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Display Elektronik GmbH
LCD MODULE
DEM 16216 SYH-LY
Product specification
Version : 1
08.04.2003
GENERAL SPECIFICATION MODULE NO. :
CUSTOMER P/N
VERSION NO. 0 1
DEM 16216 SYH-LY
CHANGE DESCRIPTION ORIGINAL VERSION METAL FRAME CHANGED DATE 2001/12/06 2001/12/12
PREPARED BY: APPROVED BY:
HZJ MH
DATE: 2001/12/12 DATE: 2001/04/08
DEM 16216 SYH-LY
Product Specification
CONTENTS
1. FUNCTIONS & FEATURES-------------------------------------------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS ----------------------------------------------------------------------------------------- 2 3. BLOCK DIAGRAM ------------------------------------------------------------------------------------------------------------- 2 4. EXTERNAL DIMENSIONS --------------------------------------------------------------------------------------------------- 3 5. PIN ASSIGNMENT-------------------------------------------------------------------------------------------------------------- 3 6.1 PCB DRAWING AND DESCRIPTION------------------------------------------------------------------------------------ 4 6.2 EXAMPLE APPLICATION -------------------------------------------------------------------------------------------------- 5 6.3 THE MODULE NO. IS PRINTED ON THE PCB----------------------------------------------------------------------- 5 7. BACKLIGHT & SWITCH------------------------------------------------------------------------------------------------------ 6 8. DISPLAY DATA RAM (DDRAM)------------------------------------------------------------------------------------------- 6 9. INSTRUCTION DESCRIPTION---------------------------------------------------------------------------------------------- 7 10. INTERFACE WITH MPU IN BUS MODE ------------------------------------------------------------------------------- 11 1) INTERFACE WITH 8-BIT MPU -------------------------------------------------------------------------------------- 11 2) INTERFACE WITH 4-BIT MPU -------------------------------------------------------------------------------------- 11 11. INITIALIZING BY INSTRUCTION --------------------------------------------------------------------------------------- 12 11-1 8-BIT INTERFACE MODE --------------------------------------------------------------------------------------------- 12 11-2 4-BIT INTERFACE MODE --------------------------------------------------------------------------------------------- 13 12.MAXIMUM ABSOLUTE POWER RATINGS ---------------------------------------------------------------------------- 14 13.ELECTRICAL CHARACTERISTICS--------------------------------------------------------------------------------------- 14 13-1-1 DC CHARACTERISTICS--------------------------------------------------------------------------------------------- 14 13-2-1 AC CHARACTERISTICS --------------------------------------------------------------------------------------------- 16 13-2-2 WRITE MODE----------------------------------------------------------------------------------------------------------- 17 13-2-3 READ MODE ------------------------------------------------------------------------------------------------------------ 17 14.CHARACTER GENERATOR ROM (KS0070B-00)---------------------------------------------------------------------- 18 15. FRAME FREQUENCY -------------------------------------------------------------------------------------------------------------19 16. LCD MODULES HANDLING PRECAUTIONS ------------------------------------------------------------------------ 20 17. OTHERS ------------------------------------------------------------------------------------------------------------------------- 20
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DEM 16216 SYH-LY
1.FUNCTIONS & FEATURES
l DEM 16216-Series LCD type:
MODULE TYPE DEM 16216 SYH-LY l l l l l l l LCD TYPE STN Yellow Green
Product Specification
LCD-MODE Transflective Positive Mode
Viewing Direction Driving Scheme Power Supply Voltage Backlight Color VLCD (adjustable for best contrast) Display Format Internal Memory
l Interface l l l l l Character Pitch Character Size Character Font Dot Size Dot Pitch
: 6 O'clock : 1/16 Duty Cycle, 1/5 Bias : 2.7 to 5.5V (typ. 5V) : Yellow Green (lightbox) : 4.5V (typ.) : 16 x 2 Characters (5 x 8 dots, Formal : 192 Kinds ) : CGROM (8,320 bits ) : CGRAM (64 x 8 bits) : DDRAM (80 x 8 bits for 80 Digits) : Easy Interface with a 4-bit or 8-bit MPU : 3.55 (W) x 5.95 (H) mm : 2.95 (W) x 5.55 (H) mm : 5 x 8 dots : 0.55 (W) x 0.65 (H) mm : 0.60 (W) x 0.70 (H) mm
2. MECHANICAL SPECIFICATIONS
3. BLOCK DIAGRAM
DB0~DB7 E R/W RS V0 VDD VSS
LCD Controller LSI KS0070B
COM1~COM16
LCD PANEL 2 Line x 16 Characters
SEG1~SEG80
A K
BACKLIGHT
Figure 1.0
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DEM 16216 SYH-LY
4. EXTERNAL DIMENSIONS
Product Specification
5. PIN ASSIGNMENT
Pin No.
1 2 3 4
Figure 2.0 External Dimensions For DEM 16216 SYH-LY
Symbol
VSS VDD V0 RS
Function
Ground terminal of module. Power terminal of module 2.7V to 5.5V. Power Supply for liquid crystal drive. Register select RS = 0 (Instruction register) RS = 1 (Data register) Read /Write R/W = 1 (Read) R/W = 0 (Write) Read/Write Enable Signal
5 6 7 8 9 10 11 12 13 14 15 16
R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LED - (K) LED + (A)
Bi-directional data bus, data transfer is performed once, thru DB0 to DB7, in the case of interface data. Length is 8-bits; and twice, thru DB4 to DB7 in the case of interface data length is 4bits. Upper four bits first then lower four bits.
Please also refer to 6.1 PCB drawing and description. Please also refer to 6.1 PCB drawing and description.
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DEM 16216 SYH-LY
6.1 PCB DRAWING AND DESCRIPTION
Product Specification
DESCRIPTION:
6-1-1.The polarity of the pin 15 and the pin 16: symbol J2,J4 J3,J5 symbol state Each solder-bridge Each solder-bridge
Figure 3.0
J3,J5 Each open ------
J2, J4 -----Each open
LED Polarity 15 Pin 16 Pin Anode Cathode Cathode Anode
6-1-2. The metal-bezel should be on ground when the J1 is solder-Bridge. 6-1-3.The LED resistor should be bridged when the J6 is solder-Bridge. 6-1-4.The R7 and the R8 are the LED resistor. (R7=10 Ohm, R8=OPEN)
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DEM 16216 SYH-LY
6.2 Example application
6-2-1. The LED resistor should be bridged as following. J6 R8
Product Specification
R7 6-2-2. The 15 pin is the anode and the 16 pin is the cathode as following. J4 J3 J2
J5 6-2-3.The 15 pin is the cathode and the 16 pin is the anode as following. J4 J3 J2
J5 6-2-4. The metal-bezel is on ground as following. J1
6.3 The module No. is printed on the PCB.
Figure 4.0
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DEM 16216 SYH-LY
7. BACKLIGHT & SWITCH (Ta = -20 ~ +70C)
Item Backlight Voltage Backlight Current Symbol V I Standard Value 5.0 ~ 97
Product Specification
Unit V mA Applicable Terminal LED+ / LED-
A
12 x 2 dices
A
K
Figure 5.0 Backlight for DEM 16216 SYH-LY
K
8. DISPLAY DATA RAM (DDRAM)
1
FIRST LINE SECOND LINE
2 0 1 4 1
3 02 42
4 03 43
5 04 44
6 05 45
7 06 46
8 07 47
9 08 48
00 40
1 0 09 49
11 0A 4A
12 0B 4B
13 0C 4C
14 0D 4D
15 0E 4E
16 0F 4F
DISPLAY POSITION DDRAM ADDRESS
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DEM 16216 SYH-LY
9.INSTRUCTION DESCRIPTION Outline
Product Specification
To overcome the speed difference between the internal clock of KS0070B and the MPU clock, KS0070B performs internal operations by storing control information to IR or DR. The internal operation is determined according to the signal from MPU, composed of read/write and data bus (refer to table 5.) Instruction can be divided largely into four kinds: (1) KS0070B function set instructions (set display methods, set data length, etc.) (2) Address set instructions to internal RAM. (3) Data transfer instructions with internal RAM. (4) Others. The address of the internal RAM is automatically increased or decreased by 1. *NOTE: During internal operation, busy flag (DB7) is read"1". Busy flag check must be preceded by the next instruction. When you make an MPU program with checking the busy flag (DB7), it must be necessary 1/2 fosc for executing the next instruction by falling E signal after the busy flag (DB7) goes to "0". Contents 1) Clear display RS 0 R/W 0 DB7 0 DB6 0 DB5 0 DB4 0 DB3 0 DB2 0 DB1 0 DB0 1
Clear all the display data by writing "20H"(space code) to all DDRAM address, and set the DDRAM addresses to "00H" in the AC (address counter). Return cursor to original status, namely, bring the cursor to the left edge on first line of the display. Make entry mode increment (I/D="1"). 2) Return home RS 0 R/W 0 DB7 0 DB6 0 DB5 0 DB4 0 DB3 0 DB2 0 DB1 1 DB0 x
Return home is the cursor return home instruction. Set DDRAM address to "00H" in the address counter. Return cursor to its original site and return display to its original status, if shifted. Contents of DDRAM does not change. 3) Entry mode set RS 0 R/W 0 DB7 0 DB6 0 DB5 0 DB4 0 DB3 0 DB2 1 DB1 I/D DB0 SH
Set the moving direction of cursor and display. I/D: increment/decrement of DDRAM address is increased by 1. When I/D="1", cursor/blink moves to right and DDRAM address is increased by 1. When I/D="0", cursor/blink moves to left and DDRAM address is increased by 1. CGRAM operates the same as DDRAM, when reading from or writing to CGRAM. SH: shift of entire display When DDRAM is in read (CGRAM read/write) operation or SH="0", shift of entire display is not performed. If SH="1" and in DDRAM write operation, shift of entire display is performed according to I/D value (I/D="1": shift left, I/D="0": shift right).
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DEM 16216 SYH-LY
4) Display ON/OFF control RS 0 R/W 0 DB7 0 DB6 0 DB5 0 DB4 0
Product Specification
DB3 1 DB2 D DB1 C DB0 B
Control display/cursor/blink ON/OFF 1-bit register. D: Display ON/OFF control bit When D="1", entire display is turned on. When D="0', display is turned off, but display data remains in DDRAM. C: cursor or ON/OFF control bit When C="1", cursor is turned on. When C="0", cursor disappears in current display, but I/D register retains its dat. B: cursor blink ON/OFF control bit When B="1", cursor blink is on, which performs alternately between all the "1" data and display characters at the cursor position. When B="0", blink is off 5) Cursor or display shift RS 0 R/W 0 DB7 0 DB6 0 DB5 0 DB4 1 DB3 S/C DB2 R/L DB1 X DB0 X
Without writing or reading the display data, shift right/left cursor position or display. This instruction is used to correct or search display data. (refer to table 40 During 2-line mode display, cursor moves to the 2nd line after the 40st digit of the 1st line. Note tat display shift is performed simultaneously in all the lines. When displayed data is shifted repeatedly, each line shifts individually. When display shift is performed, the contents of the address counter are not changed. Table 4. shift patterns according to S/C and R/L bits S/C 0 0 1 1 R/L 0 1 0 1 operation Shift cursor to the left, AC is decreased by 1 Shift cursor to the right, AC is decreased by 1 Shift all the display to the left, cursor moves according to the display Shift all the display to the right, cursor moves according to the display
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DEM 16216 SYH-LY
6) Function set RS 0 R/W 0 DB7 0 DB6 0 DB5 0 DB4 DL
Product Specification
DB3 N DB2 F DB1 X DB0 X
DL: Interface data length control bit When DL="1", it means 8-bit bus mode with MPU. When DL="0", it means 4-bit bus mode with MPU. So to speak, DL is a signal to select 8-bit or 4-bit bus mode. When 4- bit bus mode, it needs to transfer 4-bit data in two parts. N: display line number control bit When N="0", it means 1-line display mode. When N="1", it means 2-line display mode. F: display font type control bit When F="0", 5 x 7 dots format display mode. When F="1", 5 x 10 dots format display mode. 7) Set CGRAM address RS 0 R/W 0 DB7 0 DB6 1 DB5 AC5 DB4 AC4 DB3 AC3 DB2 AC2 DB1 AC1 DB0 AC0
Set CGRAM address to AC. THIS INSTRUCTION MAKES CGRAM data available from MPU. 8) Set DDRAM address RS 0 R/W 0 DB7 1 DB6 AC6 DB5 AC5 DB4 AC4 DB3 AC3 DB2 AC2 DB1 AC1 DB0 AC0
Set DDRAM address to AC This instruction makes DDRAM data available from MPU. When in 1-line display mode (N=0), DDRAM address is from "00H" to "4FH". In 2-line display mode (N=1), DDRAM address in the 1st line is from "00H" to "27H", and DDRAM address in the 2nd line is from "40H" to "67H". 9) Read busy flab & address RS 0 R/W 0 DB7 BF DB6 AC6 DB5 AC5 DB4 AC4 DB3 AC3 DB2 AC2 DB1 AC1 DB0 AC0
This instruction shows whether KS0070B is in internal operation or not. If the resultant BF is "1", it means the internal operation is in progress and your have to wait until BF is low. Then the next instruction can be performed. In this instruction your can also read the value of the address counter. 10) Write data to RAM RS 1 R/W 0 DB7 D7 DB6 D6 DB5 D5 DB4 D4 DB3 D3 DB2 D2 DB1 D1 DB0 D0
Write binary 8-bit data to DDRAM / CGRAM The selection of RAM from DDRAM, and CGRAM, is set by the previous address set instruction: DDRAM address set, and CGRAM address set. RAM set instruction can also determine the AC direction to RAM. After write operation, the address is automatically increased/decreased by 1, according to the entry mode.
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DEM 16216 SYH-LY
11) Read data to RAM RS 1 R/W 1 DB7 D7 DB6 D6 DB5 D5 DB4 D4
Product Specification
DB3 D3 DB2 D2 DB1 D1 DB0 D0
Read binary 8-bit data from DDRAM/CGRAM. The selection of RAM is set by the previous address set instruction. If the address set instruction of RAM is not performed before this instruction, the data that is read first is invalid, because the direction of AC is not determined. If you read RAM data several times without RAM address set instruction before read operation, you can get correct RAM data. In the case of DDRAM read operation, cursor shift instruction plays the same role as DDRAM address set instruction; it also transfers RAM data to the output data register. After read operation the address counter is automatically increased/decreased by 1 according to the entry mode. After CGRAM read operation, display shift may not be executed correctly. In the case of RAM write operation, after this AC is increased/decreased by 1 like read operation. At his time, AC indicates the next address position, but your can read only the previous data by the read instruction. Table 5.instruction table Instruction Code Instruction
Clear Display Return Home Entry Mode set Display ON/OFF Control Cursor or Display shift Function set Set CGRAM address Set CGRAM address Read busy flag and address Write data to RAM Read data to RAM RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB 1 0 1 I/D C X DB0
Description
Write "20H" to DDRAM and set DDRAM address to "00H" from AC. Set DDRAM address to "00H"from AC and return cursor to its original position if shifted. Assign cursor moving direction and enable the shift of entire display. Set display (D), cursor(C), and blinking of cursor (B) on/off control bit. Set cursor moving and display shift control bit, and the direction without changing of DDRAM data. Set interface data length (DL:4bit/8-bit), numbers of display line (N:1-line/2-line, display font type (F:0...) Set CGRAM address in address counter. Set DDRAM address in address counter. Whether during internal operation or not can be known by reading BF. The contents of address counter can also be read. Write data into internal RAM (DDRAM/CGRAM). Read data into internal RAM (DDRAM/CGRAM).
Execution time (fosc= 270kHz)
1.53 ms 1.53ms 39us 39us 39us
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 1
0 0 0 1 S/C
0 0 1 D R/L
1 x SH B X
0
0
0
0
1
DL
N
F
X AC 1 AC 1 AC 1 D1 D1
X
39us
0 0
0 0
0 1
1 AC6
AC5 AC5
AC4 AC4
AC3 AC3
AC2 AC2
AC0 AC0
39us 39us
0 1 1
1 0 1
BF D7 D7
AC6 D6 D6
AC5 D5 D5
AC4 D4 D4
AC3 D3 D3
AC2 D2 D2
AC0 D0 D0
0us 43us 43us
NOTE: when you make an MPU program with checking the busy flag (DB7), it must be necessary 1/2 Fosc for executing the next instruction by falling E signal after the busy flag (DB7) goes to "0".
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DEM 16216 SYH-LY
10. INTERFACE WITH MPU IN BUS MODE
Product Specification
1) Interface with 8-bit MPU When interfacing data length are 8-bit, transfer is performed all at once through 8-ports, from DB0 to DB7. An example of the timing sequence is shown below.
RS R/W E internal Singnal DB7
Data internal Operation Busy Busy No Busy Data
instruction
Busy Flag check
Busy Flag check
Busy Flag check
instruction
Figure 6.0 Example of 8-bit bus mode timing diagram 2) Interface with 4-bit MPU When interfacing data length are 4-bit, only 4 ports, from DB4 to DB7, are used as data bus. At first, higher 4-bit (in case of 8-bit bus mode, the contents of DB4 to DB7) are transferred, and then the lower 4-bit (in case of 8-bit bus mode, the contents of DB0 to DB3) are transferred. So transfer is performed in two parts. Busy flag outputs"1"after the second transfer are ended. Example of timing sequence is shown below.
RS R/W E internal Singnal DB7
internal Operation Busy No Busy
instruction
Busy Flag check
Busy Flag Check
instruction
Figure 7.0 Example of 4-bit bus mode timing diagram
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DEM 16216 SYH-LY
11. INITIALIZING BY INSTRUCTION
11-1. 8-bit interface mode
Power on
Product Specification
Wait for more than 30ms after VDD rises to 4.5V
Condition : fosc=270khz
RS 0
Function set RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 1 1 N F X X
N
0 1 0 1
1-line mode 2-line mode 5 x 7 dots 5 x 10 dots
F
Wait for more than 39us 0 1 0 1 0 1 display off display on cursor off cursor on blink off blink on
RS 0
Display on/off control RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 1 D C B
D
C
Wait for more than 39us
B
RS 0
Display clear RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 0 1
Wait for more than 1.53ms I/D RS 0 Entry mode set RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 1 I/D SH SH Initialization end 0 1 entire shift off entire shift on 0 1 decrement mode increment mode
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DEM 16216 SYH-LY
11-2. 4-bit interface mode
Power on
Product Specification
Wait for more than 30ms after VDD rises to 4.5v
Condition : fosc=270khz
RS 0 0 0
Function set RW DB7 DB6 DB5 DB4 0 0 0 1 0 0 0 0 1 0 0 N F X X
DB3 DB2 DB1 DB0 X X X X X X X X X F X X
N F
0 1 0 1
1-line mode 2-line mode 5 x 7 dots 5 x 10 dots
Wait for more than 39us
RS 0 0
Display on/off control RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 X X X X 0 1 D C B X X X X
D C B
0
display off
1
0 1 0 1
Display on
cursor off cursor on blink off blink on
Wait for more than 39us
RS 0 0
Display clear RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 0 0 0 1 X X X X X X X X
Wait for more than 1.53ms
RS 0 0
Entry mode set RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 X X X X 0 0 1 I/D SH X X X X
I/D SH
0 1 0 1
decrement mode increment mode entire shift off entire shift on
Initialization end
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DEM 16216 SYH-LY
12. MAXIMUM ABSOLUTE POWER RATINGS
Item Power supply voltage (1) Power supply voltage (2) Input voltage Volt. For BL Operating temperature Storage temperature Symbol VDD VLCD VIN VLED1 Topr Tstg
Product Specification
Standard value -0.3 ~ +7.0 VDD-15.0 ~ VDD+0.3 -0.3 ~ VDD+0.3 4 ~ 4.5 -20 ~ +70 -25 ~ +75 Unit V V V V C C
13. ELECTRICAL CHARACTERISTICS
13-1-1 DC Characteristics (VDD = 4.5V ~ 5.5V, Ta = -25 ~ +75C) Item Operating Voltage Symbol VDD IDD1 Supply Current IDD2 Input Voltage(1) (except OSC1) Input Voltage(2) ( OSC1) Output Voltage (1) (DB0 to DB7) Output Voltage (2) (except DB0 to DB7) Voltage Drop Input Leakage Current Input Low Current Internal Clock (external Rf) External Clock LCD Driving Voltage VIL1 VIH1 VIL2 VIH2 VOL1 VOH1 VOL2 VOH2 VdCOM VdSEG IIL IIN fIC fEC Duty tR,tF VLCD ----0.3 2.2 -0.2 VDD-1.0 --2.4 -----0.9VDD ----------1 -50 190 150 45 --4.6 0.4 --------------------125 270 250 50 ----0.6 0.6 VDD 1.0 VDD 0.4 ---0.1VDD ----1 1 1 -250 350 350 55 0.2 10.0 Standard Value MIN TYP MAX 4.5 -----0.7 5.5 1.0 Test Condition
-------
Unit V
Ceramic oscillation fosc=250kHz Resistor oscillation external clock operation fosc=270kHz
---------------------------------IOL=1.2uA IOH=-0.205mA IOL=40uA IOH=-40uA
mA
V V V V V uA uA kHz kHz % us V
IO=0.1 mA VIN=0 V to VDD
VIN=0V,VDD=5V(pull up)
Rf = 91k 2% (VDD=5V)
----------
VDD-V5 (1/5,1/4 Bias)
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DEM 16216 SYH-LY
(CONTINUED)
Item Operating Voltage Symbol VDD IDD1 Supply Current IDD2 Input Voltage(1) (except OSC1) Input Voltage(2) ( OSC1) Output Voltage (1) (DB0 to DB7) Output Voltage (2) (except DB0 to DB7) Voltage Drop Input Leakage Current Input Low Current Internal Clock (external Rf) External Clock LCD Driving Voltage VIL1 VIH1 VIL2 VIH2 VOL1 VOH1 VOL2 VOH2 VdCOM VdSEG IIL IIN fIC fEC Duty tR,tF VLCD 0.7VDD --2.0 -----0.8VDD ----------1 -10 190 125 45 --3.0 ----0.3 0.7VDD 0.17 --------------------50 250 270 50 ----0.3 0.4 VDD
Product Specification
(VDD = 2.7V ~ 4.5V, Ta = -25 ~ +75C) Standard Value Test Unit Condition MIN TYP MAX 2.7 -----0.3 4.5 0.5
-------
V
Ceramic oscillation fosc=250kHz Resistor oscillation external clock operation fosc=270kHz
---------------------------------IOL=0.1mA IOH=-0.1mA IOL=40uA IOH=-40uA
mA
V V V V V uA uA kHz kHz % us V
0.2VDD VDD 0.4 ---0.2VDD ----1 1.5 1 -120 350 350 55 0.2 10.0
IO=0.1 mA VIN=0 V to VDD
VIN=0V,VDD=3V(pull up)
Rf = 75k 2% (VDD=3V)
----------
VDD-V5 (1/5,1/4 Bias)
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DEM 16216 SYH-LY
13-2-1 AC Characteristics
Mode Item
E Cycle Time E Rise/Fall Time (1) Write Mode E Pulse Width (High, Low) (refer to 13-2-2 R/W and RS Setup Time write mode ) R/W and RS Hold Time Data Setup Time Data Hold Time E Cycle Time E Rise/Fall Time (2) Read Mode E Pulse Width (High, Low) (refer to 13-2-3 R/W and RS Setup Time read mode ) R/W and RS Hold Time Data Out Delay Time Data Hold Time
Product Specification
(VDD = 4.5V ~ 5.5V, Ta = -25 ~ +75C) Unit Symbol Min Typ Max
tC tR,tF tw tsu1 tH1 tsu2 tH2 tC tR,tF tw tsu tH tD tDH 500 --220 40 10 60 10 500 --220 40 10 --20 ------------------------------25 ------------25 ------120 --ns ns
(VDD = 2.7V ~ 4.5V, Ta = -20 ~ +70C) Mode
E Cycle Time E Rise/Fall Time (3) Write Mode E Pulse Width (High, Low) (refer to 13-2-2 R/W and RS Setup Time write mode ) R/W and RS Hold Time Data Setup Time Data Hold Time E Cycle Time E Rise/Fall Time (4) Read Mode E Pulse Width (High, Low) (refer to 13-2-3 R/W and RS Setup Time read mode ) R/W and RS Hold Time Data Out Delay Time Data Hold Time
Item
Symbol Min
tC tR,tF tw tsu1 tH1 tsu2 tH2 tC tR,tF tw tsu tH tD tDH 1400 --400 60 20 140 10 1400 --450 60 20 --5
Typ
-----------------------------
Max
--25 ------------25 ------360 ---
Unit
ns
ns
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DEM 16216 SYH-LY
13-2-2 Write mode
Product Specification
Figure 8.0 13-2-3 Read mode
Figure 9.0
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DEM 16216 SYH-LY
Upper(4bit) Lowerr(4bit)
CG RAM
Product Specification
LHLL LHLH LHHL LHHH HLLL HLLH HLHL HLHH HHLL HHLH HHHL HHHH
14. CHARACTER GENERATOR ROM (KS0070B-00)
LLLL LLHL LLHH
LLLL
(1)
LLLH
(2)
LLHL
(3)
LLHH
(4)
LHLL
(5)
LHLH
(6)
LHHL
(7)
LHHH
(8)
HLLL
(1)
HLLH
(2)
HLHL
(3)
HLHH
(4)
HHLL
(5)
HHLH
(6)
HHHL
(7)
HHHH
(8)
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DEM 16216 SYH-LY
Character Code ( DDRAM data ) 0 0 0 0 x 0 0 0 0 CGRAM Address 0 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 x
Product Specification
CGRAM Data x x 0 1 1 1 1 1 1 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 1 1 1 1 0
Table 3. Relationship Between character Code (DDRAM) and Character Pattern (CGRAM) Pattern number Pattern 1
D7 D6 D5 D4 D3 D2 D1 D0 A5 A4 A3 A2 A1 A0 P7 P6 P5 P4 P3 P2 P1 P0
0
0
0
0
x
1
1
1
1
1
1
0 0 0 0 1 1 1 1
0 0 1 1 0 0 1 1
0 1 0 1 0 1 0 1
x
x
x
1 1 1 1 1 1 1
000 000 000 111
0
0 0 0 0
0 0 0 0
0 0 0 0
1 1 1 1 1 1 1
Pattern 8
0 "x": don't care
15. FRAME FREQUENCY (1/16 duty cycle )
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DEM 16216 SYH-LY
16. LCD Modules Handling Precautions
n n
Product Specification
The display panel is made of glass. Do not subject it to a mechanical shock by dropping it from a high place, etc. If the display panel is damaged and the liquid crystal substance inside it leaks out, do not get any in your mouth. If the substance come into contact with your skin or clothes promptly wash it off using soap and water. Do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary.
n n n
The polarizer covering the display surface of the LCD module is soft and easily scratched. Handle this polarize carefully. To prevent destruction of the elements by static electricity, be careful to maintain an optimum work environment. -Be sure to ground the body when handling the LCD module. -Tools required for assembly, such as soldering irons, must be properly grounded. -To reduce the amount of static electricity generated, do not conduct assembly and other work under dry conditions. -The LCD module is coated with a film to protect the display surface. Exercise care when peeling off this protective film since static electricity may be generated. Storage precautions When storing the LCD modules, avoid exposure to direct sunlight or to the light of fluorescent lamps. Keep the modules in bags designed to prevent static electricity charging under low temperature / normal humidity conditions (avoid high temperature / high humidity and low temperatures below 0C).Whenever possible, the LCD modules should be stored in the same conditions in which they were shipped from our company. Liquid crystals solidify at low temperature (below the storage temperature range) leading to defective orientation of liquid crystal or the generation of air bubbles (black or white). Air bubbles may also be generated if the module is subjected to a strong shock at a low temperature. If the LCD modules have been operating for a long time showing the same display patterns may remain on the screen as ghost images and a slight contrast irregularity may also appear. Abnormal operating status can be resumed to be normal condition by suspending use for some time. It should be noted that this phenomena does not adversely affect performance reliability. To minimize the performance degradation of the LCD modules resulting from caused by static electricity, etc. exercise care to avoid holding the following sections when handling the modules: - Exposed area of the printed circuit board - Terminal electrode sections
n
17. Others
n
n
n
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