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SN6A511B
LCD Controller with Voice/Dual Tone Melody
INTRODUCTION
SN6A511B is a series of single chip voice/dual tone melody synthesizer IC with 16*64/8*64 LCD direct drive capability which contains two 4-bit I/O ports, two optional 4-bit output ports and a tiny controller. By programming through the tiny controller, user's application including LCD display, section combination, trigger modes, output status, voice/melody playing and other logic functions and then be easily implemented.
FEATURES
Single power supply 2.4V - 5.1V Built in a tiny controller Two 4-bit I/O ports, two optional 4-bit output ports are provided 256*4 bits RAM for programming usage are provided 256*4 bits RAM for LCD display usage are provided Maximum 384k*10 program ROM is provided Readable ROM code data Built in direct 16*64/8*64 LCD driver LCD 1/4 bias, 1/5 bias; 1/8 duty, 1/16 duty Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-40kHz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided which SN6A511B series can play speech and dual tone melody simultaneously Fixed current D/A output is provided to drive external connected transistor for sound output PWM output is provided to drive external connected piezo buzzer
Ver1.1
1
February 15, 2006
SN6A511B
LCD Controller with Voice/Dual Tone Melody
PIN ASSIGNMENT
Symbol SEG1 ~ SEG56 SEG57/P53 ~ SEG60/P50 SEG61/P43 ~ SEG64/P40 COM1-COM16 GND P33-P30 P23-P20 BU1,BU2 VO RST OSC TEST XIN,XOUT VDD VLCDR VLC1-VLC4 WSUB I I O I I/O I/O O O I I I O I/O O O Function Description Segment1~ 56 for LCD driver Optional to be Segment57 ~ 60 or P53-P50 Seg57-60: segment57 ~ 60 for LCD driver. P53-P50: bit3-bit0 for output port 5. Optional to be segment61 ~ 64 or P43-P40 SEG61-64: segment61 ~ 64 for LCD driver. P43-P40: Bit3-bit0 for output port 4. Com1-Com16 for LCD driver. Negative power supply. Bit 3 to bit 0 of IO port 3. Bit 3 to bit 0 of IO port 2. Buzzer driver outputs. D/A current output. Reset pin with internal pull low. Oscillation component connection pin. For testing only. 32768 Hz Crystal connection pins. Positive power supply. LCD voltage adjusting pin. LCD voltage bias connection pins. Well substrate of chip. Connected to the highest voltage of chip (VDD or VLCDR).
Ver1.1
2
February 15, 2006
SN6A511B
LCD Controller with Voice/Dual Tone Melody
ABSOLUTELY MAXIMUM RATING
Items Supply Voltage Input Voltage Operating Temperature Storage Temperature TSTG -55.0 125.0
o
Symbol VDD-V VIN TOP
Min -0.3 VSS-0.3 -20.0
Max 6.0 VDD+0.3 70.0
Unit. V V
o
C C
ELECTRICAL CHARACTERISTIC
Item Sym. Min. Operating VDD 2.4 Voltage Standby current 1 ISBY1 Operating current Input current of ,P2,P3 Drive current of P2,P3,P4,P5 large Sink current of P2,P3,P4,P5 Input Pull Low Resistor D/A output current Buzzer drive current Buzzer sink current Oscillation resistor Oscillation Freq. IOPR IIH IOD IOS1 R IVO IBZD IBZS R FOSC 2 3 Typ. 3.0 2.5 450 3.0 1 3.0 15 15 330 1.0 10.0 Max. 5.1 3.5 Unit Condition V uA uA uA mA mA VDD=3V,both system clk and 32768 Hz clk are off VDD=3V, no load VDD=3V,VIN=3V VDD=3V,VO=2.6V VDD=3V,VO=0.4V
M VDD=3V mA mA mA VDD=3V,VO=0.7V VDD=3V,VO=1.5V VDD=3V,VO=1.5V
K VDD=3V MHZ VDD=3V
Ver1.1
3
February 15, 2006
SN6A511B
LCD Controller with Voice/Dual Tone Melody
BONDING PAD
SN6A511B
Note: The substrate MUST be connected to Vss in PCB layout.
Ver1.1
4
February 15, 2006
SN6A511B
LCD Controller with Voice/Dual Tone Melody
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Ver1.1
5
February 15, 2006

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