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EM78P154N
Product Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
Trademark Acknowledgments: IBM is a registered trademark and PS/2 is a trademark of IBM. Windows is a trademark of Microsoft Corporation. ELAN and ELAN logo are trademarks of ELAN Microelectronics Corporation.
2006 by ELAN Microelectronics Corporation All Rights Reserved
Copyright Printed in Taiwan
The contents of this specification are subject to change without further notice. ELAN Microelectronics assumes no responsibility concerning the accuracy, adequacy, or completeness of this specification. ELAN Microelectronics makes no commitment to update, or to keep current the information and material contained in this specification. Such information and material may change to conform to each confirmed order. In no event shall ELAN Microelectronics be made responsible for any claims attributed to errors, omissions, or other inaccuracies in the information or material contained in this specification. ELAN Microelectronics shall not be liable for direct, indirect, special incidental, or consequential damages arising from the use of such information or material. The software (if any) described in this specification is furnished under a license or nondisclosure agreement, and may be used or copied only in accordance with the terms of such agreement. ELAN Microelectronics products are not intended for use in life support appliances, devices, or systems. Use of ELAN Microelectronics product in such applications is not supported and is prohibited. NO PART OF THIS SPECIFICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS WITHOUT THE EXPRESSED WRITTEN PERMISSION OF ELAN MICROELECTRONICS.
Headquarters: No. 12, Innovation Road 1 Hsinchu Science Park Hsinchu, Taiwan 30077 Tel: +886 3 563-9977 Fax: +886 3 563-9966 http://www.emc.com.tw
Hong Kong: Elan (HK) Microelectronics Corporation, Ltd. Rm. 1005B, 10/F Empire Centre 68 Mody Road, Tsimshatsui Kowloon , HONG KONG Tel: +852 2723-3376 Fax: +852 2723-7780 elanhk@emc.com.hk Shenzhen: Elan Microelectronics Shenzhen, Ltd. SSMEC Bldg., 3F, Gaoxin S. Ave. Shenzhen Hi-Tech Industrial Park Shenzhen, Guandong, CHINA Tel: +86 755 2601-0565 Fax: +86 755 2601-0500
USA: Elan Information Technology Group (USA) 1821 Saratoga Ave., Suite 250 Saratoga, CA 95070 USA Tel: +1 408 366-8225 Fax: +1 408 366-8220
Europe: Elan Microelectronics Corp. (Europe) Siewerdtstrasse 105 8050 Zurich, SWITZERLAND Tel: +41 43 299-4060 Fax: +41 43 299-4079 http://www.elan-europe.com
Shanghai: Elan Microelectronics Shanghai, Ltd. 23/Bldg. #115 Lane 572, Bibo Road Zhangjiang Hi-Tech Park Shanghai, CHINA Tel: +86 21 5080-3866 Fax: +86 21 5080-4600
Contents
1 2 3 4
General Description .................................................................................................. 1 Features ..................................................................................................................... 1 Pin Assignments and Descriptions ......................................................................... 3 Function Description ................................................................................................ 4
Product Specification (V1.0) 03.10.2006
iii
Contents
5 6
Absolute Maximum Ratings ................................................................................... 36 Electrical Characteristics ....................................................................................... 36
APPENDIX
A B C Package Types......................................................................................................... 38 Package Information ............................................................................................... 38 Quality Assurance and Reliability ......................................................................... 40
Specification Revision History
Doc. Version Revision Description Date
iv
Product Specification (V1.0) 03.10.2006
EM78P154N 8-Bit Microcontroller with OTP ROM
1
General Description
1.1
Comparison between EM78P154N, EM78P159N, and EM78P157N
AN-001
EM78P154N/159N introduction and comparison with EM78P157N
2
Features
:
: : : : :
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
1
EM78P154N 8-Bit Microcontrollerwith OTP ROM
:
:
: : :
2
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
3
Pin Assignments and Descriptions
P52 P53 P54/TCC /RESET Vss P60/INT P61
1 2 3 4 5 6 7 EM78P154NP EM78P154NM
14 13 12 11 10 9 8
P51 P50 P56/OSCI P55/OSCO VDD P67 P66
Figure3-1a EM78P154NP/M Pin Assignments
3.1
Symbol
EM78P154NP and EM78P154NM Pin Description
Pin No. Type Function
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
3
EM78P154N 8-Bit Microcontrollerwith OTP ROM
4
Function Description
OSCO /RESET OSCI
WDT timer Oscillator/Timing
Control
TCC
/INT
Prescaler IOCA
ROM
R2
Stack
RAM
Interrupt Controller
Instruction Register
R3
ALU
R4
R1(TCC)
Instruction Decoder
ACC
DATA & CONTROL BUS
P60//INT P61 P50 P51 P52 P53 P54 P55 P56
IOC6 R6
I/O PORT 6
P62 P63 P64 P65
IOC5 R5
P66 P67
I/O PORT 5
Figure 4-1 Function Block Diagram
4.1
Operational Registers
4.1.1 R0 (Indirect Addressing Register)
4.1.2 R1 (Time Clock /Counter)
4
Product Specification (V1.0) 03.10.2006
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EM78P154N 8-Bit Microcontroller with OTP ROM
4.1.3 R2 (Program Counter) & Stack
On-chip Program Memory
Figure 4-2 Program Counter Organization
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
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EM78P154N 8-Bit Microcontrollerwith OTP ROM
Address
R PAGE Registers
IOC PAGE Registers
4.1.4 R3 (Status Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (C): Bit 1 (DC): Bit 2 (Z):
Bit 3 (P):
Bit 4 (T):
Bit 5 ~7 (GP0 ~ 2):
6
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.1.5 R4 (RAM Select Register)
Bits 0 ~ 5: Bits 6 ~ 7: :
4.1.6 R5 ~ R6 (Port 5 ~ Port 6)
R5 R6 Port 5
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 7: Port 6
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bits 2 ~ 5:
4.1.7 RD (Manual Calibration Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
EM78P154N ICE159N Simulator, C3 ~ C0
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
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EM78P154N 8-Bit Microcontrollerwith OTP ROM
Bit 3 ~ Bit 0 (C3 ~ C0):
C3 C2 C1 C0 Cycle Time (ns) Frequency (MHz)
NOTES: 1. Frequency values shown are theoretical and taken from an instance of a high frequency mode. Hence they are shown for reference only. Definite values will depend on the actual process. 2. Similar way of calculation is also applicable to Low Frequency mode.
Bits 4 ~ 7:
4.1.8 RE (Wake Up Control Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bits 0: Bit 1 (ICWE): 0 1 Bits 2 ~ 7:
8
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.1.9
Bit 7
RF (Interrupt Status Register)
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (TCIF): Bit 1 (ICIF):
Bit 2 (EXIF): Bits 3 ~ 7:
NOTE The result of reading RF is the "logic AND" of RF and IOCF.
4.1.10 R10 ~ R3F
4.2 Special Purpose Registers
4.2.1 A (Accumulator)
4.2.2 CONT (Control Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (PSR0) ~ Bit 2 (PSR2):
PSR2 PSR1 PSR0 TCC Rate
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
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EM78P154N 8-Bit Microcontrollerwith OTP ROM
Bit 3 (PSRE): 0 1 Bit 4 (TE): 0 1 Bit 5 (TS): 0 1 Bit 6 (/INT): 0 1 Bit 7:
4.2.3 IOC5 ~ IOC6 (I/O Port Control Register)
Port 5
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 7 Port 6
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bits 2 ~ 5
4.2.4 IOCA (Prescaler Counter Register)
10
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.2.5 IOCB (Pull-Down Control Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (/PD0): 0 1 Bit 1 (/PD1): Bit 2 (/PD2): Bit 3 (/PD3): Bit 4 (/PD4): Bit 5 (/PD5): Bits 6 ~ 7:
4.2.6 IOCC (Open-Drain Control Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (OD0): 0 1 Bit 1 (OD1): Bit 6 (OD6): Bit 7 (OD7): Bits 2~5:
4.2.7 IOCD (Pull-High Control Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (/PH0): 0 1 Bit 1 (/PH1): Bit 6 (/PH6):
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
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EM78P154N 8-Bit Microcontrollerwith OTP ROM
Bit 7 (/PH7): Bits 2~5:
4.2.8 IOCE (WDT Control Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 7 (WDTE): 0 1
Bit 6 (EIS): 0 1
Bit 5: Bit 4 (ROC):
Bit 3 (PSWE): 0 1 Bit 2 (PSW2) ~ Bit 0 (PSW0):
PSW2 PSW1 PSW0 WDT Rate
:
12
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.2.9 IOCF (Interrupt Mask Register)
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 (TCIE): 0 1 Bit 1 (ICIE): 0 1 Bit 2 (EXIE): 0 1 Bits 3~7:
4.3 TCC/WDT & Prescaler
1
1
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
13
EM78P154N 8-Bit Microcontrollerwith OTP ROM
4.4 I/O Ports
PC RD
Q _ Q
P R C L
D C LK PC W R
PO R T
Q _ Q
P R C L
D C LK PD W R
IO D
PD RD 0 1 M U X
Figure 4-3 I/O Port and I/O Control Register for Port 5 Circuit
NOTE Pull-down is not shown in the figure.
14
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
PCRD
Q _ Q
PD R CLK C L
PCW R
P 6 0 /I N T PORT B it 6 o f I O C E D P R CLK C L Q _ Q 0 1 M U X PDRD Q _ Q P RD CLK C L PDW R
IO D
T 10
D
P R CLK C L
Q _ Q
IN T
Figure 4-4a I/O Port and I/O Control Register for P60 (/INT) Circuit
NOTE Pull-high (down) and Open-drain are not shown in the figure.
PCRD
Q _ Q
P RD CLK C L
PCWR
P61~P67 PORT
Q _ Q 0 1
P RD CLK C L
IOD PDWR
M U X PDRD TIN
D
P R CLK C L
Q _ Q
Figure 4-4b I/O Port and I/O Control Register for P61~P67 Circuit
NOTE Pull-high (down) and Open-drain are not shown in the figure.
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
15
EM78P154N 8-Bit Microcontrollerwith OTP ROM
IOCE.1
D
P R
Q Interrupt
CLK
_ CQ L RE.1 ENI Instruction
T10 T11
P DR
CLK
Q P QRD
CLK
_ CQ L
_ QC L
T17
DISI Instruction Interrupt (Wake-up from SLEEP)
/SLEP
Next Instruction (Wake-up from SLEEP)
Figure 4-4c I/O Port 6 with Input Change Interrupt/Wake-up Block Diagram
4.4.1 Usage of Port 6 Input Change Wake-up/Interrupt Function
Usage of Port 6 Input Status Changed Wake-up/Interrupt
4. Enable wake-up bit (Set RE ICWE =1)
4. Enable wake-up bit (Set RE ICWE =1) 5. Enable interrupt (Set IOCF ICIE =1)
Enable interrupt (Set IOCF0 ICIE =1)
16
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
PCRD
VCC
ROC
Q Weakly Pull-up Q
P R C L
D CLK PCWR
PORT
Q
P R C L
D PDWR
IOD
Q
PDRD 0
Rex*
1
M U X
*The Rex is 430K ohm external resistor
Figure 4-5 I/O Port with R-option (P50,P51) Circuit
4.5 RESET and Wake-up
4.5.1 RESET
2
:
2
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
17
EM78P154N 8-Bit Microcontrollerwith OTP ROM
[a]
[b] Interrupt
18
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
MOV A, @xx000110b CONTW CLR R1 MOV A, @xxxx1110b CONTW WDTC MOV A, @0xxxxxxxb IOW RE MOV R6, R6 BS RE,1 MOV A, @00000x1xb IOW RF ENI (or DISI) SLEP NOP
; Select internal TCC clock
; Clear TCC and prescaler ; Select WDT prescaler
; Clear WDT and prescaler ;Disable WDT
; Read Port 6 ; Enable wake up control bit ; Enable Port 6 input change interrupt
; Enable (or disable) global interrupt ;Sleep
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
19
EM78P154N 8-Bit Microcontrollerwith OTP ROM
4.5.2 The Summary of the Initialized Values for Registers
Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
*
*
*
*
*
*
*
*
** **
** **
20
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
* ump to address 0x08, or execute the instruction next to the "SLEP" instruction. ** Refer to tables provided under next section (Section 4.5.3).
Legend: X: U: P:
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
21
EM78P154N 8-Bit Microcontrollerwith OTP ROM
4.5.3 The Status of RST, T, and P of STATUS Register
The Values of RST, T, and P after RESET
Reset Type T P
*
* *
* P: Previous status before reset
The Status of T and P Being Affected by Events
Event T P
*
* P: Previous status before reset
VDD
Oscillator
D CLK CLR
Q
CLK
Power-on Reset
Voltage Detector
WDTE
WDT
WDT Timeout
Setup Time
RESET
/RESET
Figure 4-6 Controller Reset Block Diagram 22 Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.6 Interrupt
:
VCC
D /IR Q n CLK
P R C L
Q _ Q RFRD
IR Q n IN T IR Q m E N I /D IS I
RF
Q _ Q
P R C L
D CLK IO C F W R
IO D
IO C F /R E S E T
IO C F R D
RFW R
Figure 4-7 Interrupt Input Circuit
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
23
EM78P154N 8-Bit Microcontrollerwith OTP ROM
4.7 Oscillator
4.7.1 Oscillator Modes
Oscillator Modes Defined by OSC
Mode OSC2 OSC1 OSC0
(default)
NOTE The transient point of system frequency between HXT and LXY is around 400 KHz.
Summary of Maximum Operating Speeds
Conditions VDD Max Freq. (MHz)
24
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.7.2 Crystal Oscillator/Ceramic Resonators (XTAL)
Figure 4-8a External Clock Input Circuit
Figure 4-8b Crystal/Resonator Circuit
Capacitor Selection Guide for Crystal Oscillator or Ceramic Resonator
Oscillator Type Frequency Mode Frequency C1(pF) C2(pF)
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
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EM78P154N 8-Bit Microcontrollerwith OTP ROM
NOTE The values of capacitors C1 & C2 are for reference only.
4.7.3 External RC Oscillator Mode
Vcc Rext
Cext
Figure 4-9 External RC Oscillator Mode Circuit
26
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
RC Oscillator Frequencies
Cext Rext Average Fosc 5V, 25 C Average Fosc 3V, 25 C
NOTE 1. Measured on DIP packages. 2. The values are for design reference only. 3. The frequency drift is about 30%
4.7.4 Internal RC Oscillator Mode
Internal RC Drift Rate (Ta=25
Internal RC Frequency
, VDD=3.9V 5%, VSS=0V)
Drift Rate
Temperature (-40 ~ +85 )
Voltage (2.3V ~ 5.5V)
Process
Total
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
27
EM78P154N 8-Bit Microcontrollerwith OTP ROM
Calibration Selection for Internal RC Mode
C3 C2 C1 C0 Cycle Time (ns) Frequency (MHz)
4.8 CODE Option Register
Code Option Register and Customer ID Register Arrangement Distribution:
Word 0 Word 1 Word 2
4.8.1 Code Option Register (Word 0)
WORD 0 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit 0 ~ Bit 2 (PR0 ~ PR2): :
PR2 PR1 PR0 Protect
28
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
Bit 3 (HLP): 0 1 Bit 4 ~ Bit 6 (OSC0 ~ OSC2):
Mode OSC2 OSC1 OSC0
(default)
NOTE The transient point of system frequency between HXT and LXY is around 400 KHz.
Bit 7 (ENWDTB): 0 1 Bit 8 (CLKS0):
Word 0 (default) CLK0
Instruction Set Bit 9 ~ Bit 12:
4.8.2 Customer ID Register (Word 1)
WORD 0 Bit12 Bit11 Bit10 Bit9 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Bit 0 ~ Bit 1 ( RCM0 ~ RCM1):
RCM 1 RCM 0
Frequency (MHz)
Bit 2 ~ Bit 5:
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
29
EM78P154N 8-Bit Microcontrollerwith OTP ROM
Bit 6 (CYES): 0 1 Bit 7 ~ Bit 10: Bits 11 (RCOUT): 0 1 Bit 12:
4.8.3 Customer ID Register (Word 2)
WORD 0 Bit12 Bit11 Bit10 Bit9 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Bit 0 ~ Bit 12:
4.9 Power-On Considerations
4.10 External Power-On Reset Circuit
/
R D
Rin
C
Figure 4-10 External Power-Up Reset Circuit
30
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.11 Residue-Voltage Protection
Figure 4-11a Residue Voltage Protection Circuit (1)
Vdd EM78P154N Q1 RESET 40K R2 R1
Vdd
Figure 4-11b Residue Voltage Protection Circuit (2)
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
31
EM78P154N 8-Bit Microcontrollerwith OTP ROM
4.12 Instruction Set
: A B
:
: R
b K
32
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
Instruction Binary
0 0000 0000 0000 0 0000 0000 0001 0 0000 0000 0010 0 0000 0000 0011 0 0000 0000 0100 0 0000 0000 rrrr 0 0000 0001 0000 0 0000 0001 0001 0 0000 0001 0010 0 0000 0001 0011 0 0000 0001 0100 0 0000 0001 rrrr 0 0000 01rr rrrr 0 0000 1000 0000 0 0000 11rr rrrr 0 0001 00rr rrrr 0 0001 01rr rrrr 0 0001 10rr rrrr 0 0001 11rr rrrr 0 0010 00rr rrrr 0 0010 01rr rrrr 0 0010 10rr rrrr 0 0010 11rr rrrr 0 0011 00rr rrrr 0 0011 01rr rrrr 0 0011 10rr rrrr 0 0011 11rr rrrr 0 0100 00rr rrrr 0 0100 01rr rrrr 0 0100 10rr rrrr 0 0100 11rr rrrr 0 0101 00rr rrrr 0 0101 01rr rrrr 0 0101 10rr rrrr 0 0101 11rr rrrr 0 0110 00rr rrrr 0 0110 01rr rrrr
Hex
Mnemonic
Operation
Status Affected
Note1
Note1
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
33
EM78P154N 8-Bit Microcontrollerwith OTP ROM
Instruction Binary
0 0110 10rr rrrr 0 0110 11rr rrrr 0 0111 00rr rrrr 0 0111 01rr rrrr 0 0111 10rr rrrr 0 0111 11rr rrrr 0 100b bbrr rrrr 0 101b bbrr rrrr 0 110b bbrr rrrr 0 111b bbrr rrrr 1 00kk kkkk kkkk 1 01kk kkkk kkkk 1 1000 kkkk kkkk 1 1001 kkkk kkkk 1 1010 kkkk kkkk 1 1011 kkkk kkkk 1 1100 kkkk kkkk 1 1101 kkkk kkkk 1 1110 0000 0001 1 1111 kkkk kkkk Note 1: Note 2: Note 3:
Hex
Mnemonic
Operation
Status Affected
Note2 Note3
34
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
4.13 Timing Diagrams
AC Test Input/Output Waveform
VDD-0.5V 0.75VDD
TEST POINTS
0.75VDD 0.25VDD
0.25VDD GND+0.5V
AC Testing : Input is driven at VDD-0.5V for logic "1",and GND+0.5V for logic "0".Timing measurements are made at 0.75VDD for logic "1",and 0.25VDD for logic "0".
RESET Timing (CLK="0")
NOP
Instruction 1 Executed
CLK
/RESET
Tdrh
TCC Input Timing (CLKS="0")
Tins CLK
TCC
Ttcc
Figure 4-12 EM78P154N Timing Diagrams
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
35
EM78P154N 8-Bit Microcontrollerwith OTP ROM
5
Absolute Maximum Ratings
EM78P154N
Items Rating
6
Electrical Characteristics
6.1 DC Electrical Characteristic
(Ta=25 C, VDD=5V 5%, VSS=0V)
Symbol Parameter Condition Min Typ Max Unit
36
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM Symbol Parameter Condition Min Typ Max Unit
6.2 AC Electrical Characteristic
(Ta=25 C, VDD=5V 5%, VSS=0V)
Symbol Parameter Conditions Min Typ Max Unit
*
*
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
37
EM78P154N 8-Bit Microcontrollerwith OTP ROM
APPENDIX A Package Types
OTP MCU Package Type Pin Count Package Size
B Package Information
Figure B-1a EM78P154N 14-Lead PDIP Package Type
38
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
Figure B-1b EM78P154N 14-Lead SOP Package Type
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
39
EM78P154N 8-Bit Microcontrollerwith OTP ROM
C Quality Assurance and Reliability
C.1 Reliability Test
Test Category Test Conditions Remarks
: : : :
40
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
EM78P154N 8-Bit Microcontroller with OTP ROM
C.2 Power-On Reset and Vdd Voltage Drop/Rise Timing Test
et
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
* ** * Tvd is the period of Vdd voltage lower than POR voltage. ** Tvr is the period of Vdd voltage higher than 5.5V.
Figure C-1 EM78P154N Power-On Reset and Vdd Voltage Drop/Rise Timing Test Timing Diagram
C.3 Address Trap Detect
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)
41
EM78P154N 8-Bit Microcontrollerwith OTP ROM
42
Product Specification (V1.0) 03.10.2006
(This specification is subject to change without further notice)

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