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PDF EM78P343N Data sheet ( Hoja de datos )
| Número de pieza | EM78P343N | |
| Descripción | (EM78P341N - EM78P343N) 8-Bit Microprocessor | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EM78P343N (archivo pdf) en la parte inferior de esta página. Total 70 Páginas | ||
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EM78P341/2/3N
8-Bit Microprocessor
with OTP ROM
Product
Specificationwww.DataSheet.net/
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
December 2006
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
Contents
6.10 Comparator..................................................................................................... 68
6.10.1 External Reference Signal................................................................................ 69
6.10.2 Comparator Outputs ......................................................................................... 69
6.10.3 Using a Comparator as an Operation Amplifier ................................................ 70
6.10.4 Comparator Interrupt ........................................................................................ 70
6.10.5 Wake-up from Sleep Mode ............................................................................... 70
6.11 Oscillator ........................................................................................................ 71
6.11.1 Oscillator Modes ............................................................................................... 71
6.11.2 Crystal Oscillator/Ceramic Resonators (Crystal) .............................................. 71
6.11.3 External RC Oscillator Mode ............................................................................ 73
6.11.4 Internal RC Oscillator Mode ............................................................................. 74
6.12 Power-on Considerations................................................................................ 75
6.12.1 Programmable WDT Time-out Period .............................................................. 75
6.12.2 External Power-on Reset Circuit ...................................................................... 75
6.12.3 Residual Voltage Protection ............................................................................. 76
6.13 Code Option ................................................................................................... 77
6.13.1 Code Option Register (Word 0) ........................................................................ 77
6.13.2 Code Option Register (Word 1) ........................................................................ 78
6.13.3 Customer ID Register (Word 2) ........................................................................ 79
6.14 Low Voltage Detector...................................................................................... 80
6.14.1 Low Voltage Reset............................................................................................ 80
6.14.2 Low Voltage Detector...............w.ww.D.ataSh.eet.ne.t/ ..................................................................... 80
6.14.2.1 IOCD1 (LVD Control Register) .......................................................... 80
6.14.2.2 RE (Interrupt Status 2 & Wake-up Control Register) ......................... 81
6.14.3 Programming Process ...................................................................................... 82
6.15 Instruction Set................................................................................................. 83
7 Absolute Maximum Ratings.................................................................................. 85
8 DC Electrical Characteristics................................................................................ 85
8.1 AD Converter Characteristics ......................................................................... 86
8.2 Comparator (OP) Characteristics.................................................................... 87
8.3 Device Characteristics .................................................................................... 88
9 AC Electrical Characteristic.................................................................................. 89
10 Timing Diagrams ................................................................................................... 90
Product Specification (V1.0) 12.01.2006
•v
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
EM78P341N/342N/343N
8-Bit Microprocessor with OTP ROM
5.2 EM78P342NP/M
Symbol
Pin No. Type
P50~P55
1~3, 16~18 I/O
P60~67
6~13
I/O
P70~P71
15, 4
/INT
ADC0~ADC6
VREF
CIN-
CIN+
CO
6
1, 2, 13
15~18
3
12
11
10
I/O
I
I
I
I
I
O
/RESET
4I
TCC, TCCA
TCCB, TCCC
3, 7
8~9
OSCI
16
I
I
OSCO
15 O
IR OUT
VDD
VSS
13 O
14 –
5–
Function
6-bit General purpose input/output pins
Pull-high/pull-down
Wake up from sleep mode when the pin status changes
Default value at power-on reset
8-bit General purpose input/output pins
Open drain
Default value at power-on reset
2-bit General purpose input/output pins
Default value at power-on reset
External interrupt pin triggered by a falling or a rising edge.
Defined by CONT <7>
7-bit Analog-to-Digital Converter
Defined by ADCON (R9)<1:0>
External reference voltage for ADC
Defined by ADCON (R9) <7>.
“-“ : the input pin of Vin- of the comparator
“+” : the input pin of Vin+ of the comparator
Pin CO is the comparator output
Defined by IOC80 <4:3>
General-purpose Input only
If it remains at logic low, the device will be reset
Wake-up fromwww.DataSheet.net/ sleep mode when pin status changes
Voltage on /RESET must not exceed Vdd during normal mode
External Counter input
TCC defined by CONT<5>
TCCA defined by IOC80 <1>
TCCB defined by IOC90 <5>
TCCC defined by IOC90 <1>
Crystal type: Crystal input terminal or external clock input pin
RC type: RC oscillator input pin
Crystal type: Output terminal for crystal oscillator or external
clock input pin.
RC type: Clock output with a duration of one instruction cycle
time. The prescaler is determined by the
CONT register.
External clock signal input.
IR mode output pin.
Capable of driving and sinking current = 20mA when the output
voltage drops to 0.7Vdd at rise to 0.3Vdd at
Vdd = 5V
Power supply
Ground
Product Specification (V1.0) 12.01.2006
(This specification is subject to change without further notice)
•5
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
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