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EM78P342NM Datasheet(PDF) 10 Page - ELAN Microelectronics Corp

Part # EM78P342NM
Description  8-Bit Microprocessor with OTP ROM
Download  102 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P342NM Datasheet(HTML) 10 Page - ELAN Microelectronics Corp

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EM78P341N/342N/343N
8-Bit Microprocessor with OTP ROM
4
Product Specification (V1.0) 12.01.2006
(This specification is subject to change without further notice)
5
Pin Description
5.1 EM78P341NP/M
Symbol
Pin No.
Type
Function
P50~P55
1~3, 12~14
I/O
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
P60, P61
66, 67
6~9
I/O
4-bit General purpose input/output pins
Open drain
Default value at power-on reset
P70~P71
11, 4
I/O
2-bit General purpose input/output pins
Default value at power-on reset
/INT
6
I
External interrupt pin triggered by a falling or a rising edge.
Defined by CONT <7>
ADC0~ADC6
1, 2, 9
11~14
I
7-bit Analog-to-Digital Converter
Defined by ADCON (R9)<1:0>
VREF
3
I
External reference voltage for ADC
Defined by ADCON (R9) <7>.
/RESET
4
I
General-purpose Input only
If it remains at logic low, the device will be reset
Wake-up from sleep mode when pin status changes
Voltage on /RESET must not exceed Vdd during normal mode
TCC, TCCA
3, 7
I
External Counter input
TCC defined by CONT<5>
TCCA defined by IOC80 <1>
OSCI
12
I
Crystal type: Crystal input terminal or external clock input pin
RC type: RC oscillator input pin
OSCO
11
O
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 OUT
13
O
IR mode output pin.
Driving current = 10mA when the output voltage drops to
Vdd-0.5V at Vdd = 5V
Sinking current = 15mA when the output voltage drops to
GND+0.5V at Vdd = 5V
VDD
10
Power supply
VSS
5
Ground


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