em78p210n ELAN Microelectronics Corp, em78p210n Datasheet - Page 9

• Manufacturer Part Number: em78p210n
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

4 Pin Description
Product Specification (V1.2) 04.22.2008
(This specification is subject to change without further notice)
4.1 EM78P210ND20/SO20/SS20
P52~P53
P55~P56
P60~P67
P70~P73
P77
P81
CIN-
CIN+
CO
OSCI
OSCO
/RESET
INT0~INT1
VDD
VSS
Symbol
Pin No.
14 ~ 17
6 ~ 13
18~19
5, 16
1~2
20
14
15
16
19
18
20
5
3
8
Type
I/O
I/O
I/O
I/O
O
O
-
-
I
I
I
I
I
4-bit General purpose input/output pins.
Default value at power-on reset.
8-bit General purpose input/output pins.
Wake-up from sleep mode when the pin status changes.
Default value at power-on reset.
5-bit General purpose input/output pins.
Default value at power-on reset.
1-bit General purpose input or output open-drain pin.
Default value at power-on reset.
“-“ : input pin of Vin- of the comparator
“+” : input pin of Vin+ of the comparator
Pin CO is the comparator output
Defined by CMPCON (Bank 1-RA) <3 : 4>
Crystal type: Crystal input terminal
RC type: RC oscillator input pin
Crystal type: Output terminal for crystal oscillator.
RC type: Clock output with a duration of one instruction cycle
External clock signal input.
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
External interrupt pin
Power supply
Ground
Pull-high (P52~P53) / Open-drain function.
High sink function.
Pull-high (P64~P67) / Pull-down function.
High drive / High sink function.
time.
8-Bit Microcontroller with OTP ROM
Function
EM78P210N
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