SN8P1829
8-Bit MCU build-in 12-bit ADC + PGIA + Charge-pump Reg 128 dots LCD driver
SONiX TECHNOLOGY CO., LTD
Page 106
Version 1.0
I/O PORT FUNCTION TABLE
Port/Pin I/O
Function
Description
Remark
General-purpose input function
External interrupt (INT0~INT1)
See <P00G1,P00G0>
P0.0~P0.1 I
Wakeup for power down mode
See <P00G1,P00G0>
General-purpose input/output function
P1.0~P1.3 I/O
Wakeup for power down mode
General-purpose Input function
P2.0~P2.7 I
LCD segment
General-purpose input/output function
P5.0 I/O
SIO clock pin.
I/O
General-purpose input/output function
P5.1
I
SIO data input pin.
P5M.1 must be set “0”
I/O
General-purpose input/output function
P5.2
O
SIO data output pin.
P5M.1 must be set “1”
P5.3~P5.4
I/O
General-purpose input/output function
Table 11-1. I/O Function Table
PULL-UP RESISTOR (P
N
UR) REGISTER
P
N
UR initial value = 0000 0000
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
P
N
UR
P
N
7R P
N
6R P
N
5R P
N
4R P
N
3R P
N
2R P
N
1R P
N
0R
R/W R/W R/W R/W R/W R/W R/W R/W
P
N
UR :
The n expressed 0, 1, 2, 5.
P
N
7R ~ P
N
0R:
Pull-up resistor control bit.
0 = Without pull up resistor
1 = With pull up resistor.