MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D
Page 101 of 172
• Block diagram of P20/PPG00/CMP0_N and P21/PPG01/CMP0_P
• P22/SCL pin
This pin has the following peripheral function:
• I
2
C bus interface ch. 0 clock I/O pin (SCL)
• P23/SDA pin
This pin has the following peripheral function:
• I
2
C bus interface ch. 0 data I/O pin (SDA)
• Block diagram of P22/SCL and P23/SDA
PDR2
Pin
PDR2 read
PDR2 write
Executing bit manipulation instruction
DDR2 read
DDR2 write
PUL2 read
PUL2 write
DDR2
PUL2
0
1
1
0
Stop mode, watch mode (SPL = 1)
Peripheral function output enable
Peripheral function output
Pull-up
Inter
nal b
u
s
Analog input
Analog input enable
PDR2
PDR2 read
PDR2 write
Executing bit manipulation instruction
DDR2 read
DDR2 write
DDR2
0
1
1
0
Stop mode, watch mode (SPL = 1)
Peripheral function input
Peripheral function input enable
Peripheral function output enable
Peripheral function output
CMOS
Pin
OD
Inter
nal b
u
s