CXP825P40 Datasheet, PDF (7/20 Pages) Sony Corporation – CMOS 8-bit Single Chip Microcomputer

CXP825P40
Pin
PB4/SO0
1 pin
PB7/SO1
1 pin
Port B
SO
Output enable
Port B output select
"0" when reset
Port B data
Port B direction
"0" when reset
Data bus
RD (Port B)
Port B
SO
Output enable
Port B output select
"0" when reset
Port B data
"1" when reset
Data bus
RD (Port B)
Circuit format
IP
Internal reset signal
∗
∗_{Pull-up transistor}
about 200kΩ
Port C
Port C data
When reset
Hi-Z
High level
PC0/KR0
to
PC7/KR7
8 pins
PE0/EC0/INT0
PE1/EC1/INT1
PE2/INT2
PE3/INT3
PE4/RMC
5 pins
Data bus
Port C direction
"0" when reset
RD (Port C)
Key input signal
∗
IP
∗_{Capable of driving 12mA large current}
Port E
Schmitt input
IP
EC0/INT0
EC1/INT1
INT2
INT3
RMC
Data bus
RD (Port E)
Hi-Z
Hi-Z
–7–