CXP844P16 Datasheet, PDF (7/20 Pages) Sony Corporation – CMOS 8-bit Single Chip Microcomputer

CXP844P16
Pin
PB4/SO0
PB7/SO1
2 pins
Port B
Circuit format
Pull-up
resistance
SO
Output enable
Port B output
selection
"0" at reset
Port B data
Port B direction
"0" when reset
Data bus
RD (Port B)
When reset
∗
IP
Hi-Z
∗ _{Pull-up transistors}
approx. 100kΩ
PC0 to PC7
8 pins
Port C
Pull-up
resistance
"0" when reset
Port C data
Port C direction
"0" when reset
Data bus
RD (Port C)
∗2
∗1 _IP
∗1 _{High current drive} ∗2 _{Pull-up transistors}
of 12mA possible approx. 100kΩ
Hi-Z
PE0/EC
PE1
PE2/RMC
PE3/NMI
4 pins
Port E
Schmitt input
IP
Note : PE1
No schmitt input.
EC
RMC/NMI
Data bus
RD (Port E)
Hi-Z
PE4/PWM
1 pin
Port E
PWM
Port E output
selection
"0" when reset
Port E data
Data bus
"1" when reset
RD (Port E)
H level
–7–