cxp81952 Sony Electronics, cxp81952 Datasheet - Page 7

• Manufacturer Part Number: cxp81952
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

Input/Output Circuit Formats for Pins
PC0/PPO16
PC2/PPO18
PC3/RTO3
PC7/RTO7
PD0 to PD7
PA0/PPO0
PA7/PPO7
PB0/PPO8
PB7/PPO15
16 pins
8 pins
8 pins
Pin
to
to
to
to
Data bus
Port A
Port B
Port C
Port D
Data bus
Data bus
Port A or Port B
Port C direction
Port D direction
PPO, RTO data
Port C data
Port D data
PPO data
RD (Port C)
RD (Port D)
RD
Circuit format
– 7 –
Output becomes active from high
impedance by data writing to port register.
(Every 4 bits)
(Every bit)
PD0 to 3
PD4 to 7
IP
IP
Input
protection
circuit
High
current
12mA
CXP81952/81960
When reset
Hi-Z
Hi-Z
Hi-Z