cxp81952 Sony Electronics, cxp81952 Datasheet - Page 5

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

Pin Description
PA0/PPO0
PA7/PPO7
PB0/PPO8
PB7/PPO15
PC0/PPO16
PC2/PPO18
PC3/RTO3
PC7/RTO7
PD0 to PD7
PE0/INT0
PE1/EC/INT2
PE2/PWM0
PE3/PWM1
PE4/DAA0
PE5/DAA1
PE6/DAB0
PE7/DAB1
AN0 to AN3
PF0/AN4
PF3/AN7
PF4/AN8
PF7/AN11
SCK0
SO0
SI0
CS0
Symbol
to
to
to
to
to
to
Output/
Real time
output
Output/
Real time
output
I/O/
Real time
output
I/O/
Real time
output
I/O
Input/Input
Input/Input/Input
Output/Output
Output/Output
Output/Output
Output/Output
Output/Output
Output/Output
Input
Input/Input
Output/Input
I/O
Ouput
Input
Input
I/O
(Port A)
8-bit output port. Data is
gated with PPO contents by
OR-gate and they are output.
(8 pins)
(Port B)
8-bit output port. Data is
gated with PPO contents by
OR-gate and they are output.
(8 pins)
(Port C)
8-bit I/O port, enables to
specify I/O by bit unit.
Data is gated with PPO or
RTO contents by OR-gate
and they are output.
(8 pins)
(Port D)
8-bit I/O port. Enable to specify I/O by 4-bit unit.
Enables to drive 12mA sink current.
(8 pins)
(Port E)
8-bit port.
Lower 2 bits
are input pins
and upper 6
bits are output
pins.
(8 pins)
Analog input pins to A/D converter. (12 pins)
(Port F)
Lower 4 bits are input port and upper 4 bits are output port.
Lower 4 bits also serve as standby release input pin.
(8 pins)
Serial clock (CH0) I/O pin.
Serial data (CH0) output pin.
Serial data (CH0) input pin.
Serial chip select (CH0) input pin.
– 5 –
Input pin to request external interruption.
Active when falling edge.
PWM output pins.
(2 pins)
DA gate pulse output pins.
(4 pins)
External event input
pin for timer/counter.
Description
Programmable pattern generator (PPG)
output.
Functions as high precision real time
pulse output port.
(19 pins)
Real time pulse generator (RTG) output.
Functions as high precision real time
pulse output port. (5 pins)
Input pin to request
external interruption.
Active when falling edge.
CXP81952/81960