cxp81952 Sony Electronics, cxp81952 Datasheet - Page 6

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

PG0 to PG4
PG5/PCK
PG6/EXI0
PG7/EXI1
PH0 to PH7
PI1/RMC
PI2/PWM
PI3/TO/ADJ
PI4/INT1/
NMI
PI5/SCK1
PI6/SO1
PI7/SI1
PJ0 to PJ7
EXTAL
XTAL
TEX
TX
RST
MP
AV
AV
AVss
V
Vss
DD
Symbol
DD
REF
Input
Output
I/O/Input
I/O/Output
I/O/Output/Output
I/O/Input/Input
I/O/I/O
I/O/Output
I/O/Input
I/O
Input
Output
Input
Output
Input
Input
Input
I/O
(Port G)
8-bit input port.
(8 pins)
(Port H)
8-bit output port ; Medium withstand voltage (12V) and high current
(12mA), N-ch open drain output.
(8 pins)
(Port I)
7-bit I/O port.
I/O port can be
specified by bit
unit.
(7 pins)
(Port J)
8-bit I/O port. Function as standby release input can be specified by bit
unit. I/O can be specified by bit unit.
Connecting pin of crystal oscillator for system clock. When supplying
the external clock, input the external clock to EXTAL pin and input
opposite phase clock to XTAL pin.
Connecting pin of crystal oscillator for 32kHz timer clock. When used
as event counter, input to TEX pin and leave TX pin open. (Feedback
resistor is not removed.)
System reset pin of active "L" level.
Microprocessor mode input pin. Always connect to GND.
Positive power supply pin of A/D converter.
Reference voltage input pin of A/D converter.
GND pin of A/D converter.
Positive power supply pin.
GND pin. Connect both Vss pins to GND.
– 6 –
7 bit general purpose prescaler input pin.
External input pin to FRC capture unit.
Remote control receiving circuit input pin.
14-bit PWM output pin.
Timer/counter, 32kHz oscillation adjustment output
pin.
Input pin to request external interruption and
non-maskable interruption. Active when falling edge.
Serial clock (CH1) I/O pin.
Serial data (CH1) output pin.
Serial data (CH1) input pin.
Description
CXP81952/81960