CXP81732A Datasheet, PDF (11/23 Pages) Sony Corporation – CMOS 8-bit Single Chip Microcomputer

CXP81732A/81740A
Pin
Circuit format
When reset
SCK0
1 pin
Internal serial clock
from SIO
SCK0 output enable
IP
External serial clock to SIO
Schmitt input
Hi-Z
EXTAL
XTAL
2 pins
EXTAL
XTAL
TEX
TX
TEX
2 pins
TX
IP
IP
• Shows the circuit
composition during
oscillation.
• Feedback resistor is
removed during stop.
XTAL becomes "H"
level.
Oscillation
32kHz
timer counter
• Shows the circuit
composition during
oscillation.
• Feedback resistor is
removed during 32kHz
oscillation circuit stop
by software.
At this time TEX pin
outputs "L" level and TX
pin outputs "H" level.
Oscillation
RST
1 pin
MP
1 pin
Mask option
Pull-up resistor
Schmitt input
OP
IP
IP
CPU mode
L level
Hi-Z
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