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零件编号
产品描述 (功能)
CXP81724B 查看數據表(PDF) - Sony Semiconductor
零件编号
产品描述 (功能)
生产厂家
CXP81724B
CMOS 8-bit Single Chip Microcomputer
Sony Semiconductor
CXP81724B Datasheet PDF : 23 Pages
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CXP81720B/81724B
Input/Output Circuit Formats for Pins
Pin
PA0/PPO0
to
PA7/PPO7
Port A
Port B
PPO data
Circuit format
PB0/PPO8
to
PB7/PPO15
16 pins
Ports A, B data
Data bus
RD (Port A or B)
Output becomes active from high
impedance by data writing to port register.
Port C
When reset
Hi-Z
PC0/PPO16
to
PC2/PPO18
PC3/RTO3
to
PC7/RTO7
8 pins
PPO, RTO data
Port C data
Port C direction
"0" when reset
Data bus
RD (Port C)
Port D
Input
protection
circuit
IP
Hi-Z
PD0
to
PD7
8 pins
Port D data
Port D direction
"0" when reset
Data bus
RD (Port D)
Large
current
12mA
IP
Hi-Z
–7–
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