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CXP84640 データシートの表示(PDF) - Sony Semiconductor
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コンポーネント説明
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CXP84640
CMOS 8-bit Single Chip Microcomputer
Sony Semiconductor
CXP84640 Datasheet PDF : 28 Pages
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CXP84632/84640/84648
Pin
PB4/SO0
PB7/SO1
PI7/SO2
3 pins
PC0 to PC7
8 pins
PE0/EC0
PE1/EC1
PE2/RMC
PE3/NMI
PF7/RxD
5 pins
PE4
1 pin
Circuit format
Port B
Port I
Pull-up resistance
“0” when reset
SO
Serial data output enable
Port B, I function selection
“0” when reset
Port B, I data
Port B, I direction
“0” when reset
Data bus
RD (Port B, I)
Port C
Pull-up resistance
“0” when reset
Port C data
∗
IP
∗
Pull-up transistors
approx. 100k
Ω
∗
2
Port C direction
“0” when reset
Data bus
RD (Port C)
Port E
Port F
Schmitt input
IP
Port E
∗
1
IP
∗
1
Large current 12mA
∗
2
Pull-up transistors
approx. 100k
Ω
EC0, EC1, RMC, NMI, RxD
Data bus
RD (Port E, F)
Port E data
“1” when reset
Data bus
RD (Port E)
When reset
Hi-Z
Hi-Z
Hi-Z
High level
–7–
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