參數(shù)資料
型號: UPD75512A
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 29/64頁
文件大小: 494K
代理商: UPD75512A
μ
P
2
Fig. 5-9 Serial Interface (Channel 1) Block Diagram
Bit
manipulation
0
CSIM1
Clear
Set
Serial transfer
completion flag
(EOT)
f /2
3
f /2
x
4
MPX
8
Bit
manipulation
bit 7
Serial operation mode (8)
register 1 (8)
Internal bus
8
SIO1 write signal (serial start signal)
SIO1
7
bit 0
Shift register 1 (8)
P83/SI1
P82/SO1
P81/SCK1
Serial clock
counter (3)
Overflow
Clear
Q
R
S
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