參數(shù)資料
型號(hào): UPD750066CU(A)-XXX
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-42
文件頁數(shù): 26/83頁
文件大?。?/td> 730K
代理商: UPD750066CU(A)-XXX
32
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V1DS
6.8 Serial Interface
The serial interface has the following three modes.
Operation stop mode
3-wire serial I/O mode
2-wire serial I/O mode
The 3-wire serial I/O mode enables connections to be made with the 75X Series, 78K Series, and many other
types of I/O devices. The 2-wire serial I/O mode enables communication with two or more devices.
Figure 6-8. Serial Interface Block Diagram
Internal bus
8/4
Bit
test
P03/SI/SB1
P02/SO/SB0
P01/SCK
88
SBIC
RELT
CMDT
SET CLR
DQ
(8)
INTCSI
IRQCSI
set signal
fX/23
fX/24
fX/26
TOUT0
P01
Output
latch
Selector
Serial
clock
counter
Serial clock
control circuit
Serial
clock
selector
SO
latch
Shift register (SIO)
External
SCK
From
timer/event
counter 0
Bit
manipu-
lation
INTCSI
control
circuit
CSIM
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