參數(shù)資料
型號: μPD72043F
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 23/72頁
文件大?。?/td> 547K
代理商: ΜPD72043F
23
m
PD78042F, 78043F, 78044F, 78045F
Fig. 5-11 Serial Interface Channel 1 Block Diagram
Internal bus
SI1/P20
SCK1/P22
BUSY/P24
STB/P23
SO1/P21
Automatic data trans-
mission/reception
address pointer (ADTP)
Buffer RAM
Automatic data
transmission/
reception interval
specification register
(ADTI)
Serial I/O shift register 1
(SIO1)
Match
Handshake
control
circuit
5-bit counter
Serial clock
counter
Interrupt
request signal
generator
Serial clock control
circuit
Selector
f
X
/2
2
-f
X
/2
9
TO2
INTCSI1
Fig. 5-10 Serial Interface Channel 0 Block Diagram
Internal bus
Serial I/O shift
register 0 (SIO0)
Bus release/
command/acknowledge
detector
Serial clock
counter
Serial clock
control circuit
Interrupt request
signal generator
Busy/acknowledge
output circuit
S
S
S
Output
latch
INTCSI0
f
X
/2
2
-f
X
/2
9
TO2
SCK0/P27
SO0/SB1/P26
SI0/SB0/P25
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