參數(shù)資料
型號(hào): UPD78054
廠商: NEC Corp.
元件分類(lèi): DC/DC變換器
英文描述: 8-bit single-chip microcomputer
中文描述: 8位單片機(jī)
文件頁(yè)數(shù): 21/62頁(yè)
文件大?。?/td> 576K
代理商: UPD78054
μ
PD78001B(A), 78002B(A)
21
5.6
SERIAL INTERFACES
There is one on-chip clocked serial interface.
Serial Interface channel 0 has the following three modes.
3-wire serial I/O mode
SBI (Serial Bus Interface) mode
2-wire serial I/O mode
: MSB/LSB-first switchable
: MSB-first
: MSB-first
Fig. 5-7 Serial Interface Channel 0 Block Diagram
Busy/Acknowledge
Output Circuit
Output
Latch
Serial I/O Shift
Register 0 (SIO0)
Internal Bus
Interrupt
Request
Signal
Generator
Serial Counter
Bus Release/Command/
Acknowledge Detection
Circuit
Serial Clock
Control Circuit
Selector
Selector
Selector
f
X
/2 – f
X
/2
9
TO2
INTCSI0
SCK0/P27
SO0/SB1/P26
SI0/SB0/P25
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