參數(shù)資料
型號: HD4074849TF
廠商: Hitachi,Ltd.
元件分類: 其它接口
英文描述: TERMINAL
中文描述: IGBT模塊
文件頁數(shù): 80/125頁
文件大小: 471K
代理商: HD4074849TF
HD404849 Series
80
I
÷
2
÷
8
÷
3
÷
1
÷
5
÷
2
Serial mode
register B
(SMRB)
SCK
Selector
System
clock
PER
Prescaler S (PSS)
Idle
controller
3
Serial mode
register A
(SMRA)
Clock
Serial data
register (SR)
Serial interrupt
request flag
(IFS)
S
1/2
1/2
SI
SO
Octal
counter (OC)
I/O
controller
Transfer
control
signal
Figure 66 Block Diagram of Serial Interface
Serial Interface Operation
Selecting and Changing the Operating Mode:
Table 28 lists the serial interface’s operating modes. To
select an operating mode, use one of these combinations of port mode register A (PMRA: $004) and serial
mode register A (SMRA: $005) settings; to change the operating mode, always initialize the serial interface
internally by writing data to serial mode register A. Note that the serial interface is initialized by writing
data to serial mode register A. Refer to the following Serial Mode Register A section for details.
Table 28 Serial Interface Operating Modes
SMRA
PMRA
Bit 3
Bit 1
Bit 0
Operating Mode
1
0
0
Clock continuous output mode
1
Transmit mode
1
0
Receive mode
1
Transmit/receive mode
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