參數(shù)資料
型號: HD4074654
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁數(shù): 76/109頁
文件大?。?/td> 430K
代理商: HD4074654
HD404654 Series
76
LSB
MSB
1
2
3
4
5
6
7
8
Transmit clock
Serial output
data
Serial input data
latch timing
Figure 60 Serial Interface Output Timing
Port Mode Register A (PMRA: $004):
This register has the following functions (figure 61).
R4
2
/SI
1
pin function selection
R4
3
/SO
1
pin function selection
Port mode register A is a 4-bit write-only register, and is reset to $0 by MCU reset.
Bit
Initial value
Read/Write
Bit name
0
0
W
PMRA0
1
0
W
PMRA1
Port mode register A (PMRA: $004)
PMRA0
0
1
R4
3
/SO
1
mode selection
R4
3
SO
1
PMRA1
0
1
R4
2
/SI
1
mode selection
R4
2
SI
1
3
Not used
2
Not used
Figure 61 Port Mode Register A (PMRA)
相關(guān)PDF資料
PDF描述
HD4074654H 4-Bit Single-Chip Microcomputer
HD4074654S 4-Bit Single-Chip Microcomputer
HD4046612 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機(jī))
HD40A46612 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機(jī))
HD40A4668 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機(jī))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD4074654H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074654S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074678H 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD4074709C 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD4074709FS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller