參數資料
型號: HD4048412FS
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數: 90/125頁
文件大?。?/td> 471K
代理商: HD4048412FS
HD404849 Series
90
Bit
Initial value
Read/Write
Bit name
3
Undefined
R/W
SR7
2
Undefined
R/W
SR6
0
Undefined
R/W
SR4
1
Undefined
R/W
SR5
Serial data register (upper digit) (SRU: $007)
Figure 73 Serial Data Register (SRU)
LSB
MSB
1
2
3
4
5
6
7
8
Transmit clock
Serial output
data
Serial input data
latch timing
Figure 74 Serial Interface Input/Output Timing
Port Mode Register A (PMRA: $004):
This register has the following functions (figure 75).
R2
2
/SI pin function selection
R2
3
/SO pin function selection
Port mode register A (PMRA: $004) is a 2-bit write-only register, and is reset to $0 by MCU reset.
Bit
Initial value
Read/Write
Bit name
3
Not used
2
Not used
0
0
W
PMRA0
1
0
W
PMRA1
PMRA0
0
1
R2
3
/SO mode selection
R2
3
SO
Port mode register A (PMRA: $004)
PMRA1
0
1
R2
2
/SI mode selection
R2
2
SI
Figure 75 Port Mode Register A (PMRA)
相關PDF資料
PDF描述
HD4048412H RELAY BASE
HD4048412TF 4-Bit Single-Chip Microcomputer
HD404848 4-Bit Single-Chip Microcomputer
HD404848FS 4-Bit Single-Chip Microcomputer
HD404848H RELAY SOCKET
相關代理商/技術參數
參數描述
HD4048412H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4048412TF 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer
HD404848 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer