參數(shù)資料
型號(hào): HD40A4054
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
中文描述: 4位單片機(jī)(4位單片微計(jì)算機(jī))
文件頁(yè)數(shù): 74/101頁(yè)
文件大小: 610K
代理商: HD40A4054
HD404054 Series/HD404094 Series
74
LSB
MSB
1
2
3
4
5
6
7
8
Transmit clock
Serial output
data
Serial input data
latch timing
Figure 57 Serial Interface Output Timing
Port Mode Register A (PMRA: $004):
This register has the following functions (figure 58).
R4
2
/SI
1
pin function selection
R4
3
/SO
1
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
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 58 Port Mode Register A (PMRA)
相關(guān)PDF資料
PDF描述
HD40A4358 4-bit HMCS400-Series microcomputer
HD404354 4-bit HMCS400-Series microcomputer
HD404354H 4-bit HMCS400-Series microcomputer
HD404354S 4-bit HMCS400-Series microcomputer
HD404356 4-bit HMCS400-Series microcomputer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD40A4054H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HMCS400-series microcomputers designed to increase program productivity with large-capacity memory
HD40A4054S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HMCS400-series microcomputers designed to increase program productivity with large-capacity memory
HD40A4081FT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD40A4081H 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD40A4081S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller