參數(shù)資料
型號(hào): HD40A4052
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): 42/101頁(yè)
文件大?。?/td> 610K
代理商: HD40A4052
HD404054 Series/HD404094 Series
42
Bit
Initial value
Read/Write
Bit name
3
0
W
SM1A3
2
0
W
SM1A2
0
0
W
SM1A0
1
0
W
SM1A1
Serial mode register 1A (SM1A: $005)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Output
Output
Output
Output
Output
Output
Output
Input
Clock source
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
System clock
External clock
÷
2048
÷
512
÷
128
÷
32
÷
8
÷
2
SM1A2
SM
SM1A1
SM1A3
0
1
R4
1
/
SCK
1
mode selection
SCK
1
R4
1
SCK
1
Prescaler
r
Figure 26 Serial Mode Register 1A (SM1A)
Bit
Initial value
Read/Write
Bit name
3
0
W
CER3
2
Not used
0
0
W
CER0
1
0
W
CER1
Compare enable register (CER: $018)
CER1
0
0
1
1
Analog input pin selection
COMP
0
COMP
1
Not used
Not used
CER3
Digital input mode:
RD /COMP
0
and RD /COMP
1
operate as an R port.
Digital/Analog selection
Analog input mode:
RD /COMP
0
and RD /COMP
1
operate as analog input.
0
1
CER0
0
1
0
1
Figure 27 Compare Enable Register
相關(guān)PDF資料
PDF描述
HD404092 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD404094 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD4074094 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD404052 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD404054 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD40A4052H 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:HMCS400-series microcomputers designed to increase program productivity with large-capacity memory
HD40A4052S 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:HMCS400-series microcomputers designed to increase program productivity with large-capacity memory
HD40A4054H 制造商:HITACHI 制造商全稱(chēng):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(chēng):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(chēng):未知廠家 功能描述:4-Bit Microcontroller