參數(shù)資料
型號: HD404448
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微機(4位單片微計算機)
文件頁數(shù): 54/123頁
文件大?。?/td> 726K
代理商: HD404448
HD404449 Series
54
Bit
Initial value
Read/Write
Bit name
3
0
W
SM2A3
2
0
W
SM2A2
0
0
W
SM2A0
1
0
W
SM2A1
Serial mode register 2A (SM2A: $01B)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Output
Output
Output
Output
Output
Output
Output
Input
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
System clock
External clock
÷
2048
÷
512
÷
128
÷
32
÷
8
÷
2
Prescaler
division
SM2A2
SM
SM2A1
SM2A3
0
1
R5
1
/
SCK
2
mode selection
SCK
2
R5
1
SCK
2
Figure 37 Serial Mode Register 2A (SM2A)
Bit
Initial value
Read/Write
Bit name
3
0
W
MIS3
2
0
W
MIS2
0
0
W
MIS0
1
0
W
MIS1
MIS2
CMOS buffer
on/off selection
for pin R4
3
/SO
1
On
Miscellaneous register (MIS: $00C)
0
1
Off
Refer to figure 18 in the
operation modes section.
t
RC
selection.
MIS3
0
1
Pull-up MOS
on/off selection
Off
On
MIS1
MIS0
Figure 38 Miscellaneous Register (MIS)
相關(guān)PDF資料
PDF描述
HD404449 4-bit HMCS400-Series microcomputer(4位單片微計算機)
HD4074459 4-bit HMCS400-Series microcomputer(4位單片微計算機)
HD404458 4-bit HMCS400-Series microcomputer(4位單片微計算機)
HD404459 4-bit HMCS400-Series microcomputer(4位單片微計算機)
HD40A4052 4-Bit Single-Chip Microcomputer(4位單片微計算機)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404448H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HD404449 SERIES
HD404448TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HD404449 SERIES
HD404449 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HD404449 SERIES
HD404449H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HD404449 SERIES
HD404449SERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述: