參數(shù)資料
型號: HD40C4084
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
中文描述: 低電壓如同在微機芯片的A / D轉(zhuǎn)換器(帶片上的A / D轉(zhuǎn)換器的低壓微計算機)
文件頁數(shù): 101/162頁
文件大?。?/td> 482K
代理商: HD40C4084
HD404374/HD404384/HD404389/HD404082/HD404084 Series
101
Serial mode register 1 (SMR1: $024)
SMR13 SMR12 SMR11 SMR10
SCK
pin
Serial clock
source
Serial clock
(PSS division ratio
÷
2 or 4)
Serial clock
cycle
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
Output
Output
Output
Output
Output
Output
Output
Input
Output
Output
Output
Output
Output
Output
Output
Input
PSS
PSS
PSS
PSS
PSS
PSS
System clock
External clock
PSS
PSS
PSS
System clock
External clock
PSS
PSS
PSS
(
PER
/2048)
÷
2
(
PER
/512)
÷
2
(
PER
/128)
÷
2
(
PER
/32)
÷
2
(
PER
/8)
÷
2
(
PER
/2)
÷
2
PER
(
PER
/2048)
÷
4
(
PER
/512)
÷
4
(
PER
/128)
÷
4
(
PER
/32)
÷
4
(
PER
/8)
÷
4
(
PER
/2)
÷
4
PER
4096 tcyc
1024 tcyc
256 tcyc
64 tcyc
16 tcyc
4 tcyc
tcyc
8192 tcyc
2048 tcyc
512 tcyc
128 tcyc
32 tcyc
8 tcyc
tcyc
Bit
Read/Write
Initial value on reset
Bit name
3
W
0
SMR13
2
W
0
SMR12
1
W
0
SMR11
0
W
0
SMR10
Figure 56 Serial Mode Register 1 (SMR1)
Serial mode register 2 (SMR2: $025):
Serial mode register 2 (SMR2) has the following functions. See figure 57.
R2
2
/SI/SO pin PMOS control
Idle high/low control
Serial mode register 2 (SMR2) is a 2-bit write-only register. The register value cannot be modified in the
transfer state.
Bit 2 (SMR22) of serial mode register 2 (SMR2) controls the on/off status of the R2
2
/SI/SO pin PMOS.
The bit 2 (SMR22) only is reset to 0 by an MCU reset.
相關(guān)PDF資料
PDF描述
HD40C4384 Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
HD40C4388 Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
HD40C4389 Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計算機)
HD404394 4-bit HMCS400-series microcomputer(4位單片微計算機)
HD4074344S 4-bit HMCS400-series microcomputer(4位單片微計算機)
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