參數(shù)資料
型號: HD404629R
廠商: Hitachi,Ltd.
英文描述: AS Microcomputer Incorporating a DTMF Generator Circuit(微計算機帶雙音多頻發(fā)生器電路)
中文描述: 由于微機安裝有雙音多頻發(fā)電機斷路器(微計算機帶雙音多頻發(fā)生器電路)
文件頁數(shù): 94/155頁
文件大小: 549K
代理商: HD404629R
HD404629R Series
94
Miscellaneous Register (MIS: $00C):
This register has the following function (figure 80).
R2
3
/SO pin PMOS control
Miscellaneous register (MIS: $00C) is a 4-bit write-only register and is reset to $0 by MCU reset.
Bit
Initial value
Read/Write
Bit name
3
0
W
MIS3
2
0
W
MIS2
0
0
W
MIS0
1
0
W
MIS1
Miscellaneous register (MIS: $00C)
MIS1
0
1
MIS0
0
1
0
1
t
RC
0.12207 ms
0.24414 ms
7.8125 ms
31.25 ms
Not used
MIS2
0
1
R2
3
/SO PMOS on/off selection
On
Off
MIS3
0
1
Pull-up MOS on/off selection
Off
On
Figure 80 Miscellaneous Register (MIS)
A/D Converter
The MCU has a built-in A/D converter that uses a successive approximation method with a resistor ladder.
It can measure four analog inputs with 8-bit resolution. As shown in the block diagram of figure 81, the
A/D converter has a 4-bit A/D mode register, a 1-bit A/D start flag, and a 4-bit plus 4-bit A/D data register.
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