參數(shù)資料
型號: HCD40C4084
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): 108/162頁
文件大?。?/td> 482K
代理商: HCD40C4084
HD404374/HD404384/HD404389/HD404082/HD404084 Series
108
Bit
Read/Write
Initial value on reset
Bit name
3
R/W
0
DTON
2
R/W
0
ADSF
1
R/W
0
WDON
0
R/W
0
LSON
A/D start flag (ADSF: $020,2)
1
0
DTON (see low-power mode section)
WDON (see timer section)
LSON (see low-power mode section)
A/D start flag (ADSF)
A/D conversion starts
Indicates end of A/D conversion
Figure 65 A/D Start Flag (ADSF)
A/D data register (ADRL: $029, ADRM: $02A, ADRU: $02B):
The A/D data register is a read-only register consisting of a middle 4 bits and lower 2 bits. This register is
not cleared by a reset. Also, data read during A/D conversion is not guaranteed. At the end of A/D
conversion, the resulting 10-bit data is stored in this register, and is held until the next conversion operation
starts (figures 66, 67, 68, and 69).
MSB
LSB
bit9
bit0
ADRU : $02B
ADRM : $02A
ADRL : $029
3 2 1 0
3 2 1 0
3 2
Figure 66 A/D Data Register
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