參數資料
型號: HD4074849FS
廠商: Hitachi,Ltd.
英文描述: CONTACT
中文描述: 4位單片機
文件頁數: 93/125頁
文件大?。?/td> 471K
代理商: HD4074849FS
HD404849 Series
93
A/D Mode Register (AMR: $016):
Four-bit write-only register which selects the A/D conversion period
and indicates analog input pin information. Bit 0 of the A/D mode register selects the A/D conversion
period, and bits 1 to 3 select a channel, as shown in figure 78.
Bit
Initial value
Read/Write
Bit name
3
0
W
AMR3
2
0
W
AMR2
0
0
W
AMR0
1
0
W
AMR1
A/D mode register (AMR: $016)
AMR0
0
1
Conversion time
34t
cyc
67t
cyc
AMR3
0
0
1
1
0
0
1
1
AMR2
0
1
0
1
0
1
0
1
Analog input selection
AN
0
AN
1
AN
2
AN
3
AN
4
AN
5
AN
6
AN
7
AMR1
0
0
0
0
1
1
1
1
Figure 78 A/D Mode Register (AMR)
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