參數資料
型號: μPD789198
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數: 62/146頁
文件大?。?/td> 630K
代理商: ΜPD789198
Preliminary Product Information
62
μ
PD789186, 789187, 789196, 789197
(2) A/D input selection register 0 (ADS0)
ADS0 specifies the port used to input the analog voltages to be converted to a digital signal. The ADS0 is
manipulated using a 1-bit or 8-bit memory manipulation instruction.
A RESET input clears ADS0 to 00H.
Figure 6-30. A/D Input Selection Register 0 Format
0
0
0
0
0
ADS02 ADS01 ADS00
ADS0
Symbol
Address
When reset
R/W
FF84H
00H
R/W
7
6
5
4
3
2
1
0
Analog input channel specification
ADS02
0
0
0
0
1
1
1
1
ANI0
ANI1
ANI2
ANI3
ANI4
ANI5
ANI6
ANI7
ADS01
0
0
1
1
0
0
1
1
ADS00
0
1
0
1
0
1
0
1
Caution
Bits 3 to 7 must be fixed to 0.
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