参数资料
型号: M37630E4FS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, UVPROM, 10 MHz, MICROCONTROLLER, CQCC80
封装: 0.80 MM PITCH, CERAMIC, LCC-80
文件页数: 30/48页
文件大小: 563K
代理商: M37630E4FS
MITSUBISHI
ELECTRIC
36
MITSUBISHI MICROCOMPUTERS
7630 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 40
Structure of A-D control register
A-D Converter Operation
The comparator and control circuit reference an analog input volt-
age with the reference voltage, then stores the result in the A-D
conversion register. When an A-D conversion is complete, the con-
trol circuit sets the A-D conversion completion bit and the A-D inter-
rupt request bit to “1”. The result of A-D conversion can be obtained
from the A-D conversion register, AD (address 001416).
Note that the comparator is linked to a capacitor, so set f(XIN) to 500
kHz or higher during A-D conversion.
70
A-D control register (address 001516)
ADCON
Analog input pin selection bits
b2 b1 b0
0 0 0 : P00/AN0
0 0 1 : P01/AN1
0 1 0 : P02/AN2
0 1 1 : P03/AN3
1 0 0 : P04/AN4
1 0 1 : P05/AN5
1 1 0 : P06/AN6
1 1 1 : P07/AN7
A-D conversion completion bit
0 : Conversion in progress
1 : Conversion completed
VREF/Input switch bit
0 : Off
1 : On
Not used (“0” when read, do not write “1”)
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