参数资料
型号: M37161MF-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 73/129页
文件大小: 1092K
代理商: M37161MF-XXXSP
Rev.1.00
2003.11.25
page 48 of 128
M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
Fig. 8.8.2 A-D Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 1 (AD1) [Address 00EC16]
B
After reset RW
A-D Control Register 1
0
to
2
Analog input pin selection
bits
(ADC10 to ADC12)
Name
Functions
b2 b1 b0
0
0 : AD1
0
1 : AD2
0
1
0 : AD3
0
1
1 : AD4
1
0
0 : AD5
1
0
1 : AD6
AD7
AD8
1
0 :
1
1 :
4
Storage bit of comparison
result (ADC14)
0: Input voltage < reference voltage
1: Input voltage > reference voltage
0
Indeterminate
0
3
This bit is a write disable bit.
When this bit is read out, the value is “0.”
RW
R —
0
5
to
7
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R —
Fig. 8.8.3 A-D Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 2 (AD2) [Address 00ED 16]
B
After reset
R W
A-D Control Register 2
0
to
6
7
0
Name
Functions
D-A converter set bits
(ADC20 to ADC25)
b0
b1
b2
b3
b4
b5
Nothing is assigned. This bit is a write disable bit.
When these bits are reed out, the values are “ 0.”
1
0000
00
0000
0
0000
0
111
1
1111
1
b6
1
0
1
111
1
RW
R —
: 3/256Vcc
: 5/256Vcc
: 251/256Vcc
: 253/256Vcc
: 255/256Vcc
: 1/256Vcc
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