MC80F0224 Datasheet, PDF (75/128 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

Preliminary
MC80F0208/16/24
ADCM
R/W R/W -
7
6
5
ADEN ADCK -
R/W R/W R/W R/W R
4
3
2
1
0
ADS2 ^BATDCSL1 ADS0 ADST ADSF
ADDRESS: 0EF_H
INITIAL VALUE: 00-0 0001_B
A/D status bit
0: A/D conversion is in progress
1: A/D conversion is completed
A/D start bit
Setting this bit starts an A/D conversion.
After one cycle, bit is cleared to “0” by hardware.
Analog input channel select
000: Channel 0 (AN0) 100: Channel 4 (AN4)
001: Channel 1 (AN1) 101: Channel 5 (AN5)
010: Channel 2 (AN2) 110: Channel 6 (AN6)
011: Channel 3 (AN3) 111: Channel 7 (AN7)
A/D converter Clock Source Devide Ratio Selection bit
0: Clock Source f_PS ÷ 4
1: Clock Source f_PS ÷ 8
A/D converter Enable bit
0: A/D converter module turn off and current is not flow.
1: Enable A/D converter
WWW
R
R
7
6
5
4
3
2
1
0
ADCRH
PSSEL1 PSSEL0 ADC8 - ^{BTC- L} -
ADDRESS: 0F0_H
INITIAL VALUE: 010- ----_B
ADCRL
A/D Conversion High Data
ADC 8-bit Mode select bit
0: 10-bit Mode
1: 8-bit Mode
A/D Conversion Clock (f_PS) Source Selection
00: f_XIN
01: f_XIN ÷ 2
10: f_XIN ÷ 4
R
R
R
R
R
R
R
R ^{11: fXIN ÷ 8}
7
6
5
4
3
2
1
0
BTCL
ADDRESS: 0F1_H
INITIAL VALUE: Undefined
A/D Conversion Low Data
ADCK
0
0
0
0
1
1
1
1
PSSEL1
0
0
1
1
0
0
1
1
PSSEL0
0
1
0
1
0
1
0
1
PS Clock Selection
PS = f_XIN ÷ 4
PS = f_XIN ÷ 8
PS = f_XIN ÷ 16
PS = f_XIN ÷ 32
PS = f_XIN ÷ 8
PS = f_XIN ÷ 16
PS = f_XIN ÷ 32
PS = f_XIN ÷ 64
PS : Conversion Clock
Figure 15-4 A/D Converter Control & Result Register
MAR. 2005 Ver 0.2
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