MC80F0424 Datasheet, PDF (81/135 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

Preliminary
MC80F0424/0432/0448
ADCM
R/W R/W - R/W R/W R/W R/W R
7
6
5
4
3
2
1
0
ADEN ADCK ADS2 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
0000: Channel 0 (AN0)
0001: Channel 1 (AN1)
1000: Channel 8 (AN8)
1001: Channel 9 (AN9)
0010: Channel 2 (AN2)
0011: Channel 3 (AN3)
1010: Channel 10 (AN10)
1011: Channel 11 (AN11)
0100: Channel 4 (AN4)
0101: Channel 5 (AN5)
1100: Channel 12 (AN12)
1101: Channel 13 (AN13)
0110: Channel 6 (AN6) 1110: Channel 14 (AN14)
0111: Channel 7 (AN7) 1111: Channel 15 (AN15)
A/D converter Clock Source Divide 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 (for 10-bit mode)
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
11: f_XIN ÷ 8
R
R
R
R
R
R
R
R
7
6
5
4
3
2
1
0
BTCL
ADDRESS: 0F1_H
INITIAL VALUE: Undefined
A/D Conversion Low Data
Figure 15-4 A/D Converter Control & Result Register
MAR. 2005 Ver 0.2
77