HT46R064D/065D/066D
Enhanced A/D Type 8-Bit OTP MCU with LED Driver
ADCR Register
Bit
Name
R/W
7
START
R/W
0
6
EOCB
R
5
¾
¾
0
4
¾
¾
0
3
¾
¾
0
2
ACS2
R/W
0
1
ACS1
R/W
0
0
ACS0
R/W
0
POR
1
Bit 7
START: Start the A/D conversion
0®1®0 : start
0®1
: reset the A/D converter and set EOCB to ²1²
Bit 6
EOCB: End of A/D conversion flag
0: A/D conversion ended
1: A/D conversion in progress
Bit 5~3
Bit 2~0
unimplemented, read as ²0²
ACS2~ACS0: Select A/D channel
For HT46R064D/HT46R065D
000 AN0
001 AN1
010 AN2
011 AN3
1xx undefined, can¢t be used
For HT46R066D
000 AN0
001 AN1
010 AN2
011 AN3
100 AN4
101 AN5
110 AN6
111 AN7
ACSR Register
Bit
Name
R/W
7
6
5
4
3
2
1
ADCS1
R/W
0
0
ADCS0
R/W
0
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
POR
Bit 7~2
Bit 1~0
unimplemented, read as ²0²
ADCS1~ADCS0: Select A/D converter clock source
00: system clock/2
01: system clock/8
10: system clock/32
11: undefined, can¢t be used.
Rev. 1.00
59
January 12, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
