HT46R232 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT46R232 Datasheet PDF : 50 Pages
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HT46R232/HT46C232
PCR2 PCR1 PCR0
7
6
5
4
3
2
1
0
0
0
0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
0
0
1
PB7
PB6
PB5
PB4
PB3
PB2
PB1
AN0
0
1
0
PB7
PB6
PB5
PB4
PB3
PB2
AN1
AN0
0
1
1
PB7
PB6
PB5
PB4
PB3
AN2
AN1
AN0
1
0
0
PB7
PB6
PB5
PB4
AN3
AN2
AN1
AN0
1
0
1
PB7
PB6
PB5
AN4
AN3
AN2
AN1
AN0
1
1
0
PB7
PB6
AN5
AN4
AN3
AN2
AN1
AN0
1
1
1
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
Port B Configuration
Bit No.
0
1
2~6
7
Label
ADCS0
ADCS1
¾
TEST
Function
Selects the A/D converter clock source
00= system clock/2
01= system clock/8
10= system clock/32
11= undefined
Unused bit, read as ²0²
For test mode used only
ACSR (27H) Register
ACS2
0
0
0
0
1
1
1
1
ACS1
0
0
1
1
0
0
1
1
ACS0
0
1
0
1
0
1
0
1
Analog Input Channel Selection
Analog Channel
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Register
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
ADRL
D1
D0
¾
¾
¾
¾
¾
¾
ADRH
D9
D8
D7
D6
D5
D4
D3
D2
Note: D0~D9 is A/D conversion result data bit LSB~MSB.
ADRL (24H), ADRH (25H) Register
Rev. 1.40
20
November 23, 2005
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