HT56R26 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT56R26' PDF : 134 Pages View PDF
HT56R22/HT56R23/HT56R24/HT56R25/HT56R26
· ADPCR Register
Bit
Name
R/W
POR
7
PCR7
R/W
x
6
PCR6
R/W
0
5
PCR5
R/W
0
4
PCR4
R/W
0
Port PA - A/D converter input pin selection
Bit 7
PCR7: PA7 or AN7
0: PA7 I/O pin or other pin-shared function
1: AN7 A/D converter input
Bit 6
PCR6: PA6 or AN6
0: PA6 I/O pin or other pin-shared function
1: AN6 A/D converter input
Bit 5
PCR5: PA5 or AN5
0: PA5 I/O pin or other pin-shared function
1: AN5 A/D converter input
Bit 4
PCR4: PA4 or AN4
0: PA4 I/O pin or other pin-shared function
1: AN4 A/D converter input
Bit 3
PCR3: PA3 or AN3
0: PA3 I/O pin or other pin-shared function
1: AN3 A/D converter input
Bit 2
PCR2: PA2 or AN2
0: PA2 I/O pin or other pin-shared function
1: AN2 A/D converter input
Bit 1
PCR1: PA1 or AN1
0: PA1 I/O pin or other pin-shared function
1: AN1 A/D converter input
Bit 0
PCR0: PA0 or AN0
0: PA0 I/O pin or other pin-shared function
1: AN0 A/D converter input
· ACSR Register
3
PCR3
R/W
0
2
PCR2
R/W
0
1
PCR1
R/W
0
0
PCR0
R/W
0
²x² unknown
Bit
7
6
5
4
3
2
1
0
Name
TEST ADONB
¾
¾
¾
ADCS2 ADCS1 ADCS0
R/W
R/W
R/W
¾
¾
¾
R/W
R/W
R/W
POR
1
0
¾
¾
¾
0
0
0
Bit 7
Bit 6
Bit 5~3
Bit 2~0
TEST: for test mode use only
ADONB: ADC module power on/off control bit
0: ADC module power on
1: ADC module power off
Note: 1. it is recommended to set ADONB=1 before entering idle/sleep to reduce power
consumption
2. ADONB=1 will power down the ADC module.
unimplemented, read as ²0²
ADCS2~ADCS0: Select A/D converter clock source
000: system clock/2
001: system clock/8
010: system clock/32
011: undefined, can¢t be used.
100: system clock
101: system clock/4
110: system clock/16
111: undefined, can¢t be used.
Rev. 1.30
62
December 26, 2014
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