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CHAPTER 18 8/10-BIT A/D CONVERTER
18.4.3
A/D control status register 0 (ADCS0)
A/D control status register 0 (ADCS0) selects the conversion mode and A/D conversion
channel.
■ A/D Control Status Register 0 (ADCS0)
Figure 18.4-5 Configuration of the A/D Control Status Register 0 (ADCS0)
bit15
Address
000034
H
R/W : Readable and writable
: Initial value
290
bit6
bit8
bit7
(ADCS: H)
MD1
MD0 ANS2 ANS1 ANS0 ANE2 ANE1 ANE0
R/W
R/W
ANE1 ANE0
ANE2
0
0
0
0
1
1
1
1
ANS2
ANS1 ANS0
0
0
0
0
1
1
1
1
MD1
0
0
1
1
bit5
bit4
bit3
bit2
R/W
R/W
R/W
R/W
A/D conversion end channel select bit
0
AN0/AN8 pin
0
AN1/AN9 pin
0
1
1
0
AN2/AN10 pin
1
1
AN3/AN11 pin
0
0
AN4/AN12 pin
0
1
AN5/AN13 pin
1
0
AN6/AN14 pin
1
1
AN7 pin
A/D conversion start channel select bit
Read during
Halt
conversion
AN0/AN8
0
0
AN1/AN9
0
1
AN2/AN10
1
0
Number of
the current
AN3/AN11
1
1
conversion
0
0
AN4/AN12
channel
AN5/AN13
0
1
AN6/AN14
1
0
1
1
AN7
MD0
A/D conversion mode select bit
Single conversion mode 1 (reactivation allowed
0
during operation)
Single conversion mode 2 (reactivation not
1
allowed during operation)
Continuous conversion mode (reactivation not
0
allowed during operation)
Stop conversion mode (reactivation not allowed
1
during operation)
bit1
bit0
Initial value
00000000
B
R/W
R/W
Read during a pause in
stop conversion mode
Number of the last
conversion channel
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