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AD control register 2 (Note)
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AD register i (i = 0 to 7)
(b15)
b7
Figure 2.9.3. A/D converter-related registers (2)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
b7
b6
b5 b4
b3 b2
b1
b0
Symbol
0 0
0
ADCON2
Bit Symbol
SMP
Nothing is assigned.
Write "0" when writing to these bits. The values are indeterminate when read.
Reserved
Nothing is assigned.
Write "0" when writing to this bit. The value is indeterminate when read.
Reserved
Nothing is assigned.
Write "0" when writing to this bit. The values are indeterminate when read.
Note: If the AD control regsiter 2 is rewritten during A/D conversion, the conversion result is indeterminate.
(b8)
b0
b7
page 217 of 354
Address
03D4
16
Bit Name
0 : Without sample and hold
A/D conversion method
1 : With sample and hold
select bit
Must always be set to "0"
Must always be set to "0"
Symbol
ADi (i = 0 to 2) 03C0
to 3C1
, 03C2
16
16
b0
ADi (i = 3 to 5) 03C6
to 3C7
, 03C8
16
16
ADi (i = 6 to 7) 03CC
to 3CD
16
16
Eight low-order bits of A/D conversion results
During 10-bit mode:
Two high-order bits of A/D conversion results
During 8-bit mode:
The values are indeterminate when read
Nothing is assigned.
Write "0" when writing to these bits. The values are indeterminate when read.
2. A/D Converter
When reset
X00X0XX0
2
Function
Address
When reset
to 3C3
, 03C4
to 3C5
Indeterminate
16
16
16
16
to 3C9
, 03CA
to 3CB
Indeterminate
16
16
16
16
, 03CE
to 3CF
Indeterminate
16
16
Function
R
W
O
O
_
_
O
O
_
_
O
O
_
_
R W
O
O
_
_
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