Renesas M16C FAMILY, Руководство пользователя

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Rev.2.00 Oct 16, 2006 page 217 of 354
REJ09B0340-0200
M30245 Group 2. A/D Converter
Figure 2.9.3. A/D converter-related registers (2)
Bit Symbol
Function
R W
Symbol
ADCON2 Address
03D4
16
AD control register 2 (Note)
Note: If the AD control regsiter 2 is rewritten during A/D conversion, the conversion result is indeterminate.
When reset
X00X0XX0
2
Bit Name
SMP
A/D conversion method
select bit
0 : Without sample and hold
1 : With sample and hold
O O
O O
Reserved
Must always be set to "0"
0 0 0
b7 b0 b6 b5 b4 b3 b2 b1
Function
R W
_ _
Symbol Address
ADi (i = 0 to 2) 03C0
16
to 3C1
16
, 03C2
16
to 3C3
16
, 03C4
16
to 3C5
16
Indeterminate
ADi (i = 3 to 5) 03C6
16
to 3C7
16
, 03C8
16
to 3C9
16
, 03CA
16
to 3CB
16
Indeterminate
ADi (i = 6 to 7) 03CC
16
to 3CD
16
, 03CE
16
to 3CF
16
Indeterminate
When reset
AD register i (i = 0 to 7)
b7
(b15)
(b8)
b0 b7 b0
O
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.
O
_ _
Nothing is assigned.
Write “0” when writing to these bits. The values are indeterminate when read.
_ _
Nothing is assigned.
Write “0” when writing to this bit. The value is indeterminate when read.
_ _
Nothing is assigned.
Write “0” when writing to this bit. The values are indeterminate when read.
O O
Reserved
Must always be set to "0"