R8C/13 Group
14. A/D Converter
AD control register 2(1)
Symbol
ADCON2
Address
00D416
After reset
b7 b6 b5 b4 b3 b2 b1 b0
0016
0 0 0
Bit symbol
SMP
Bit name
Function
RW
RW
0 : Without sample and hold
1 : With sample and hold
AD conversion method
select bit
Reserved bit
Set to “0”
RW
(b3-b1)
(b7-b4)
Nothing is assigned.
When write, write “0”. When read, its content is “0”.
NOTES:
1. If the ADCON2 register is rewritten during A/D conversion, the conversion result is indeterminate.
Symbol
AD
Address
00C116-00C016 Indeterminate
After reset
AD register
(b15)
b7
(b8)
b0 b7
b0
Function
When BITS bit in ADCON1
register is set to “1” (10-bit
mode)
When BITS bit in ADCON1
register is set to “0” (8-bit
mode)
RW
A/D conversion result
8 low-order bits of A/D
conversion result
RO
RO
When read, its content is
indeterminate.
2 high-order bits of A/D
conversion result
Nothing is assigned.
When write, set to “0”. When read, its content is “0”.
Figure 14.3 ADCON2 Register and AD Register
Rev.1.20 Jan 27, 2006 page 127 of 205
REJ09B0111-0120