R5F21133DFP RENESAS [Renesas Technology Corp], R5F21133DFP Datasheet - Page 138

• Manufacturer Part Number: R5F21133DFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

R8C/13 Group
Rev.1.20
REJ09B0111-0120
Figure 14.3 ADCON2 Register and AD Register
( b 1 5 )
b7
A D c o n t r o l r e g i s t e r 2
AD register
b 7 b 6 b 5 b 4 b 3 b 2 b1 b0
N O T E S :
1 . I f t h e A D C O N 2 r e g i s t e r i s r e w r i t t e n d u r i n g A / D c o n v e r s i o n , t h e c o n v e r s i o n r e s u l t i s i n d e t e r m i n a t e .
Jan 27, 2006
0 0 0
page 127 of 205
(b8)
b0
( 1 )
b7
Bit symbol
( b 3 - b 1 )
( b 7 - b 4 )
S M P
S y m b o l
A D C O N 2
Symbol
AD
AD conversion method
select bit
N o t h i n g i s a s s i g n e d .
W h e n w r i t e , w r i t e “ 0 ” . W h e n r e a d , i t s c o n t e n t i s “ 0 ” .
R e s e r v e d b i t
When BITS bit in ADCON1
register is set to “1” (10-bit
mode)
8 low-order bits of A/D
conversion result
N o t h i n g i s a s s i g n e d .
W h e n w r i t e , s e t t o “ 0 ” . W h e n r e a d , i t s c o n t e n t i s “ 0 ” .
2 h i g h - o r d e r b i t s o f A / D
c o n v e r s i o n r e s u l t
Bit name
00C1
b0
A d d r e s s
Address
0 0 D 4
16
-00C0
1 6
16
Function
0 : W i t h o u t s a m p l e a n d h o l d
1 : W i t h s a m p l e a n d h o l d
S e t t o “ 0 ”
Indeterminate
A f t e r r e s e t
After reset
When BITS bit in ADCON1
register is set to “0” (8-bit
mode)
A/D conversion result
When read, its content is
indeterminate.
0 0
1 6
Function
14. A/D Converter
R W
R W
R W
R W
RO
R O