Renesas M16C/62P Series Hardware Manual page 250

M16C/62P Group (M16C/62P, M16C/62PT)
A/D Control Register 0
b7 b6 b5 b4 b3 b2 b1 b0
NOTES :
1. If the ADCON0 register is rew ritten during A/D conversion, the conversion result w ill be indeterminate.
A/D Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
NOTES :
1. If the ADCON1 register is rew ritten during A/D conversion, the conversion result w ill be indeterminate.
2. If the VCUT bit is reset from "0" (Vref unconnected) to "1" (Vref connected), w ait for 1 µs or more before starting
A/D conversion.
Figure 18.2 ADCON0 to ADCON1 Registers
Rev.2.41 Jan 10, 2006
REJ09B0185-0241
http://www.xinpian.net
(1)
Symbol Address
03D6h
ADCON0
Bit Symbol Bit Name
CH0 Analog Input Pin Select Bit
CH1
CH2
A/D Operation Mode Select Bit 0
MD0
MD1
Trigger Select Bit
TRG
A/D Conversion Start Flag
ADST
Frequency Select Bit 0
CKS0
(1)
Symbol Address
03D7h
ADCON1
Symbol Address
SCAN0 A/D Sw eep Pin Select Bit
SCAN1
A/D Operation Mode Select Bit 1 0 : Any mode other than repeat sw eep mode 1
MD2
8/10-Bit Mode Select Bit
BITS
CKS1 Frequency Select Bit 1
Vref Connect Bit
VCUT
OPA0 External Op-Amp Connection
Mode Bit
OPA1
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Function varies w ith each operation mode
b4 b3
0 0 : One-shot mode
0 1 : Repeat mode
1 0 : Single sw eep mode
1 1 : Repeat sw eep mode 0 or
Repeat sw eep mode 1
0 : Softw are trigger
________
1 : ADTRG trigger
0 : A/D conversion disabled
1 : A/D conversion started
Refer to NOTE 3 for the ADCON2 Register
Function varies w ith each operation mode
1 : Repeat sw eep mode 1
0 : 8-bit mode
1 : 10-bit mode
Refer to NOTE 3 for the ADCON2 Register
(2)
0 : Vref not connected
1 : Vref connected
Function varies w ith each operation mode
18. A/D Converter
After Reset
00000XXXb
Function
After Reset
00h
After Reset
010-62245566 13810019655
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW