M16C62P_06 Datasheet, PDF (250/421 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

M16C/62P Group (M16C/62P, M16C/62PT)
18. A/D Converter
A/D Control Register 0 ⁽¹⁾
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
Address
After Reset
ADCON0
03D6h
00000XXXb
Bit Symbol
Bit Name
Function
RW
CH0 Analog Input Pin Select Bit
Function varies w ith each operation mode
RW
CH1
RW
CH2
RW
A/D Operation Mode Select Bit 0 b4 b3
MD0
0 0 : One-shot mode
RW
0 1 : Repeat mode
1 0 : Single sw eep mode
MD1
1 1 : Repeat sw eep mode 0 or
RW
Repeat sw eep mode 1
TRG
ADST
CKS0
Trigger Select Bit
A/D Conversion Start Flag
Frequency Select Bit 0
0 : Softw are trigger
________
RW
1 : ADTRG trigger
0 : A/D conversion disabled
1 : A/D conversion started
RW
Ref er to NOTE 3 for the ADCON2 Re gis ter
RW
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 ⁽¹⁾
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
ADCON1
Address
03D7h
After Reset
00h
Symbol
Address
After Reset
RW
SCAN0 A/D Sw eep Pin Select Bit
Function varies w ith each operation mode
RW
SCAN1
RW
A/D Operation Mode Select Bit 1 0 : Any mode other than repeat sw eep mode 1
MD2
1 : Repeat sw eep mode 1
RW
8/10-Bit Mode Select Bit
0 : 8-bit mode
BITS
1 : 10-bit mode
RW
CKS1
VCUT
Frequency Select Bit 1
Vref Connect Bit ⁽²⁾
Refer to NOTE 3 for the ADCON2 Register RW
0 : Vref not connected
1 : Vref connected
RW
OPA0 External Op-Amp Connection Function varies w ith each operation mode
RW
OPA1 ^{Mode Bit}
RW
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 Page 235 of 390
REJ09B0185-0241