Renesas M16C Series User Manual page 249

M30240 Group
2.6.1.7 A-D converter and related registers
Figure 2.75 shows the memory map of A-D converter-related registers, and Figure 2.76, Figure 2.77,
and Figure 2.78 show A-D converter-related registers.
Figure 2.75: Memory map of A-D converter related registers
A-D control register 0 (Note 1) A-D control register 0 (Note 1)
b7 b7 b6 b6 b5 b5 b4 b4 b3 b3 b2 b2
Figure 2.76: A-D converter related register (1)
Rev.1.00 Sep 24, 2003 Page 231 of 360
004E A-D conversion interrupt control register
16
03C0
16
A-D register 0
03C1
16
03C2
16
A-D register 1
00C3
16
03C4
16
A-D register 2
03C5
16
03C6
16
A-D register 3
03C7
16
03C8
16
A-D register 4
03C9
16
03CA
16
A-D register 5
03CB
16
03CC
16
A-D register 6
03CD
16
03CE
16
A-D register 7
03CF
16
03D4 A-D control register 2
16
03D5
16
03D6 A-D control register 0
16
03D7
A-D control register 1
16
Symbol Symbol
b1 b1 b0 b0
ADCON0 ADCON0
Bit symbol Bit symbol Bit name Bit name
CH0 CH0
CH1 CH1
Analog input pin select bit Analog input pin select bit
CH2 CH2
MD0 MD0
A-D operation mode A-D operation mode
select bit 0 select bit 0
MD1 MD1
TRG TRG
Trigger select bit Trigger select bit
ADST ADST
A-D conversion start flag A-D conversion start flag
CKS0 CKS0 Frequency select bit 0 Frequency select bit 0
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is
indeterminate. indeterminate.
Note 2: When changing A-D operation mode, set analog input pin again. Note 2: When changing A-D operation mode, set analog input pin again.
ADIC
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
ADCON2
ADCON0
ADCON1
Address Address When reset When reset
03D6 03D6 00000XXX 00000XXX
16 16
Function Function
b2 b1 b0 b2 b1 b0
0 0 0 : AN 0 0 0 : AN is selected is selected
0 0
0 0 1 : AN 0 0 1 : AN is selected is selected
1 1
0 1 0 : AN 0 1 0 : AN is selected is selected
2 2
0 1 1 : AN 0 1 1 : AN is selected is selected
3 3
1 0 0 : AN 1 0 0 : AN is selected is selected
4 4
1 0 1 : AN 1 0 1 : AN is selected is selected
5 5
1 1 0 : AN 1 1 0 : AN is selected is selected
6 6
1 1 1 : AN 1 1 1 : AN is selected is selected
7 7
b4 b3 b4 b3
0 0 : One-shot mode 0 0 : One-shot mode
0 1 : Repeat mode 0 1 : Repeat mode
1 0 : Single sweep mode 1 0 : Single sweep mode
1 1 : Repeat sweep mode 0 1 1 : Repeat sweep mode 0
Repeat sweep mode 1 Repeat sweep mode 1
0 : Software trigger 0 : Software trigger
1 : AD 1 : AD trigger trigger
TRG TRG
0 : A-D conversion disabled 0 : A-D conversion disabled
1 : A-D conversion started 1 : A-D conversion started
0 : f 0 : f /4 is selected /4 is selected
AD AD
1 : f 1 : f /2 is selected /2 is selected
AD AD
A-D Converter
2 2
R R W W
(Note 2) (Note 2)
(Note 2) (Note 2)