Renesas M16C Series User Manual

A-D Converter
M30240 Group
Rev.1.00 Sep 24, 2003 Page 231 of 360
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
Figure 2.76: A-D converter related register (1)
004E
16
A-D conversion interrupt control register ADIC
03C0
16
A-D register 0 AD0
03C1
16
03C2
16
A-D register 1 AD1
00C3
16
03C4
16
A-D register 2 AD2
03C5
16
03C6
16
A-D register 3 AD3
03C7
16
03C8
16
A-D register 4 AD4
03C9
16
03CA
16
A-D register 5 AD5
03CB
16
03CC
16
A-D register 6 AD6
03CD
16
03CE
16
A-D register 7 AD7
03CF
16
03D4
16
A-D control register 2 ADCON2
03D5
16
03D6
16
A-D control register 0 ADCON0
03D7
16
A-D control register 1 ADCON1
A-D control register 0 (Note 1)
Symbol
Address When reset
ADCON0
03D6
16 00000XXX2
b7 b6 b5 b4 b3 b2 b1 b0
Analog input pin select bit
0 0 0 : AN
0 is selected
0 0 1 : AN
1 is selected
0 1 0 : AN
2 is selected
0 1 1 : AN
3 is selected
1 0 0 : AN
4 is selected
1 0 1 : AN
5 is selected
1 1 0 : AN
6 is selected
1 1 1 : AN
7 is selected (Note 2)
CH0
Bit symbol Bit name Function
CH1
CH2
A-D operation mode
select bit 0
0 0 : One-shot mode
0 1 : Repeat mode
1 0 : Single sweep mode
1 1 : Repeat sweep mode 0
Repeat sweep mode 1 (Note 2)
MD0
MD1
Trigger select bit
0 : Software trigger
1 : AD
TRG trigger
TRG
ADST
A-D conversion start flag
0 : A-D conversion disabled
1 : A-D conversion started
Frequency select bit 0
0 : f
AD/4 is selected
1 : f
AD/2 is selected
CKS0
WR
b2 b1 b0
b4 b3
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is
indeterminate.
Note 2: When changing A-D operation mode, set analog input pin again.
A-D control register 0 (Note 1)
Symbol
Address When reset
ADCON0
03D6
16 00000XXX2
b7 b6 b5 b4 b3 b2 b1 b0
Analog input pin select bit
0 0 0 : AN
0 is selected
0 0 1 : AN
1 is selected
0 1 0 : AN
2 is selected
0 1 1 : AN
3 is selected
1 0 0 : AN
4 is selected
1 0 1 : AN
5 is selected
1 1 0 : AN
6 is selected
1 1 1 : AN
7 is selected (Note 2)
CH0
Bit symbol Bit name Function
CH1
CH2
A-D operation mode
select bit 0
0 0 : One-shot mode
0 1 : Repeat mode
1 0 : Single sweep mode
1 1 : Repeat sweep mode 0
Repeat sweep mode 1 (Note 2)
MD0
MD1
Trigger select bit
0 : Software trigger
1 : AD
TRG trigger
TRG
ADST
A-D conversion start flag
0 : A-D conversion disabled
1 : A-D conversion started
Frequency select bit 0
0 : f
AD/4 is selected
1 : f
AD/2 is selected
CKS0
WR
b2 b1 b0
b4 b3
Note 1: If the A-D control register is rewritten during A-D conversion, the conversion result is
indeterminate.
Note 2: When changing A-D operation mode, set analog input pin again.

Renesas M16C Series Specifications

General

Brand	Renesas
Model	M16C Series
Category	Computer Hardware
Language	English