Renesas M16C/29 Series User Manual

15. A/D Converter
puorG92/C61M
page 223
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2110-1010B90JER
Figure 15.1 A/D Converter Block Diagram
=000 2
=001 2
=010 2
=011 2
=100 2
=101 2
=110 2
=111 2
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN00
AN01
AN02
AN03
AN04
AN05
AN06
AN07
Vref
V IN
CH2 to CH0
Decoder
for channel
selection
A/D register 0(16)
Data bus low-order
VREF
AVSS
VCUT=0
VCUT=1
Data bus high-order
Port P10 group
ADGSEL1 to ADGSEL0=10 2
ADGSEL1 to ADGSEL0=00 2
ADGSEL1 to ADGSEL0=11 2
fAD
CKS0=1
CKS0=0
CKS1=1
CKS1=0
1/3
CKS2=0
CKS2=1
1/21/2
ø AD
A/D conversion rate
selection
(03C1 16 to 03C0 16 )
(03C3
16 to 03C2 16 )
(03C5
16 to 03C4 16 )
(03C7
16 to 03C6 16 )
(03C9
16 to 03C8 16 )
(03CB
16 to 03CA 16 )
(03CD
16 to 03CC 16 )
(03CF
16 to 03CE 16 )
Resistor ladder
Successive conversion register
ADCON0 register
(address 03D6
16 )
ADCON1 register
(address 03D7
16 )
Comparator 0
Addresses
Decoder
for A/D register
A/D register 1(16)
A/D register 2(16)
A/D register 3(16)
A/D register 4(16)
A/D register 5(16)
A/D register 6(16)
A/D register 7(16)
ADCON2 register
(address 03D4
16 )
Port P0 group
=000 2
=001 2
=010 2
=011 2
=100 2
=101 2
=110 2
=111 2
CH2 to CH0
SSE = 1
CH2 to CH0=001
2
Comparator 1
ADGSEL1 to ADGSEL0=00 2
ADGSEL1 to ADGSEL0=10 2
ADGSEL1 to ADGSEL0=11 2
VIN1
Port P1/Port P9
group
AN20
AN21
AN22
AN23
AN24
AN25
AN26
AN27
=000 2
=001 2
=010 2
=011 2
=100 2
=101 2
=110 2
=111 2
CH2 to CH0
(Note)
Note: AN 04 to AN 07 , AN 20 to AN 23 , and AN 25 to AN 27 , is available for only 80-pin package.
(Note)
Port P9 group
AN30
AN31
AN32
=000 2
=001 2
=010 2
CH2 to CH0
ADGSEL1 to ADGSEL0=01 2
ADGSEL1 to ADGSEL0=01 2

Renesas M16C/29 Series Specifications

General

Brand	Renesas
Model	M16C/29 Series
Category	Microcontrollers
Language	English