M16C26 Datasheet, PDF (160/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative
A-D Converter
and
subject to change.
SINGLE-CHIP 16-BIT
M16C/26 Group
CMOS MICROCOMPUTER
A-D conversion rate
CKS2=0
selection
CKS1=1
CKS0=1
øAD
1/2
1/2
CKS1=0
fAD
1/3
CKS0=0
CKS2=1
VREF
AVSS
VCUT=0
VCUT=1
Resistor ladder
Successive conversion register _{A-D control register 1}
(address 03D716)
Addresses
(03C116, 03C016)
(03C316, 03C216)
(03C516, 03C416)
(03C716, 03C616)
(03C916, 03C816)
(03CB16, 03CA16)
(03CD16, 03CC16)
(03CF16, 03CE16)
A-D register 0(16)
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)
Data bus high-order
PM00
PM01
Data bus low-order
A-D control register 0
(address 03D616)
Decoder
for A-D register
000
A-D control register 2
(address 03D416)
Decoder
for channel
selection
Port P2 group
P100/AN0
P101/AN1
P102/AN2
P103/AN3
P104/AN4
P105/AN5
P106/AN6
P107/AN7
CH2,CH1,CH0
=000
=001
=010
=011
=100
=101
=110
=111
Vref
VIN ^Comparator
Figure 1.16.1. Block diagram of A-D converter
154
Renesas Technology Corp.