M16C1N Datasheet, PDF (135/238 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/10 SERIES

M16C/1N Group
14. A/D Converter
fAD
VSS
VREF
VCUT=0
VCUT=1
CKS0=1
1/2
1/2
CKS0=0
Resistor ladder
CKS1=1
CKS1=0
flAD
A/D conversion rate
selection
Successive conversion register
A/D control register 1 (address 00D716)
Addresses
(00C116, 00C016)
A/D control register 0 (address 00D616)
A/D register (16)
Data bus low-order
Decoder
Vref
VIN ^Comparator
Port P0 group
P07/AN0
P06/AN1
P05/AN2
P04/AN3
P03/AN4
P02/AN5
P01/AN6
P00/AN7
Port P1 group
P10/AN8
P11/AN9
P12/AN10
P13/AN11
CH2,CH1,CH0=000
CH2,CH1,CH0=001
CH2,CH1,CH0=010
CH2,CH1,CH0=011
CH2,CH1,CH0=100
CH2,CH1,CH0=101
CH2,CH1,CH0=110
CH2,CH1,CH0=111
CH2,CH1,CH0=100
CH2,CH1,CH0=101
CH2,CH1,CH0=110
CH2,CH1,CH0=111
P40/ANEX0
P41/ANEX1
Figure 14.1 Block diagram of A/D converter
ADGSEL0=0 OPA1, OPA0=0, 0
ADGSEL0=1
OPA0=1
OPA1=1
OPA1,OPA0=1,1
OPA1,OPA0=0,1
Rev.1.00 Oct 20, 2004 page 123 of 222
REJ09B0007-0100Z