M16C65 Datasheet, PDF (687/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
27. A/D Converter
VREF
AVSS
0
1
ADSTBY
Analog circuit
Successive conversion register
ADCON1 register
ADCON0 register
AD0 register (16 bits)
AD1 register (16 bits)
AD2 register (16 bits)
AD3 register (16 bits)
AD4 register (16 bits)
AD5 register (16 bits)
AD6 register (16 bits)
AD7 register (16 bits)
Decoder
for register
PM00
PM01
Data bus (high-order)
Data bus (low-order)
ADCON2 register
Port P0 group
PM01 to PM00 = 00b
AN0_0
AN0_1
AN0_2
AN0_3
AN0_4
AN0_5
AN0_6
AN0_7
ADGSEL1.0 ANEX1.0 CH2 to CH0
= 10b = 00b = 000b
= 10b = 00b = 001b
= 10b = 00b = 010b
= 10b = 00b = 011b
= 10b = 00b = 100b
= 10b = 00b = 101b
= 10b = 00b = 110b
= 10b = 00b = 111b
Port P2 group
PM01 to PM00 = 00b
AN2_0
AN2_1
AN2_2
AN2_3
AN2_4
AN2_5
AN2_6
AN2_7
ADGSEL1.0 ANEX1.0 CH2 to CH0
= 11b = 00b = 000b
= 11b = 00b = 001b
= 11b = 00b = 010b
= 11b = 00b = 011b
= 11b = 00b = 100b
= 11b = 00b = 101b
= 11b = 00b = 110b
= 11b = 00b = 111b
ANEX0
ANEX1
Decoder
for channel
selection
Port P10 group
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
ADGSEL1.0 ANEX1.0 CH2 to CH0
= 00b = 00b = 000b
= 00b = 00b = 001b
= 00b = 00b = 010b
= 00b = 00b = 011b
= 00b = 00b = 100b
= 00b = 00b = 101b
= 00b = 00b = 110b
= 00b = 00b = 111b
ADEX1 to ADEX0 = 01b
ADEX1 to ADEX0 = 10b
Figure 27.1 A/D Converter Block Diagram
Vref
Comparator
VIN
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
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