Renesas M16C/64A Series User Manual page 650

M16C/64A Group
VREF
AVSS
PM00
PM01
Port P0 group
PM01 to PM00 = 00b
ADGSEL1 to 0
= 10b
AN0_0
= 10b
AN0_1
= 10b
AN0_2
= 10b
AN0_3
= 10b
AN0_4
= 10b
AN0_5
= 10b
AN0_6
= 10b
AN0_7
Port P2 group
PM01 to PM00 = 00b
ADGSEL1 to 0
= 11b
AN2_0
= 11b
AN2_1
= 11b
AN2_2
= 11b
AN2_3
= 11b
AN2_4
= 11b
AN2_5
= 11b
AN2_6
= 11b
AN2_7
Sampling timing signal
AINRST0
AINRST1
CH2 to CH0: Bits in the ADCON0 register
ADEX1 to ADEX0, ADSTBY: Bits in the ADCON1 register
ADGSEL1 to ADGSEL0: Bits in the ADCON2 register
PM01 to PM00: Bits in the PM0 register
Figure 27.1 A/D Converter Block Diagram
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
Analog circuit
0
1
ADSTBY
Successive conversion register
AD0 register
AD1 register
AD2 register
AD3 register
AD4 register
AD5 register
AD6 register
AD7 register
Data bus
Port P10 group
ADEX1 to 0
CH2 to CH0
= 000b
= 00b
= 00b = 001b
= 010b
= 00b
= 011b
= 00b
= 100b
= 00b
= 101b
= 00b
= 110b
= 00b
= 111b
= 00b
ADEX1 to 0
CH2 to CH0
= 00b = 000b
= 00b = 001b
= 010b
= 00b
= 011b
= 00b
= 100b
= 00b
= 101b
= 00b
= 110b
= 00b
= 111b
= 00b
Open-circuit detection assist
function timing generator
ADCON1 register
ADCON0 register
Decoder
for register
ADCON2 register
ADGSEL1 to 0 ADEX1 to 0
= 00b
= 00b
AN0
= 00b
= 00b
AN1
= 00b = 00b
AN2
= 00b = 00b
AN3
= 00b = 00b
AN4
= 00b = 00b
AN5
= 00b = 00b
AN6
= 00b = 00b
AN7
ADEX1 to ADEX0 = 01b
ANEX0
ADEX1 to ADEX0 = 10b
ANEX1
Switch charge/discharge
VREF
AVSS
27. A/D Converter
Vref
Decoder
for channel
selection
VIN
CH2 to CH0
= 000b
= 001b
= 010b
= 011b
= 100b
= 101b
= 110b
= 111b
2 cycles of φAD
Page 617 of 800
Comparator