Renesas rl78 User Manual
RL78/G1A
CHAPTER 11 A/D CONVERTER
R01UH0305EJ0200 Rev.2.00
364
Jul 04, 2013
11.3.7 Analog input channel specification register (ADS)
This register specifies the input channel of the analog voltage to be A/D converted.
The ADS register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Figure 11-11. Format of Analog Input Channel Specification Register (ADS) (1/2)
Address: FFF31H After reset: 00H R/W
Symbol
7 6 5 4 3 2 1 0
ADS
ADISS 0
0
ADS4 ADS3 ADS2 ADS1 ADS0
{ Select mode (ADMD = 0)
ADISS ADS4 ADS3 ADS2 ADS1 ADS0
Analog
input
channel
Input source
0 0 0 0 0 0
ANI0
P20/ANI0/AV
REFP
pin
0 0 0 0 0 1
ANI1
P21/ANI1/AV
REFM
pin
0 0 0 0 1 0
ANI2
P22/ANI2
pin
0 0 0 0 1 1
ANI3
P23/ANI3
pin
0 0 0 1 0 0
ANI4
P24/ANI4
pin
0 0 0 1 0 1
ANI5
P25/ANI5
pin
0 0 0 1 1 0
ANI6
P26/ANI6
pin
0 0 0 1 1 1
ANI7
P27/ANI7
pin
0 0 1 0 0 0
ANI8
P150/ANI8
pin
0 0 1 0 0 1
ANI9
P151/ANI9
pin
0 0 1 0 1 0
ANI10
P152/ANI10
pin
0 0 1 0 1 1
ANI11
P153/ANI11
pin
0 0 1 1 0 0
ANI12
P154/ANI12
pin
0 0 1 1 0 1
Setting
prohibited
0 0 1 1 1 0
Setting
prohibited
0 0 1 1 1 1
Setting
prohibited
0 1 0 0 0 0
ANI16
P03/ANI16
pin
0 1 0 0 0 1
ANI17
P02/ANI17
pin
0 1 0 0 1 0
ANI18
P10/ANI18
pin
0 1 0 0 1 1
ANI19
P120/ANI19
pin
0 1 0 1 0 0
ANI20
P11/ANI20
pin
0 1 0 1 0 1
ANI21
P12/ANI21
pin
0 1 0 1 1 0
ANI22
P13/ANI22
pin
0 1 0 1 1 1
ANI23
P14/ANI23
pin
0 1 1 0 0 0
ANI24
P15/ANI24
pin
0 1 1 0 0 1
ANI25
P51/ANI25
pin
0 1 1 0 1 0
ANI26
P50/ANI26
pin
0 1 1 0 1 1
ANI27
P30/ANI27
pin
0 1 1 1 0 0
ANI28
P70/ANI28
pin
0 1 1 1 0 1
ANI29
P31/ANI29
pin
0 1 1 1 1 0
ANI30
P41/ANI30
pin
0 1 1 1 1 1
Setting
prohibited
1 0 0 0 0 0
− Temperature
sensor
output
voltage
Note
1 0 0 0 0 1
−
Internal reference voltage
(1.45 V)
(1.45 V)
Note
Other than above
Setting prohibited
Note This setting can be used only in HS (high-speed main) mode. For detail, see Figure 24-3 Format of
User Option Byte (000C2H/010C2H).