Datasheet

78K0/Kx2-L CHAPTER 12 A/D CONVERTER
R01UH0028EJ0400 Rev.4.00 412
Sep 27, 2010
(5) Analog input channel specification register (ADS)
This register specifies the input channel of the analog voltage to be A/D converted.
ADS can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Remark A/D converter analog input pins differ depending on products.
• 78K0/KY2-L: ANI0 to ANI3
• 78K0/KA2-L (20-pin products): ANI0 to ANI5
• 78K0/KA2-L (25-pin products): ANI0 to ANI6
• 78K0/KA2-L (32-pin products): ANI0 to ANI10
• 78K0/KB2-L: ANI0 to ANI3, ANI8 to ANI10
• 78K0/KC2-L (40-pin product): ANI0 to ANI6, ANI8 to ANI10
• 78K0/KC2-L (44-pin and 48-pin products): ANI0 to ANI10
Figure 12-8. Format of Analog Input Channel Specification Register (ADS)
ADS0ADS1ADS2ADS3
ADS0ADS1ADS2ADS3
00ADOAS0
Analog input
channel
Input source
ANI0
ANI1
ANI2
ANI3
ANI4
ANI5
ANI6
ANI7
ANI8
ANI9
ANI10
PGAOUT
Note
P20/ANI0 pin
P21/ANI1 pin or
operational amplifier 0
output signal
Note
P22/ANI2 pin
P23/ANI3 pin
P24/ANI4 pin
P25/ANI5 pin
P26/ANI6 pin
P27/ANI7 pin
P10/ANI8 pin or
P70/ANI8 pin
P11/ANI9 pin or
P71/ANI9 pin or
operational amplifier 1
output signal
Note
P12/ANI10 pin or
P72/ANI10 pin
PGA output signal
Note
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
ADOAS0
<0><1><2><3>45<6>7
ADS
Address: FF0EH After reset: 00H R/W
Symbol
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
Setting prohibitedOther than above
Note Setting permitted in products with operational amplifier
<R>
<R>