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12.1.3
Pin Configuration
Table 12.1 shows the A/D converter pin configuration.
Table 12.1 Pin Configuration
Name
Analog power supply pin* AV
Analog ground pin*
Analog input pin 0*
Analog input pin 1*
Analog input pin 2*
Analog input pin 3*
Analog input pin 4
Analog input pin 5
Analog input pin 6
Analog input pin 7
External trigger input pin
Note:
*
The analog power supply pin, analog ground pin, and analog input pins 0 to 3 are
functions of the H8/3857 Group only, and are not provided in the H8/3854 Group.
In the H8/3854 Group, the analog power supply pin is the power supply pin (V
the analog ground pin is the ground pin (V
12.1.4
Register Configuration
Table 12.2 shows the A/D converter register configuration.
Table 12.2 Register Configuration
Name
A/D mode register
A/D start register
A/D result register
Abbr.
I/O
Function
Input
Power supply and reference voltage of analog part
CC
AV
Input
Ground and reference voltage of analog part
SS
AN
Input
Analog input channel 0
0
AN
Input
Analog input channel 1
1
AN
Input
Analog input channel 2
2
AN
Input
Analog input channel 3
3
AN
Input
Analog input channel 4
4
AN
Input
Analog input channel 5
5
AN
Input
Analog input channel 6
6
AN
Input
Analog input channel 7
7
ADTRG
Input
External trigger input for starting A/D conversion
Abbr.
AMR
ADSR
ADRR
).
SS
R/W
Initial Value
R/W
H'30
R/W
H'7F
R
Undefined
Rev.3.00 Jul. 19, 2007 page 317 of 532
12. A/D Converter
), and
CC
Address
H'FFC4
H'FFC6
H'FFC5
REJ09B0397-0300
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