Configuration Of Input Pins - Hitachi SH7032 Hardware Manual

14.1.3

Configuration of Input Pins

Table 14.1 lists input pins for the A/D converter. The eight analog input pins are grouped into two
sets. Group 0 comprises analog input pins 0–3 (AN
AN ). Pins AV and AV
CC
7
converter. AV ref is the analog reference voltage for A/D conversion.
Table 14.1 Input Pins
Pin Name
Analog supply voltage
Analog ground
Analog reference
power supply
Analog input 0
Analog input 1
Analog input 2
Analog input 3
Analog input 4
Analog input 5
Analog input 6
Analog input 7
A/D conversion trigger
input
are the power supply pins for the analog circuits of the A/D
SS
Abbreviation I/O
AV I
CC
AV I
SS
AV I
ref
AN0 I
AN1 I
AN2 I
AN3 I
AN4 I
AN5 I
AN6 I
AN7 I
ADTRG
I
–AN ) and group 1 comprises pins 4–7 (AN
0 3
Function
Power supply for the analog circuits
Ground and reference voltage for the analog
circuits
Reference voltage for the analog circuits
Analog input pins, group 0
Analog input pins, group 1
A/D conversion start external trigger input
–
4
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