Peripheral Expansion Connectors
Technical Summary, Rev. 2
Freescale Semiconductor
2-33
Preliminary
2.15.8 A/D Port A Expansion Connector
The eight-channel Analog-to-Digital conversion Port A is attached to this connector. Refer to
for connection information. There is a Resistor/Connector (R/C) network on each of
the Analog Port A input signals; see
Table 2-23. A/D Port A Connector Description
J9
Pin #
Signal
Pin #
Signal
1
AN0
2
AN1
3
AN2
4
AN3
5
AN4
6
AN5
7
AN6
8
AN7
9
GNDA
10
+V
REFH
To Processor’s Analog
Port
100 ohm
Analog Input
0.0022uF
Figure 2-14. Typical Analog Input RC Filter