a
ADuC814 Evaluation Board Reference Guide
Version 1.0 (5/1/02)
Page 7 of 10
4.0 E
XTERNAL
J
UNCTIONS
C
ONNECTORS
All Ports Pins, Timer I/O and Device Interface Signals are brought out to external connection points for
easy connection via the prototype area or external instruments as detailed below.
J7 Analog I/O Connector
The analog I/O connector J7 carries all ADC inputs and DAC output channels as well as the external
V
REF
and C
REF
inputs. The pinout and orientation of this connector is shown below.
Pin
Function
1
ADC0
2
ADC1
3
ADC2
4
ADC3
5
ADC4/DAC0
6
ADC5/DAC1
7
C
REF
(Buffered)
8
V
REF
9
AV
DD
10
AGND
Table 1: Pin functions for Analog I/O connector J7
J5 (Port 3, Port 1.0 and Port 1.1)
This 10 way connector allows easy access to the general purpose port pins P3.0 – P3.7, P1.0 and P1.1 to
and from the ADuC814. The exact pinout of this port is shown in the file 814sch.pdf.
Pin
Function
1
P3.0
2
P3.1
3
P3.2
4
P3.3
5
P3.4
6
P3.5
7
P3.6
8
P3.7
9
P1.0
10
P1.1
Table 1: Pin functions for Analog I/O connector J7
