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J3 Analog I/O Connector
The analog I/O connector J3 provides external connections for all ADC inputs, reference inputs and DAC
outputs. The pinout of the connector is shown below in Table 2.
J5 Power Supply Connections
J5 allows for the connection between the evaluation board and the 9V power supply provided in the
ADuC7020 Development System.
J4 Emulation Connector
J4 provides a connection of the evaluation board to the PC via a JTAG emulator, not included in the
ADuC7020 Development System.
J1 Serial Interface Connector
J1 provides a simple connection of the evaluation board to the PC via a PC serial port cable provided with
the ADuC7020 Development System.
J6 I2C Interfaces Connector
J6 provides a simple access to the two I
Rev. 1.0
ADuC7020 Evaluation Board Reference Guide
(4) E
XTERNAL
Pin #
J3-1
J3-2
J3-3
J3-4
J3-5
J3-6
J3-7
J3-8
J3-9
J3-10
J3-11
J3-12
J3-13
J3-14
Table 2: Pin functions for Analog I/O connector J3
2
C interfaces of the ADuC7020.
Page 8 of 12
C
ONNECTORS
Pin Description
AV
DD
AGND
V
REF
ADC0
ADC1
ADC2
ADC3
ADC4
V
DIFF
V
OCM
DAC0
DAC1
DAC2
DAC3
(4) External Junctions (Connectors)
:
Analog Devices Inc., MicroConverter
www.analog.com/microconverter
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