ADuC7024 Evaluation Board Reference Guide
(4)
External Junctions (Connectors)
Rev. 1.0
Analog Devices Inc., MicroConverter
Page 9 of 15
www.analog.com/microconverter
The digital I/O connector J2 provides external connections for all GPIOs. The pinout of the connector is
shown below in Table 3, with details of the pin functions.
Pin #
Pin Description
J2-1
P4.5
PLAO[13]
J2-2
P4.4
PLAO[12]
J2-3
P4.3
PLAO[11]
J2-4
P4.2
PLAO[10]
J2-5
P1.0
T1/SIN/SCL0/PLAI[0]
J2-6
P1.1
SOUT/SDA0/PLAI[1]
J2-7
P1.2
RTS/SCL1/PLAI[2]
J2-8
P1.3
CTS/SDA1/PLAI[3]
J2-9
P1.4
IRQ2/RI/CLK/PLAI[4]
J2-10
P1.5
IRQ3/DCD/MISO/PLAI[5]
J2-11
P4.1
PLAO[9]
J2-12
P4.0
PLAO[8]
J2-13
P1.6
DSR/MOSI/PLAI[6]
J2-14
P1.7
DTR/CSL/PLAO[0]
J2-15
P3.7
PWM
SYNC
/PLAI[15]
J2-16
P3.6
PWM
TRIP
/PLAI[14]
Pin #
Pin Description
J2-17
P0.7
ECLK/XCLK/SIN/PLAO[4]
J2-18
P2.0
CONV
START
/SOUT/PLAO[5]
J2-19
P0.5
IRQ1/ADC
BUSY
/PLAO[2]
J2-20
P0.4
IRQ0/PWM
TRIP
/PLAO[1]
J2-21
P3.5
PWM2
L
/PLAI[13]
J2-22
P3.4
PWM2
H
/PLAI[12]
J2-23
P0.3
TRST/ADC
BUSY
J2-24
P3.3
PWM1
L
/PLAI[11]
J2-25
P3.2
PWM1
H
/PLAI[10]
J2-26
P3.1
PWM0
L
/PLAI[9]
J2-27
P3.0
PWM0
H
/PLAI[8]
J2-5
P0.6
T1/MRST/PLAO[3]
J2-28
P0.0
CMP/PLAI[7]
J2-30
P4.7
PLAO[15]
J2-31
P4.6
PLAO[14]
J2-32
DGND
Table 3: Pin functions for digital I/O connector J2
