CRD5378
DS639RD2
23
.
Pin #
Pin Name Assignment Description
1
P0.1
SYNC
SYNC signal output
2
P0.0
SYNC_IO
SYNC signal input from RS-485
3 GND
Ground
4
D+
USB differential data transceiver
5
D-
USB differential data transceiver
6
VDD
+3.3 V power supply input
7
REGIN
+5 V power supply input
8 VBUS
USB
voltage
sense
input
Pin #
Pin Name Assignment
Description
9 /RST
C2CK
RESETz
Power on reset output, active low
Clock input for debug interface
10 P3.0
C2D
GPIO General
purpose
I/O
Data in/out for debug interface
11 P2.7
AIN-
ADC
input
12 P2.6
AIN+
ADC
input
13 P2.5
GPIO
General
Purpose I/O (unused in CRD5378)
14
P2.4
MODE2
CS5373A mode control
15
P2.3
MODE1
CS5373A mode control
16
P2.2
MODE0
CS5373A mode control
Pin #
Pin Name Assignment
Description
17 P2.1
GPIO
General
Purpose I/O (unused in CRD5378)
18
P2.0
GPIO
General Purpose I/O (CS5378 RESETz)
19
P1.7
BYP_EN
I2C bypass switch control
20
P1.6
SDA_DE
I2C data driver enable
21
P1.5
SCL
I2C clock in/out
22
P1.4
SDA
I2C data in/out
23
P1.3
SS
SPI chip select output, active low
24
P1.2
MOSI
SPI master out / slave in
Pin #
Pin Name Assignment
Assignment
25
P1.1
MISO
SPI master in / slave out
26 P1.0
SCK
SPI
serial
clock
27
P0.7
Internal VREF bypass capacitors
28
P0.6
DRDYz
Data ready input, active low
29 P0.5
RX
UART
receiver
30 P0.4
TX
UART
transmitter
31 P0.3
4.096MHZ
External
clock
input
32
P0.2
TIMEB
Time Break output
Summary of Contents for CRD5378
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