Cirrus Logic CDB5378 Manual page 28

Pin # Pin Name
1 P0.1
2 P0.0
3 GND
4 D+
5 D-
6 VDD
7 REGIN
8 VBUS
Pin # Pin Name
9 /RST
C2CK
10 P3.0
C2D
11 P2.7
12 P2.6
13 P2.5
14 P2.4
15 P2.3
16 P2.2
Pin # Pin Name
17 P2.1
18 P2.0
19 P1.7
20 P1.6
21 P1.5
22 P1.4
23 P1.3
24 P1.2
Pin # Pin Name
25 P1.1
26 P1.0
27 P0.7
28 P0.6
29 P0.5
30 P0.4
31 P0.3
32 P0.2
28
Assignment Description
SYNC_IO SYNC signal input from RS-485
SYNC_MC SYNC signal output
Ground
USB differential data transceiver
USB differential data transceiver
+3.3 V power supply input
+5 V power supply input (unused on CDB5378)
USB voltage sense input
Assignment Description
RESETz Power on reset output, active low
Clock input for debug interface
GPIO General purpose I/O
Data in/out for debug interface
AIN- ADC input
AIN+ ADC input
CPLD5_MC General Purpose I/O
CPLD4_MC General Purpose I/O
CPLD3_MC General Purpose I/O
CPLD2_MC General Purpose I/O
Assignment Description
CPLD1_MC General Purpose I/O
CPLD0_MC General Purpose I/O
BYP_EN I2C bypass switch control
SDA_DE I2C data driver enable
SCL I2C clock in/out
SDA I2C data in/out
SS_MCz SPI chip select output, active low
MOSI_MC SPI master out / slave in
Assignment Assignment
MISO_MC SPI master in / slave out
SCK_MC SPI serial clock
Internal VREF bypass capacitors
DRDY_MCz Data ready input, active low
RX UART receiver
TX UART transmitter
CLOCK_MC External clock input
TIMEB_MC Time Break output
CDB5378
DS639DB4