Interfaces; I2C; Usb - Cardo Systems PRO1 User Manual

Interfaces

I2C

Pin number Function
8 I2C SCLK
7 I2C SDIO
Function Pin
I2C High
J2 pin 7,8
I2C Low

USB

Pin number Function
13 GND
12 Power from battery
11
USB D-
10 USB D+
USB power on reset
9
initiator - USB Vbus
Function Pin
I2C High
J2 pin 7,8
I2C Low
USB D+/-
High
J2 pin 10,11
USB D+/-
Low
USB D+/-
High
J2 pin 10,11
USB D+/-
Low
In/Out
Digital state
signal
Strong pull
I/O
up
In/Out
Digital state
signal
Strong pull
I/O
up
I NA
O NA
Min Typ
2
Min Typ
2
0.7xUSB
2.8
0
Max Unit
V
0.4 V
Max Unit
V
0.4 V
V
0.3xUSB V
USB V
0.2 V
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