Connector And Interface Pin Description; Table 3-1: Isp Uart Interface; Table 3-2: Extension Board Supply; Table 3-3: Apix2 I2C, Spi Slave And Gpio Interface - Inova APIX2 ADK User Manual

3.1.6 Connector and interface pin description

JP5 ISP UART Interface
Pin Signal
1 RXD1
2 TXD1
3 GND
SV1 Power supply for extension boards
Pin Signal
1,3,5,7,9,
11,13,15, GND
17,19
2,4 12V0
14,16 DCDC_3V9
18,20 DCDC_2V1
SV2 APIX2 I2C, SPI slave and GPIO interface
Pin Signal
2,4,6,8,10
GND
,12,14,16
1 AX_I2C_SCL
3 AX_I2C_SD
UM_INAP375R Revision 1.2_A1
User Manual
Description
Receive data for ISP
Transmit data for ISP
Signal ground

Table 3-1: ISP UART Interface

Description
Signal ground
9V - 18V for extension board's DC/DC converter
3.9 V Supply for extension board's 3.3V LDOs
2.1 V Supply for extension board's 1.8V LDOs

Table 3-2: Extension board supply

Description
Signal ground
APIX2 I2C master interface

Table 3-3: APIX2 I2C, SPI slave and GPIO interface

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