UM_INAP375R Revision 1.2_A1
Inova Semiconductors Confidential
Page 11 of 37
User Manual
5
AX_SPIS_CS2#
APIX2 SPI slave and GPIO interface. Monitor only if
μ
C access is
enabled (default). To disable
μ
C access to this signals switch on DIP
switch S4.1
7
AX_SPIS_SCK
9
AX_SPIS_SDI
11
AX_SPIS_SDO
13
AX_GPIO_1
15
AX_GPIO_0
SV3
μ
C interface for extension boards
Pin
Signal
Description
1
UC_P1_25
μ
C ports for extension boards
2
UC_P2_13
3
UC_P1_24
4
UC_P2_12
5
UC_P1_23
6
UC_P0_24
7
UC_P1_22
8
UC_P0_23
9
UC_P1_21
10
UC_P0_22
11
DIGITAL_RESET_N
Digital signal reset
12
GND
Signal ground
13
I2C_0_SCL
I2C bus 0
15
I2C_0_SDA
14
I2C_1_SCL
I2C bus 1
16
I2C_1_SDA
Table 3-4: Extension board
μ
C interface
SV2
APIX2 I2C, SPI slave and GPIO interface
Pin
Signal
Description
Table 3-3: APIX2 I2C, SPI slave and GPIO interface