FET Isolation
(IRLML6346)
I2C1
I2C1_SCL
DDR3 DIMM
ADT7
461
(Thermal sensor)
AT24C256
I2C_ADDR=0x51
Mini_PCle SLOT
Mini_PCle SLOT
PCle SLOT
I2C2_SDA
I2C2_SCL
I2C2
PCA9546
Channel 0
I2C_ADDR-0X77
T1040
I2C1_SDA
I2C2_MPEX2_SCL
I2C2_MPEX2_SDA
I2C2_PEX_SCL
I2C2_PEX_SDA
I2C_ADDR=0x4C
I2C_ADDR=0x50
I2C_ADDR=0x08
Test_mode_ADDR=0x0A
I2C_ADDR=0x6A
DVDD
I2C2_MPEX1_SCL
I2C2_MPEX1_SD
A
FET
Isolation
3V3
I2C1_SCL_SLP
IR36021
(C
ore_Power)
IDT9FGV0641
I2C1_SDA_SLP
Channel 1
Channel 2
Channel 3
Figure 2-10. I2C bus connection
2.10 SPI interface
The T1040 serial peripheral interface (SPI) pins are used for the following purposes:
• Onboard SPI device access to various SPI memory devices
SPI interface
QorIQ T1040 Reference Design Board User Guide, Rev. 0, 06/2015
26 Freescale Semiconductor, Inc.
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