Texas Instruments J721E User Manual

4.3 I2C Address Mapping
Table 4-2 shows the complete I2C address mapping details on the EVM.
Table 4-2. J721E EVM I2C Table
J721E EVM I2C Table
Board I2C Port Device/Function Part# I2C Address
EVM/SoM WKUP_I2C0 PMIC O917A131TRGZTQ1 0x58-5B
EVM/SoM WKUP_I2C0 PMIC LP873200RHDTQ1 0x62
EVM/SoM WKUP_I2C0 PMIC LP87524BRNFTQ1 0x60
EVM/SoM WKUP_I2C0 PMIC LP87561IRNFTQ1 0x61
EVM/SoM WKUP_I2C0 Board ID EEPROM CAT24C256W 0x50
EVM/CPB WKUP_I2C0 Board ID EEPROM CAT24C256W 0x53
EXP/QSGMII WKUP_I2C0 Board ID EEPROM CAT24C256W 0x54
EVM/CPB MCU_I2C0 BOOT EEPROM AT24CM01 0x50,51
EVM/SoM MCU_I2C0 Temperature Sensors 1 TMP100NA/3K 0x48
EVM/SoM MCU_I2C0 Temperature Sensors 2 TMP100NA/3K 0x49
EVM/CPB SoC_I2C0 Peripheral Clock Generator CDCEL937-Q1 0x6D
EVM/CPB SoC_I2C0 RTC Module MCP79410 0x57,6F
EVM/CPB SoC_I2C0 Apple Authentication Header/Footprint 2214BR‐10G 0x10, 0x11
EVM/CPB SoC_I2C0 SERDES REF CLK GEN - 2 CDCI6214 0x76
EVM/CPB SoC_I2C0 16 bit I2C GPIO Expander-1 TCA6416ARTWR 0x20
EVM/CPB SoC_I2C0 24 bit I2C GPIO Expander-2 TCA6424ARGJR 0x21
EVM/CPB SoC_I2C0 I2C MUX for both x2LANE and x1LANE PCIe Interface TCA9543APWR 0x70
EVM/CPB SoC_I2C0 I2C MUX for M.2 PCIe Connector (2 L PCIe Gen4-
SERDES2)
TCA9543APWR 0x71
EVM/CPB SoC_I2C0 MLB Physical Interface Board <connector interface>
EXP/QSGMII SoC_I2C0 Clock Generator on Quad ENET Board CDCI6214 TBD
EVM/CPB SoC_I2C1 8 bit I2C GPIO Expander-4 TCA6408ARGTR 0x20
EVM/CPB SoC_I2C1 FPD Link-IV Serializer (DSI) DS90UH981-Q1 0x0E
EVM/CPB SoC_I2C1 DSI FPC CONNECTOR
INTERFACE
TBD
EVM/CPB SoC_I2C2 Current Monitors 1(PM1_I2C) INA226 0x40-0x4F
EVM/CPB SoC_I2C2 Current Monitors 2(PM2_I2C) INA226 0x40-0x4F
EVM/CPB SoC_I2C2 Test Automation Header <connector interface>
EVM/CPB SoC_I2C3 8 bit I2C GPIO Expander-3 TCA6408ARGTR 0x20
EVM/CPB SoC_I2C3 Audio Codec - 1 PCM3168A-Q1 0x44
EVM/CPB SoC_I2C3 FPD Link-III De-serializer (McASP) DS90UB926Q-Q1 0x2C
EVM/CPB SoC_I2C6 8 bit I2C GPIO Expander-5 TCA6408ARGTR 0x20
www.ti.com J721E EVM Hardware Architecture
SPRUIS4D – MAY 2020 – REVISED MARCH 2022
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Texas Instruments J721E Specifications

General

Brand	Texas Instruments
Model	J721E
Category	Motherboard
Language	English