4.3 I2C Address Mapping
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
J721E EVM Hardware Architecture
SPRUIS4D – MAY 2020 – REVISED MARCH 2022
Jacinto7 J721E/DRA829/TDA4VM Evaluation Module (EVM)
29
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