NXP Semiconductors QorIQ LS1028A, Reference Manual, Page: 37 / 112

Table 15. I2C1 bus device map (continued)
I2C bus 7-bit address Device Description Notes
0x51 AT24C04C 512-byte
DDR4 SPD EEPROM SPD data Stores SPD and
temperature data for
DDR4 SDRAM memory.
Write protectable.
0x57 Atmel AT24C02C-XHM-B:
256-byte EEPROM System ID Stores board-specific
data, such as MAC
addresses and serial
number/errata. Write
protectable.
I2C1_CH1
0x0A SGTL5000 32QFN
Low-power stereo
codec
Audio transceiver
providing audio LINEOUT
for stereo speakers
0x6A IDT 5P49V5907 Programmable clock
generator Generates differential
sysclk and reference
clocks for DP, LYNX36
SerDes and PEX M.2
connectors
0x08 NXP MC34VR500V9ES PMIC switched
outputs Generates 1.8 V, 1.35 V,
1.0 V, and 2.5 V
I2C1_CH2
0x40 Texas Instruments
INA220 VDD voltage/current/
power monitor Reports voltage, current,
and power data for VDD
I2C1_CH3
0x4C NXP SA56004ED Thermal monitor Monitors processor
thermal diode
0x51 NXP PCF2129AT Battery-backed clock Provides time and date
functionality with battery
backup option
I2C1_CH4
I2C address is
defined by the
plugged-in PCIe
card PCIe M.2 Key E connector I2C path for the M.2
connector (J16), which
supports Wi-Fi cards on
lane 2 of LYNX36
SerDes.
I2C1_CH5 I2C address is
defined by the
plugged-in PCIe/
SATA card PCIe M.2 Key E / Key B
connector I2C path for the J18 or
J20 M.2 connector which
supports Wi-Fi or SATA
SSD cards, respectively,
on lane 3 of LYNX36
SerDes.
I2C1_CH6 I2C address is
defined by the
plugged-in mikro-
click module MIKROE 1597 BLE / BEE / NFC Provides I2C connectivity
to mikro-click modules on
connectors J29 and J30.
Table continues on the next page...
I2C interface
QorIQ LS1028A Reference Design Board Reference Manual, Rev. b, 11/2018
NXP Semiconductors COMPANY CONFIDENTIAL
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