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Thermal
Monitor
S A56004ED
I2C1_CH2
I2C1_CH3
3V3
THE RM_ALARM_B
I2C1_CH1
I2C1_CH0
DDR 1 uDIMM2
DDR 1
S PD
Addr
0x51
3V3
1V8
1V8
3V3
S ystem ID
AT24C02C
I2C R CW
BootSeq
AT24C512C
I2C1_CH7
I2C1_CH4
I2C1_CH5
3V3
Addr
0x57
Addr
0x50
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
VDD Current
INA220
Addr
0x40
Addr
0x4C
3V3
3V3
3V3
Retimer #1
DS 125DF111
3V3
3V3
3V3
XFI Conn: FTLX1371D3-BCL
3V3
3V3
3V3
THE RM_WARN_B
DDR 1 uDIMM2
CFG_WP
S lot1: PCIe m.2
S lot1: PCIe m.2
IDT
5P49V5907
Addr
0x6A
1V8
S lot2/3: PCIe/S ATA m.2
S lot2/3: PCIe/S ATA m.2
NXP
VR500
Addr
0x08
1V8
RTC
P CF2129AT
3V3
Addr
0x51
VBAT
3V3
3V3
3V3
I2C1_CH6
MikroClick Module-1
MikroClick Module-1
MikroClick Module-2
MikroClick Module-2
1V8
NXP
S GTL5000
From PCA9847
Figure 17. I2C1 channels
The following table describes the devices available on each of the eight I2C1 channels.
Table 15. I2C1 bus device map
I2C bus
7-bit address
Device
Description
Notes
(All)
-
I2C master
LS1028ARDB
0x66
I2C slave
CPLD
I2C access to CPLD
BCSRs (registers).
0x77
NXP PCA9847PWJ
I2C bus multiplexer
(primary)
Converts I2C1 bus into
eight channels
I2C1_CH0
0x50
Atmel AT24C512C-XHD-
B: 64 KB EEPROM
UEFI/ boot memory
Provides I2C booting
option. Write protectable.
Table continues on the next page...
LS1028ARDB Functional Description
QorIQ LS1028A Reference Design Board Reference Manual, Rev. b, 11/2018
36
COMPANY CONFIDENTIAL
NXP Semiconductors
Содержание QorIQ LS1028A
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