T1023
I2C1-SCL
3.3 V
3.3 V
Vcore Current Sense
INA220A
SCL
SDA
I
2
C Address = 0x41
12V Current Sense
INA220A
Mini PCle 1
PCle x1
Connector
I
2
C Address is dependent
by PCle card
MC34VR500
PMIC
DS1339U-33+
I
2
C RTC
I2C1-SDA
I
2
C EEROM
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
M24256
I2C2-SCL
I2C2-SDA
I
2
C Address = 0x40
I
2
C Address is dependent
by PCle card
Mini PCle 2
PCle x1
Connector
I
2
C Address = 0x08
I
2
C Address = 0x68
I
2
C Address = 0x50
GPIO Expander for
selecting NOR BANK
I
2
C Address = 0x20
Figure 2-8. I2C subsystem
The table below shows all the I2C device and address information on T1023RDB-PC.
Table 2-3. I2C Bus connections
I2C Bus
I2C Address
Manufactur
er
Device
Comment
I2C1
0x50
ST
Microelectron
ics
M24256
Stores configuration register's value
I2C1
0x68
Dallas
DS1339U-33+
Real time clock
I2C1
0x08
Freescale
MC34VR500
PMIC
I2C1
Mini PCIe 2 PCIe x1
Connector
I2C address is dependent on PCIe
card
I2C2
0x41
Linear
INA220A
core current measurement
Table continues on the next page...
Chapter 2 Architecture
QorIQ T1023 Reference Design Board User Guide, Rev. 0, 08/2015
Freescale Semiconductor, Inc.
19
Содержание QorIQ T1023
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