
Table 15. I2C bus device map (continued)
I2C bus
I2C address
Device
Manufacturer
Description
I2C address is
defined by the
plugged-in PCIe
card
Standard PCIe x1 slot
I2C4
I2C address is
defined by the
plugged-in PCIe
card
Standard PCIe x1 slot
0x51
PCF2129AT
Pericom
Semiconductor
Real-time clock (RTC)
2.13 JTAG interface
The ARM/JTAG architecture is shown in the figure below.
LS1046A
TMS
TCK
TDO
TDI
K22 MCU
Buffer&
Level
shifter
Figure 17. JTAG architecture
JTAG interface
QorIQ LS1046A Reference Design Board Reference Manual, Rev. 2, 30 May 2019
NXP Semiconductors
35