NXP Semiconductors QorIQ LS1043ARDB - ARM;JTAG Architecture; CMSIS-DAP Debug Adapter

TCK/TMS/TDI/TDO
1
2
3
4
5
6
Key
No pin
8
9 10
Physical
pinout
1
LS1043A
TMS
TCK
TDO
NC
GND_DETECT
JTAG_RST
CPLD
TDI
Buffer
and level
shifter
SDA_SWD_EN
K22 MCU
+ 1.8 V
Cortex debug 10-pin connector
2
3
4
5
6
8
9
10
7
TCK/TMS/TDI/TDO
Figure 5-1. ARM/JTAG architecture
The LS1043ARDB has a JTAG header (J16) that helps the LS1043A processor to
communicate externally with CodeWarrior TAP.
5.2
CMSIS-DAP
This section describes the MBED circuit on the LS1043ARDB. MBED is an open
standard serial and debug adapter. It bridges serial and debug communications between a
USB host and an embedded target processor, as shown in the figure below.
CMSIS-DAP
QorIQ LS1043A Reference Design Board Reference Manual, Rev. 4, 11/2017
48 NXP Semiconductors