Freescale Semiconductor NXP CodeWarrior USB TAP, Руководство пользователя, Страница: 27 / 54

27 USB TAP Users Guide
B
DPI Connector Information
The USB TAP for DPI has a 10-pin connector. The CodeWarrior USB TAP for DPI
automatically supports target signal levels from 1.8V to 3.3V.
Figure B.1 shows the pin assignments of the CodeWarrior USB TAP for DPI connector.
Table B.1 lists DPI signal names, direction, pin numbers, descriptions, and drive
capabilities for the USB TAP DPI Connector.
Table B.2 provides a general description of each DPI signal and the USB TAP for DPI
operational requirements.
NOTE All DPI signals must meet accepted standards for DPI signal design. To ensure
proper and stable operation between the USB TAP for DPI emulator and the
target, the DPI signals must meet the requirements listed in
Table B.2 .
Figure B.1 CodeWarrior USB TAP for DPI Connector Pin Assignments
To connect the CodeWarrior USB TAP for DPI connector to a DPI header:
1. Turn off power to the target system.
2. Make sure all 10 pins on the USB TAP for DPI connector socket are properly aligned
with the DPI header on the target.
3. Gently but firmly press the USB TAP for DPI connector onto the header on the target.
CAUTION Failure to properly connect the USB TAP for DPI emulator to the target
may damage the USB TAP for DPI emulator or the target system. Verify
all connections before applying power.
SRST
DSCK
VFLS1/FRZ
DSDI
DSDO
VFLS0/FRZ
GND
GND
HRST
VDD
1
3
5
7
9
2
4
6
8
10 DSDO
U SB_TA P.book Page 27 Thursday, N ovem ber 10, 2005 2:27 PM