UM10375 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 3 — 14 June 2011 349 of 368
NXP Semiconductors
UM10375
Chapter 22: LPC13xx Serial Wire Debug (SWD)
The VTREF pin on the SWD connector enables the debug connector to match the target voltage.
Fig 66. Connecting the SWD pins to a standard SWD connector
RESET
Signals from SWD connector
SWDIO
SWCLK
SWO
VDD
Gnd
VTREF
SWDIO
SWCLK
SWO
nSRST
GND
LPC1xxx
ISP entry
PIO0_1