Datasheet

LPC3220_30_40_50 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 2.1 — 24 June 2014 72 of 80
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
Fig 24. Circuit for holding JTAG_NTRST LOW during POR
aaa-013571
JTAG_NTRST
LPC32x0
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_RTCK
JTAG_TDO
RESET
JTAG_nTRST
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_RTCK
JTAG_TDO
JTAG_nTRST
HDR-1x02
VDD_IOD +3.3 V
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_RTCK
JTAG_TDO
JTAG_nSRST
JTAG_DBGRQ
JTAG_DBGACK
JTAG_nSRST
1
3
BAT54C.215
LPC_nRESET
10 kΩ
Ω
Ω
10 kΩ 10 kΩ 10 kΩ 10 kΩ
10 kΩ
100 kΩ
10 kΩ 10 kΩ 10 kΩ
10 kΩ 33 Ω
VDD_RTC
6
4
1Y
2Y
1A
1
3
2
5
7
9
11
13
15
17
19
2A
2
1
3
nRESET
Pwr-On-Reset
GND
JTAG connector
VCC
+3.3 V
1
3
GND
74LVC2G07W
D2520-6002-AR
APX809-26SA
VCC
2
5
VDD_IOD
BOARD_RESET
4
6
8
10
12
14
16
18
20