UM10503
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
226 of 1269
NXP Semiconductors
UM10503
Chapter 14: LPC43xx Pin configuration
DBGEN
L4
K4
A6
41
28
I
I
JTAG interface control signal. Also used for boundary
scan.
TCK/SWDCLK
J5
G5
H2
38
27
I; F
I
Test Clock for JTAG interface (default) or Serial Wire (SW)
clock.
TRST
M4
L4
B4
42
29
I; PU I
Test Reset for JTAG interface.
TMS/SWDIO
K6
K5
C4
44
30
I; PU I
Test Mode Select for JTAG interface (default) or SW
debug data input/output.
TDO/SWO
K5
J5
H3
46
31
O
O
Test Data Out for JTAG interface (default) or SW trace
output.
TDI J4
H4
G3
35
26
I; PU I
Test Data In for JTAG interface.
USB0 pins
USB0_DP
F2
E2
E1
26
18
-
I/O
USB0 bidirectional D+ line. Do not add an external series
resistor.
USB0_DM
G2
F2
E2
28
20
-
I/O
USB0 bidirectional D
line. Do not add an external series
resistor.
USB0_VBUS
F1
E1
E3
29
21
-
I/O
VBUS pin (power on USB cable). This pin includes an
internal pull-down resistor of 64 k
(typical)
16 k
.
USB0_ID
H2
G2
F1
30
22
-
I
Indicates to the transceiver whether connected as an
A-device (USB0_ID LOW) or B-device (USB0_ID HIGH).
For OTG this pin has an internal pull-up resistor.
USB0_RREF
H1
G1
F3
32
24
-
12.0 k
(accuracy 1 %) on-board resistor to ground for
current reference.
USB1 pins
USB1_DP
F12
D11
E9
129 89
-
I/O
USB1 bidirectional D+ line. Add an external series resistor
of 33
+/- 2 %.
USB1_DM
G12
E11
E10
130 90
-
I/O
USB1 bidirectional D
line. Add an external series resistor
of 33
+/- 2 %.
I
2
C-bus pins
I2C0_SCL
L15
K13
D6
132 92
I; F
I/O
I
2
C clock input/output. Open-drain output (for I
2
C-bus
compliance).
I2C0_SDA
L16
K14
E6
133 93
I; F
I/O
I
2
C data input/output. Open-drain output (for I
2
C-bus
compliance).
Reset and wake-up pins
RESET
D9
B7
B6
185 128
I; IA
I
External reset input: A LOW on this pin resets the device,
causing I/O ports and peripherals to take on their default
states, and processor execution to begin at address 0.
WAKEUP0
A9
A9
A4
187 130
I; IA
I
External wake-up input; can raise an interrupt and can
cause wake-up from any of the low power modes. A pulse
with a duration > 45 ns wakes up the part.
WAKEUP1
A10
C8
-
-
-
I; IA
I
External wake-up input; can raise an interrupt and can
cause wake-up from any of the low power modes. A pulse
with a duration > 45 ns wakes up the part.
Table 129. Pin description
…continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts.
Symbol
LB
GA25
6
TFBGA180
TFBGA100
LQ
FP2
08
[1
]
LQ
FP1
44
R
e
se
t st
ate
[2
]
Ty
p
e
Description