UM10503
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© NXP B.V. 2015. All rights reserved.
User manual
Rev. 2.1 — 10 December 2015
346 of 1441
NXP Semiconductors
UM10503
Chapter 16: LPC43xx/LPC43Sxx Pin configuration
TCK/SWDCLK
J5
H2
I; F
I
Test Clock for JTAG interface (default) or Serial Wire (SW) clock.
TRST
M4
B4
I; PU I
Test Reset for JTAG interface.
TMS/SWDIO
K6
C4
I; PU I
Test Mode Select for JTAG interface (default) or SW debug data
input/output.
TDO/SWO
K5
H3
O
O
Test Data Out for JTAG interface (default) or SW trace output.
TDI J4
G3
I; PU I
Test Data In for JTAG interface.
USB0 pins
USB0_DP
F2
E1
-
I/O
USB0 bidirectional D+ line.
USB0_DM
G2
E2
-
I/O
USB0 bidirectional D
line.
USB0_VBUS
F1
E3
-
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
F1
-
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
F3
-
12.0 k
(accuracy 1 %) on-board resistor to ground for current reference.
USB1 pins
USB1_DP
F12
E9
-
I/O
USB1 bidirectional D+ line.
USB1_DM
G12
E10
-
I/O
USB1 bidirectional D
line.
I
2
C-bus pins
I2C0_SCL
L15
D6
I; F
I/O
I
2
C clock input/output. Open-drain output (for I
2
C-bus compliance).
I2C0_SDA
L16
E6
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
B6
I; IA
I
External reset input: A LOW-going pulse as short as 50 ns 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
A4
I; IA
I
External wake-up input; can raise an interrupt and can cause wake-up from
any of the low power modes.
WAKEUP1
A10
-
I; IA
I
External wake-up input; can raise an interrupt and can cause wake-up from
any of the low power modes.
WAKEUP2
C9
-
I; IA
I
External wake-up input; can raise an interrupt and can cause wake-up from
any of the low power modes.
WAKEUP3
D8
-
I; IA
I
External wake-up input; can raise an interrupt and can cause wake-up from
any of the low power modes.
Table 186. LPC4370/LPC43S70 Pin description
…continued
LCD is not available on all parts.
Symbol
LB
GA25
6
TFBGA100
R
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Description