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UM10503
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
227 of 1269
NXP Semiconductors
UM10503
Chapter 14: LPC43xx Pin configuration
WAKEUP2
C9
E5
-
-
-
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.
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. A pulse
with a duration > 45 ns wakes up the part.
ADC pins
ADC0_0/
ADC1_0/DAC
E3
B6
A2
8
6
I; IA
I
ADC input channel 0. Shared between 10-bit ADC0/1 and
DAC.
ADC0_1/
ADC1_1
C3
C4
A1
4
2
I; IA
I
ADC input channel 1. Shared between 10-bit ADC0/1.
ADC0_2/
ADC1_2
A4
B3
B3
206 143
I; IA
I
ADC input channel 2. Shared between 10-bit ADC0/1.
ADC0_3/
ADC1_3
B5
B4
A3
200 139
I; IA
I
ADC input channel 3. Shared between 10-bit ADC0/1.
ADC0_4/
ADC1_4
C6
A5
-
199 138
I; IA
I
ADC input channel 4. Shared between 10-bit ADC0/1.
ADC0_5/
ADC1_5
B3
C3
-
208 144
I; IA
I
ADC input channel 5. Shared between 10-bit ADC0/1.
ADC0_6/
ADC1_6
A5
A4
-
204 142
I; IA
I
ADC input channel 6. Shared between 10-bit ADC0/1.
ADC0_7/
ADC1_7
C5
B5
-
197 136
I; IA
I
ADC input channel 7. Shared between 10-bit ADC0/1.
RTC
RTC_ALARM
A11
A10
C3
186 129
-
O
RTC controlled output.
RTCX1
A8
A8
A5
182 125
-
I
Input to the RTC 32 kHz ultra-low power oscillator circuit.
RTCX2
B8
A7
B5
183 126
-
O
Output from the RTC 32 kHz ultra-low power oscillator
circuit.
Crystal oscillator pins
XTAL1
D1
C1
B1
18
12
-
I
Input to the oscillator circuit and internal clock generator
circuits.
XTAL2
E1
D1
C1
19
13
-
O
Output from the oscillator amplifier.
Power and ground pins
USB0_VDDA
3V3_DRIVER
F3
E3
D1
24
16
-
-
Separate analog 3.3 V power supply for driver.
USB0
_VDDA3V3
G3
F3
D2
25
17
-
-
USB 3.3 V separate power supply voltage.
USB0_VSSA
_TERM
H3
G3
D3
27
19
-
-
Dedicated analog ground for clean reference for
termination resistors.
USB0_VSSA
_REF
G1
F1
F2
31
23
-
-
Dedicated clean analog ground for generation of
reference currents and voltages.
VDDA
B4
A6
B2
198 137
-
-
Analog power supply and ADC reference voltage.
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