UM10503
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
232 of 1269
NXP Semiconductors
UM10503
Chapter 14: LPC43xx Pin configuration
P1_6
T4
P3
67
N;
PU
I/O
GPIO1[9] —
General purpose digital input/output pin.
I
CTIN_5 —
SCT input 5. Capture input 2 of timer 2.
-
R —
Function reserved.
O
EMC_WE —
LOW active Write Enable signal.
-
R —
Function reserved.
O
EMC_BLS0 —
LOW active Byte Lane select signal 0.
I/O
SGPIO14 —
General purpose digital input/output pin.
I/O
SD_CMD —
SD/MMC command signal.
P1_7
T5
N4
69
N;
PU
I/O
GPIO1[0] —
General purpose digital input/output pin.
I
U1_DSR —
Data Set Ready input for UART1.
O
CTOUT_13 —
SCT output 13. Match output 3 of timer 3.
I/O
EMC_D0 —
External memory data line 0.
O
USB0_PPWR —
VBUS drive signal (towards external charge pump
or power management unit); indicates that VBUS must be driven
(active HIGH).
Add a pull-down resistor to disable the power switch at reset. This
signal has opposite polarity compared to the USB_PPWR used on
other NXP LPC parts.
-
R —
Function reserved.
-
R —
Function reserved.
-
R —
Function reserved.
P1_8
R7
M5
71
N;
PU
I/O
GPIO1[1] —
General purpose digital input/output pin.
O
U1_DTR —
Data Terminal Ready output for UART1.
O
CTOUT_12 —
SCT output 12. Match output 3 of
timer 3.
I/O
EMC_D1 —
External memory data line 1.
-
R —
Function reserved.
-
R —
Function reserved.
-
R —
Function reserved.
O
SD_VOLT0 —
SD/MMC bus voltage select output 0.
P1_9
T7
N5
73
N;
PU
I/O
GPIO1[2] —
General purpose digital input/output pin.
O
U1_RTS —
Request to Send output for UART1.
O
CTOUT_11 —
SCT output 11. Match output 3 of timer 2.
I/O
EMC_D2 —
External memory data line 2.
-
R —
Function reserved.
-
R —
Function reserved.
-
R —
Function reserved.
I/O
SD_DAT0 —
SD/MMC data bus line 0.
Table 130. LPC4357/53 Pin description
…continued
Pin name
L
B
GA
256
TFBGA18
0
LQ
FP2
0
8
Re
set st
ate
[2
]
Ty
p
e
Description