Datasheet

LPC2478 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3.1 — 16 October 2013 24 of 93
NXP Semiconductors
LPC2478
Single-chip 16-bit/32-bit microcontroller
P4[7]/A7 121
[1]
L16
[1]
I/O P4[7] — General purpose digital input/output pin.
I/O A7 — External memory address line 7.
P4[8]/A8 127
[1]
J17
[1]
I/O P4[8] — General purpose digital input/output pin.
I/O A8 — External memory address line 8.
P4[9]/A9 131
[1]
H17
[1]
I/O P4[9] — General purpose digital input/output pin.
I/O A9 — External memory address line 9.
P4[10]/A10 135
[1]
G17
[1]
I/O P4[10] — General purpose digital input/output pin.
I/O A10 — External memory address line 10.
P4[11]/A11 145
[1]
F14
[1]
I/O P4[11] — General purpose digital input/output pin.
I/O A11 — External memory address line 11.
P4[12]/A12 149
[1]
C16
[1]
I/O P4[12] — General purpose digital input/output pin.
I/O A12 — External memory address line 12.
P4[13]/A13 155
[1]
B16
[1]
I/O P4[13] — General purpose digital input/output pin.
I/O A13 — External memory address line 13.
P4[14]/A14 159
[1]
B15
[1]
I/O P4[14] — General purpose digital input/output pin.
I/O A14 — External memory address line 14.
P4[15]/A15 173
[1]
A11
[1]
I/O P4[15] — General purpose digital input/output pin.
I/O A15 — External memory address line 15.
P4[16]/A16 101
[1]
U17
[1]
I/O P4[16] — General purpose digital input/output pin.
I/O A16 — External memory address line 16.
P4[17]/A17 104
[1]
P14
[1]
I/O P4[17] — General purpose digital input/output pin.
I/O A17 — External memory address line 17.
P4[18]/A18 105
[1]
P15
[1]
I/O P4[18] — General purpose digital input/output pin.
I/O A18 — External memory address line 18.
P4[19]/A19 111
[1]
P16
[1]
I/O P4[19] — General purpose digital input/output pin.
I/O A19 — External memory address line 19.
P4[20]/A20/
SDA2/SCK1
109
[1]
R17
[1]
I/O P4[20] — General purpose digital input/output pin.
I/O A20 — External memory address line 20.
I/O SDA2 — I
2
C2 data input/output (this is not an open-drain pin).
I/O SCK1 — Serial Clock for SSP1.
P4[21]/A21/
SCL2/SSEL1
115
[1]
M15
[1]
I/O P4[21] — General purpose digital input/output pin.
I/O A21 — External memory address line 21.
I/O SCL2 — I
2
C2 clock input/output (this is not an open-drain pin).
I/O SSEL1 — Slave Select for SSP1.
P4[22]/A22/
TXD2/MISO1
123
[1]
K14
[1]
I/O P4[22] — General purpose digital input/output pin.
I/O A22 — External memory address line 22.
O TXD2 — Transmitter output for UART2.
I/O MISO1 — Master In Slave Out for SSP1.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description