Datasheet

LPC2468 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6.2 — 11 January 2013 21 of 85
NXP Semiconductors
LPC2468
Single-chip 16-bit/32-bit micro
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.
P4[23]/A23/
RXD2/MOSI1
129
[1]
J15
[1]
I/O P4[23] — General purpose digital input/output pin.
I/O A23 — External memory address line 23.
I RXD2 — Receiver input for UART2.
I/O MOSI1 — Master Out Slave In for SSP1.
P4[24]/OE
183
[1]
B8
[1]
I/O P4[24] — General purpose digital input/output pin.
O OE
— LOW active Output Enable signal.
P4[25]/WE
179
[1]
B9
[1]
I/O P4[25] — General purpose digital input/output pin.
O WE
— LOW active Write Enable signal.
P4[26]/BLS0
119
[1]
L15
[1]
I/O P4[26] — General purpose digital input/output pin.
O BLS0
— LOW active Byte Lane select signal 0.
P4[27]/BLS1
139
[1]
G15
[1]
I/O P4[27] — General purpose digital input/output pin.
O BLS1
— LOW active Byte Lane select signal 1.
P4[28]/BLS2
/
MAT2[0]/TXD3
170
[1]
C11
[1]
I/O P4[28] — General purpose digital input/output pin.
O BLS2
— LOW active Byte Lane select signal 2.
O MAT2[0] — Match output for Timer 2, channel 0.
O TXD3 — Transmitter output for UART3.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description