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 19 of 85
NXP Semiconductors
LPC2468
Single-chip 16-bit/32-bit micro
P3[20]/D20/
PWM0[5]/DSR1
167
[1]
A13
[1]
I/O P3[20] — General purpose digital input/output pin.
I/O D20 — External memory data line 20.
O PWM0[5] — Pulse Width Modulator 0, output 5.
I DSR1 — Data Set Ready input for UART1.
P3[21]/D21/
PWM0[6]/DTR1
175
[1]
C10
[1]
I/O P3[21] — General purpose digital input/output pin.
I/O D21 — External memory data line 21.
O PWM0[6] — Pulse Width Modulator 0, output 6.
O DTR1 — Data Terminal Ready output for UART1.
P3[22]/D22/
PCAP0[0]/RI1
195
[1]
C6
[1]
I/O P3[22] — General purpose digital input/output pin.
I/O D22 — External memory data line 22.
I PCAP0[0] — Capture input for PWM0, channel 0.
I RI1 — Ring Indicator input for UART1.
P3[23]/D23/
CAP0[0]/
PCAP1[0]
65
[1]
T6
[1]
I/O P3[23] — General purpose digital input/output pin.
I/O D23 — External memory data line 23.
I CAP0[0] — Capture input for Timer 0, channel 0.
I PCAP1[0] — Capture input for PWM1, channel 0.
P3[24]/D24/
CAP0[1]/
PWM1[1]
58
[1]
R5
[1]
I/O P3[24] — General purpose digital input/output pin.
I/O D24 — External memory data line 24.
I CAP0[1] — Capture input for Timer 0, channel 1.
O PWM1[1] — Pulse Width Modulator 1, output 1.
P3[25]/D25/
MAT0[0]/
PWM1[2]
56
[1]
U2
[1]
I/O P3[25] — General purpose digital input/output pin.
I/O D25 — External memory data line 25.
O MAT0[0] — Match output for Timer 0, channel 0.
O PWM1[2] — Pulse Width Modulator 1, output 2.
P3[26]/D26/
MAT0[1]/
PWM1[3]
55
[1]
T3
[1]
I/O P3[26] — General purpose digital input/output pin.
I/O D26 — External memory data line 26.
O MAT0[1] — Match output for Timer 0, channel 1.
O PWM1[3] — Pulse Width Modulator 1, output 3.
P3[27]/D27/
CAP1[0]/
PWM1[4]
203
[1]
A1
[1]
I/O P3[27] — General purpose digital input/output pin.
I/O D27 — External memory data line 27.
I CAP1[0] — Capture input for Timer 1, channel 0.
O PWM1[4] — Pulse Width Modulator 1, output 4.
P3[28]/D28/
CAP1[1]/
PWM1[5]
5
[1]
D2
[1]
I/O P3[28] — General purpose digital input/output pin.
I/O D28 — External memory data line 28.
I CAP1[1] — Capture input for Timer 1, channel 1.
O PWM1[5] — Pulse Width Modulator 1, output 5.
P3[29]/D29/
MAT1[0]/
PWM1[6]
11
[1]
F3
[1]
I/O P3[29] — General purpose digital input/output pin.
I/O D29 — External memory data line 29.
O MAT1[0] — Match output for Timer 1, channel 0.
O PWM1[6] — Pulse Width Modulator 1, output 6.
Table 4. Pin description
…continued
Symbol Pin Ball Type Description
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 20 of 85
NXP Semiconductors
LPC2468
Single-chip 16-bit/32-bit micro
P3[30]/D30/
MAT1[1]/
RTS1
19
[1]
H3
[1]
I/O P3[30] — General purpose digital input/output pin.
I/O D30 — External memory data line 30.
O MAT1[1] — Match output for Timer 1, channel 1.
O RTS1 — Request to Send output for UART1.
P3[31]/D31/
MAT1[2]
25
[1]
J3
[1]
I/O P3[31] — General purpose digital input/output pin.
I/O D31 — External memory data line 31.
O MAT1[2] — Match output for Timer 1, channel 2.
P4[0] to P4[31] I/O Port 4: Port 4 is a 32-bit I/O port with individual direction controls for
each bit. The operation of port 4 pins depends upon the pin function
selected via the Pin Connect block.
P4[0]/A0 75
[1]
U9
[1]
I/O P4[0] — General purpose digital input/output pin.
I/O A0 — External memory address line 0.
P4[1]/A1 79
[1]
U10
[1]
I/O P4[1] — General purpose digital input/output pin.
I/O A1 — External memory address line 1.
P4[2]/A2 83
[1]
T11
[1]
I/O P4[2] — General purpose digital input/output pin.
I/O A2 — External memory address line 2.
P4[3]/A3 97
[1]
U16
[1]
I/O P4[3] — General purpose digital input/output pin.
I/O A3 — External memory address line 3.
P4[4]/A4 103
[1]
R15
[1]
I/O P4[4] — General purpose digital input/output pin.
I/O A4 — External memory address line 4.
P4[5]/A5 107
[1]
R16
[1]
I/O P4[5] — General purpose digital input/output pin.
I/O A5 — External memory address line 5.
P4[6]/A6 113
[1]
M14
[1]
I/O P4[6] — General purpose digital input/output pin.
I/O A6 — External memory address line 6.
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.
Table 4. Pin description …continued
Symbol Pin Ball Type Description
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

LPC2468FBD208,551

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
ARM Microcontrollers - MCU ARM7 512KF/USBH/ENET
Lifecycle:
New from this manufacturer.
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