NXP Semiconductors LPC24XX UM10237 - Manual (Page 149)

UM10237_4 © NXP B.V. 2009. All rights reserved.
User manual Rev. 04 — 26 August 2009 149 of 792
NXP Semiconductors
UM10237
Chapter 8: LPC24XX Pin configuration
P2[30]/
DQMOUT2/
MAT3[2]/SDA2 31 [1] L4 [1] I/O P2[30] — General purpose digital input/output pin.
O DQMOUT2 — Data mask 2 used with SDRAM and static devices.
O MAT3[2] — Match output for Timer 3, channel 2.
I/O SDA2 — I 2 C2 data input/output (this is not an open-drain pin).
P2[31]/
DQMOUT3/
MAT3[3]/SCL2 39 [1] N2 [1] I/O P2[31] — General purpose digital input/output pin.
O DQMOUT3 — Data mask 3 used with SDRAM and static devices.
O MAT3[3] — Match output for Timer 3, channel 3.
I/O SCL2 — I 2 C2 clock input/output (this is not an open-drain pin).
P3[0] to P3[31] I/O Port 3: Port 3 is a 32-bit I/O port with individual direction controls for each
bit. The operation of port 3 pins depends upon the pin function selected
via the Pin Connect block.
P3[0]/D0 197 [1] B4 [1] I/O P3[0] — General purpose digital input/output pin.
I/O D0 — External memory data line 0.
P3[1]/D1 201 [1] B3 [1] I/O P3[1] — General purpose digital input/output pin.
I/O D1 — External memory data line 1.
P3[2]/D2 207 [1] B1 [1] I/O P3[2] — General purpose digital input/output pin.
I/O D2 — External memory data line 2.
P3[3]/D3 3 [1] E4 [1] I/O P3[3] — General purpose digital input/output pin.
I/O D3 — External memory data line 3.
P3[4]/D4 13 [1] F2 [1] I/O P3[4] — General purpose digital input/output pin.
I/O D4 — External memory data line 4.
P3[5]/D5 17 [1] G1 [1] I/O P3[5] — General purpose digital input/output pin.
I/O D5 — External memory data line 5.
P3[6]/D6 23 [1] J1 [1] I/O P3[6] — General purpose digital input/output pin.
I/O D6 — External memory data line 6.
P3[7]/D7 27 [1] L1 [1] I/O P3[7] — General purpose digital input/output pin.
I/O D7 — External memory data line 7.
P3[8]/D8 191 [1] D8 [1] I/O P3[8] — General purpose digital input/output pin.
I/O D8 — External memory data line 8.
P3[9]/D9 199 [1] C5 [1] I/O P3[9] — General purpose digital input/output pin.
I/O D9 — External memory data line 9.
P3[10]/D10 205 [1] B2 [1] I/O P3[10] — General purpose digital input/output pin.
I/O D10 — External memory data line 10.
P3[11]/D11 208 [1] D5 [1] I/O P3[11] — General purpose digital input/output pin.
I/O D11 — External memory data line 11.
P3[12]/D12 1 [1] D4 [1] I/O P3[12] — General purpose digital input/output pin.
I/O D12 — External memory data line 12.
P3[13]/D13 7 [1] C1 [1] I/O P3[13] — General purpose digital input/output pin.
I/O D13 — External memory data line 13.
P3[14]/D14 21 [1] H2 [1] I/O P3[14] — General purpose digital input/output pin.
I/O D14 — External memory data line 14. On POR, this pin serves as the
BOOT0 pin.
Table 122. LPC2420/60/68 pin description …continued
Symbol Pin Ball Type Description