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LPC2420_09 Datasheet, PDF (18/78 Pages) NXP Semiconductors – Flashless 16-bit/32-bit microcontroller; Ethernet, CAN, ISP/IAP, USB 2.0 device/host/OTG, external memory interface
NXP Semiconductors
LPC2420/2460
Flashless 16-bit/32-bit microcontroller
Table 4. Pin description …continued
Symbol
Pin
Ball
P2[20]/DYCS0
73[1]
T8[1]
P2[21]/DYCS1
81[1]
U11[1]
P2[22]/DYCS2/
CAP3[0]/SCK0
85[1]
U12[1]
P2[23]/DYCS3/
CAP3[1]/SSEL0
64[1]
U5[1]
P2[24]/
CKEOUT0
P2[25]/
CKEOUT1
P2[26]/
CKEOUT2/
MAT3[0]/MISO0
53[1]
54[1]
57[1]
P5[1]
R4[1]
T4[1]
P2[27]/
CKEOUT3/
MAT3[1]/MOSI0
47[1]
P3[1]
P2[28]/
DQMOUT0
P2[29]/
DQMOUT1
P2[30]/
DQMOUT2/
MAT3[2]/SDA2
49[1]
P4[1]
43[1]
N3[1]
31[1]
L4[1]
P2[31]/
DQMOUT3/
MAT3[3]/SCL2
39[1]
N2[1]
P3[0] to P3[31]
P3[0]/D0
197[1] B4[1]
Type
I/O
O
I/O
O
I/O
O
I
I/O
I/O
O
I
I/O
I/O
O
I/O
O
I/O
O
O
I/O
I/O
O
O
I/O
I/O
O
I/O
O
I/O
O
O
I/O
I/O
O
O
I/O
I/O
I/O
I/O
Description
P2[20] — General purpose digital input/output pin.
DYCS0 — SDRAM chip select 0.
P2[21] — General purpose digital input/output pin.
DYCS1 — SDRAM chip select 1.
P2[22] — General purpose digital input/output pin.
DYCS2 — SDRAM chip select 2.
CAP3[0] — Capture input for Timer 3, channel 0.
SCK0 — Serial clock for SSP0.
P2[23] — General purpose digital input/output pin.
DYCS3 — SDRAM chip select 3.
CAP3[1] — Capture input for Timer 3, channel 1.
SSEL0 — Slave Select for SSP0.
P2[24] — General purpose digital input/output pin.
CKEOUT0 — SDRAM clock enable 0.
P2[25] — General purpose digital input/output pin.
CKEOUT1 — SDRAM clock enable 1.
P2[26] — General purpose digital input/output pin.
CKEOUT2 — SDRAM clock enable 2.
MAT3[0] — Match output for Timer 3, channel 0.
MISO0 — Master In Slave Out for SSP0.
P2[27] — General purpose digital input/output pin.
CKEOUT3 — SDRAM clock enable 3.
MAT3[1] — Match output for Timer 3, channel 1.
MOSI0 — Master Out Slave In for SSP0.
P2[28] — General purpose digital input/output pin.
DQMOUT0 — Data mask 0 used with SDRAM and static devices.
P2[29] — General purpose digital input/output pin.
DQMOUT1 — Data mask 1 used with SDRAM and static devices.
P2[30] — General purpose digital input/output pin.
DQMOUT2 — Data mask 2 used with SDRAM and static devices.
MAT3[2] — Match output for Timer 3, channel 2.
SDA2 — I2C2 data input/output (this is not an open-drain pin).
P2[31] — General purpose digital input/output pin.
DQMOUT3 — Data mask 3 used with SDRAM and static devices.
MAT3[3] — Match output for Timer 3, channel 3.
SCL2 — I2C2 clock input/output (this is not an open-drain pin).
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] — General purpose digital input/output pin.
D0 — External memory data line 0.
LPC2420_60_4
Preliminary data sheet
Rev. 04 — 15 October 2009
© NXP B.V. 2009. All rights reserved.
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