LPC2470 Datasheet, PDF (18/72 Pages) NXP Semiconductors – Flashless 16-bit/32-bit micro; Ethernet, CAN, LCD, USB 2.0 device/host/OTG, external memory interface

NXP Semiconductors
LPC2470
Fast communication chip
Table 4. Pin description …continued
Symbol
Pin
Ball
P2[16]/CAS
87^[1]
R11^[1]
P2[17]/RAS
95^[1]
R13^[1]
P2[18]/
CLKOUT0
P2[19]/
CLKOUT1
P2[20]/DYCS0
59^[1]
67^[1]
73^[1]
U3^[1]
R7^[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]
43^[1]
31^[1]
P4^[1]
N3^[1]
L4^[1]
Type
I/O
O
I/O
O
I/O
O
I/O
O
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
Description
P2[16] — General purpose digital input/output pin.
CAS — LOW active SDRAM Column Address Strobe.
P2[17] — General purpose digital input/output pin.
RAS — LOW active SDRAM Row Address Strobe.
P2[18] — General purpose digital input/output pin.
CLKOUT0 — SDRAM clock 0.
P2[19] — General purpose digital input/output pin.
CLKOUT1 — SDRAM clock 1.
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).
LPC2470_0
Preliminary data sheet
Rev. 00.01 — 5 October 2007
© NXP B.V. 2007. All rights reserved.
18 of 72