LPC2470 datasheet(19/72 Pages) PHILIPS

19 / 72 page

LPC2470_0

Preliminary data sheet

Rev. 00.01 — 5 October 2007

19 of 72

NXP Semiconductors

LPC2470

Fast communication chip

P2[31]/

DQMOUT3/

MAT3[3]/SCL2

39[1]

N2[1]

I/O

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.

I/O

SCL2 — I2C2 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.

P3[15]/D15

28[1]

M1[1]

I/O

P3[15] — General purpose digital input/output pin.

I/O

D15 — External memory data line 15.

Table 4.

Pin description …continued

Symbol

Ball

Type

Description

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