LPC2470 datasheet(22/72 Pages) PHILIPS

22 / 72 page

LPC2470_0

Preliminary data sheet

Rev. 00.01 — 5 October 2007

22 of 72

NXP Semiconductors

LPC2470

Fast communication chip

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.

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 — I2C2 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 — I2C2 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.

TXD2 — Transmitter output for UART2.

I/O

MISO1 — Master In Slave Out for SSP1.

Table 4.

Pin description …continued

Symbol

Ball

Type

Description

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