LPC2212_08 datasheet(9/45 Pages) PHILIPS

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LPC2212_2214_4

Product data sheet

Rev. 04 — 3 January 2008

9 of 45

NXP Semiconductors

LPC2212/2214

16/32-bit ARM microcontrollers

P2[7]/D7

116

I/O

External memory data line 7.

P2[8]/D8

117

I/O

External memory data line 8.

P2[9]/D9

118

I/O

External memory data line 9.

P2[10]/D10

120

I/O

External memory data line 10.

P2[11]/D11

124

I/O

External memory data line 11.

P2[12]/D12

125

I/O

External memory data line 12.

P2[13]/D13

127

I/O

External memory data line 13.

P2[14]/D14

129

I/O

External memory data line 14.

P2[15]/D15

130

I/O

External memory data line 15.

P2[16]/D16

131

I/O

External memory data line 16.

P2[17]/D17

132

I/O

External memory data line 17.

P2[18]/D18

133

I/O

External memory data line 18.

P2[19]/D19

134

I/O

External memory data line 19.

P2[20]/D20

136

I/O

External memory data line 20.

P2[21]/D21

137

I/O

External memory data line 21.

P2[22]/D22

I/O

External memory data line 22.

P2[23]/D23

I/O

External memory data line 23.

P2[24]/D24

I/O

External memory data line 24.

P2[25]/D25

I/O

External memory data line 25.

P2[26]/D26/BOOT0

I/O

D26 — External memory data line 26.

BOOT0 — While RESET is LOW, together with BOOT1 controls booting and

internal operation. Internal pull-up ensures HIGH state if pin is left

unconnected.

P2[27]/D27/BOOT1

I/O

D27 — External memory data line 27.

BOOT1 — While RESET is LOW, together with BOOT0 controls booting and

internal operation. Internal pull-up ensures HIGH state if pin is left

unconnected.

BOOT1:0 = 00 selects 8-bit memory on CS0 for boot.

BOOT1:0 = 01 selects 16-bit memory on CS0 for boot.

BOOT1:0 = 10 selects 32-bit memory on CS0 for boot.

BOOT1:0 = 11 selects internal ﬂash memory.

P2[28]/D28

I/O

External memory data line 28.

P2[29]/D29

I/O

External memory data line 29.

P2[30]/D30/AIN4

I/O

D30 — External memory data line 30.

AIN4 — ADC, input 4. This analog input is always connected to its pin.

P2[31]/D31/AIN5

I/O

D31 — External memory data line 31.

AIN5 — ADC, input 5. This analog input is always connected to its pin.

P3[0] to P3[31]

I/O

Port 3 is a 32-bit bidirectional 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]/A0

External memory address line 0.

P3[1]/A1

External memory address line 1.

P3[2]/A2

External memory address line 2.

Table 3.

Pin description …continued

Symbol

Type Description

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