LPC2210_2220_6 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 06 — 11 December 2008 12 of 50
NXP Semiconductors
LPC2210/2220
16/32-bit ARM microcontrollers
P2.26/D26/
BOOT0
13
[5]
F4
[5]
I/O D26 — External memory data line 26.
I 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
16
[5]
F1
[5]
I/O D27 — External memory data line 27.
I 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 16-bit memory on
CS0 for boot.
P2.28/D28 17
[5]
G2
[5]
I/O D28 — External memory data line 28.
P2.29/D29 18
[5]
G1
[5]
I/O D29 — External memory data line 29.
P2.30/D30/
AIN4
19
[2]
G3
[2]
I/O D30 — External memory data line 30.
I AIN4 — ADC, input 4. This analog input is always connected
to its pin.
P2.31/D31/
AIN5
20
[2]
G4
[2]
I/O D31 — External memory data line 31.
I AIN5 — ADC, input 5. This analog input is always connected
to its pin.
P3.0 to P3.31 I/O Port 3 — 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 89
[5]
G12
[5]
O A0 — External memory address line 0.
P3.1/A1 88
[5]
H13
[5]
O A1 — External memory address line 1.
P3.2/A2 87
[5]
H12
[5]
O A2 — External memory address line 2.
P3.3/A3 81
[5]
J10
[5]
O A3 — External memory address line 3.
P3.4/A4 80
[5]
K13
[5]
O A4 — External memory address line 4.
P3.5/A5 74
[5]
M13
[5]
O A5 — External memory address line 5.
P3.6/A6 73
[5]
N13
[5]
O A6 — External memory address line 6.
P3.7/A7 72
[5]
M12
[5]
O A7 — External memory address line 7.
P3.8/A8 71
[5]
N12
[5]
O A8 — External memory address line 8.
P3.9/A9 66
[5]
M10
[5]
O A9 — External memory address line 9.
P3.10/A10 65
[5]
N10
[5]
O A10 — External memory address line 10.
P3.11/A11 64
[5]
K9
[5]
O A11 — External memory address line 11.
P3.12/A12 63
[5]
L9
[5]
O A12 — External memory address line 12.
P3.13/A13 62
[5]
M9
[5]
O A13 — External memory address line 13.
P3.14/A14 56
[5]
K7
[5]
O A14 — External memory address line 14.
P3.15/A15 55
[5]
L7
[5]
O A15 — External memory address line 15.
P3.16/A16 53
[5]
M7
[5]
O A16 — External memory address line 16.
P3.17/A17 48
[5]
N5
[5]
O A17 — External memory address line 17.
P3.18/A18 47
[5]
M5
[5]
O A18 — External memory address line 18.
Table 4. Pin description
…continued
Symbol Pin (LQFP) Pin (TFBGA) Type Description