LPC2292_2294 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 8 — 8 June 2011 12 of 54
NXP Semiconductors
LPC2292/2294
16/32-bit ARM microcontrollers with external memory interface
P2[24]/D24 11
[7]
E2
[7]
I/O D24 — External memory data line 24.
P2[25]/D25 12
[7]
E1
[7]
I/O D25 — External memory data line 25.
P2[26]/D26/
BOOT0
13
[7]
F4
[7]
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
[7]
F1
[7]
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 internal flash memory.
P2[28]/D28 17
[7]
G2
[7]
I/O D28 — External memory data line 28.
P2[29]/D29 18
[7]
G1
[7]
I/O D29 — External memory data line 29.
P2[30]/D30/
AIN4
19
[6]
G3
[6]
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
[6]
G4
[6]
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
[7]
G12
[7]
O A0 — External memory address line 0.
P3[1]/A1 88
[7]
H13
[7]
O A1 — External memory address line 1.
P3[2]/A2 87
[7]
H12
[7]
O A2 — External memory address line 2.
P3[3]/A3 81
[7]
J10
[7]
O A3 — External memory address line 3.
P3[4]/A4 80
[7]
K13
[7]
O A4 — External memory address line 4.
P3[5]/A5 74
[7]
M13
[7]
O A5 — External memory address line 5.
P3[6]/A6 73
[7]
N13
[7]
O A6 — External memory address line 6.
P3[7]/A7 72
[7]
M12
[7]
O A7 — External memory address line 7.
P3[8]/A8 71
[7]
N12
[7]
O A8 — External memory address line 8.
P3[9]/A9 66
[7]
M10
[7]
O A9 — External memory address line 9.
P3[10]/A10 65
[7]
N10
[7]
O A10 — External memory address line 10.
P3[11]/A11 64
[7]
K9
[7]
O A11 — External memory address line 11.
P3[12]/A12 63
[7]
L9
[7]
O A12 — External memory address line 12.
P3[13]/A13 62
[7]
M9
[7]
O A13 — External memory address line 13.
P3[14]/A14 56
[7]
K7
[7]
O A14 — External memory address line 14.
P3[15]/A15 55
[7]
L7
[7]
O A15 — External memory address line 15.
P3[16]/A16 53
[7]
M7
[7]
O A16 — External memory address line 16.
Table 4. Pin description
…continued
Symbol Pin (LQFP) Pin
(TFBGA)
[1]
Type Description