Datasheet
LPC3220_30_40_50 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 2.1 — 24 June 2014 13 of 80
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
EMC_DQM[1] P4 VDD_EMC O SDRAM data mask 1 out
EMC_DQM[2]
T1 VDD_EMC O SDRAM data mask 2 out
EMC_DQM[3]
P5 VDD_EMC O SDRAM data mask 3 out
EMC_DYCS0
R6 VDD_EMC O SDRAM active LOW chip select 0
EMC_DYCS1
G1 VDD_EMC O SDRAM active LOW chip select 1
EMC_OE
H1 VDD_EMC O EMC static memory output enable
EMC_RAS
T2 VDD_EMC O SDRAM row address strobe, active LOW
EMC_WR
R4 VDD_EMC O EMC write strobe, active LOW
FLASH_ALE
D2 VDD_IOC O Flash address latch enable
FLASH_CE
E3 VDD_IOC O Flash chip enable
FLASH_CLE
F3 VDD_IOC O Flash command latch enable
FLASH_IO[0]
H2 VDD_IOC I/O: BK Flash data bus, bit 0
FLASH_IO[1]
H3 VDD_IOC I/O: BK Flash data bus, bit 1
FLASH_IO[2]
F1 VDD_IOC I/O: BK Flash data bus, bit 2
FLASH_IO[3]
E1 VDD_IOC I/O: BK Flash data bus, bit 3
FLASH_IO[4]
H4 VDD_IOC I/O: BK Flash data bus, bit 4
FLASH_IO[5]
G2 VDD_IOC I/O: BK Flash data bus, bit 5
FLASH_IO[6]
G3 VDD_IOC I/O: BK Flash data bus, bit 6
FLASH_IO[7]
E2 VDD_IOC I/O: BK Flash data bus, bit 7
FLASH_RD
C1 VDD_IOC O Flash read enable
FLASH_RDY
D1 VDD_IOC I Flash ready (from flash device)
FLASH_WR
F2 VDD_IOC O Flash write enable
GPI_0/I2S1RX_SDA
C16 VDD_IOD I General purpose input 0
I I
2
S1 Receive data
GPI_1/SERVICE
C15 VDD_IOD I General purpose input 1
I Boot select input
GPI_2/CAP2[0]/
ENET_RXD3
C14 VDD_IOD I General purpose input 2
I Timer 2 capture input 0
I Ethernet receive data 3 (LPC3240 and LPC3250
only)
GPI_3
F4 VDD_IOC I General purpose input 3
GPI_4/SPI1_BUSY
E13 VDD_IOD I General purpose input 4
I SPI1 busy input
GPI_5/U3_DCD
N16 VDD_IOA I General purpose input 5
I UART 3 data carrier detect input
GPI_6/
HSTIM_CAP/
ENET_RXD2
C7 VDD_IOB I: BK General purpose input 6
I: BK High-speed timer capture input
I : BK Ethernet receive data 2 (LPC3240 and LPC3250
only)
Table 4. Pin description
…continued
Symbol Pin Power supply
domain
Type Description