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 19 of 80
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
SPI2_CLK/
SCK1/
LCDVD[23]
B10 VDD_IOD I/O SPI2 clock out
I/O SSP1 clock out
I/O LCD data bit 23 (LPC3230 and LPC3250 only)
SPI2_DATIO/
MOSI1/
LCDVD[20]
A9 VDD_IOD I/O SPI2 data out (and optional input)
I/O SSP1 MOSI
I/O LCD data bit 20 (LPC3230 and LPC3250 only)
SPI2_DATIN/
MISO1/
LCDVD[21]/
GPI_27
A10 VDD_IOD I/O SPI2 data in
I/O SSP1 MISO
I/O LCD data 21 (LPC3230 and LPC3250 only)
I/O General purpose input bit 27
SYSCLKEN/
LCDVD[15]
G17 VDD_IOD I/O T Clock request out for external clock source
I/O T LCD data bit 15 (LPC3230 and LPC3250 only)
SYSX_IN
T17 VDD_OSC analog in System clock oscillator input
SYSX_OUT
R15 VDD_OSC analog out System clock oscillator output
TS_XP
R13 VDD_AD I/O Touchscreen X output
TS_YP
U16 VDD_AD I/O Touchscreen Y output
TST_CLK2
C6 VDD_IOB O Test clock 2 out
U1_RX/CAP1[0]/
GPI_15
K15 VDD_IOA I/O HS UART 1 receive
I/O Timer 1 capture input 0
I/O General purpose input bit 15
U1_TX
K16 VDD_IOA O HS UART 1 transmit
U2_HCTS/
U3_CTS/GPI_16
J18 VDD_IOA I/O HS UART 2 Clear to Send input
I UART 3 Clear to Send
I/O General purpose input bit 16
U2_RX/
U3_DSR/GPI_17
K18 VDD_IOA I/O HS UART 2 receive
I/O UART 3 data set ready
I/O General purpose input bit 17
U2_TX/U3_DTR
K17 VDD_IOA O HS UART 2 transmit
O UART 3 data terminal ready out
U3_RX/
GPI_18
J14 VDD_IOD I/O UART 3 receive
I/O General purpose input bit 18
U3_TX
J17 VDD_IOD O UART 3 transmit
U5_RX/
GPI_20
F18 VDD_IOD I/O UART 5 receive
I General purpose input bit 20
U5_TX
H15 VDD_IOD O UART 5 transmit
U6_IRRX/
GPI_21
F17 VDD_IOD I/O UART 6 receive (with IrDA)
I General purpose input bit 21
U6_IRTX
G16 VDD_IOD O UART 6 transmit (with IrDA)
Table 4. Pin description
…continued
Symbol Pin Power supply
domain
Type Description