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 16 of 80
NXP Semiconductors
LPC3220/30/40/50
16/32-bit ARM microcontrollers
GPO_22/
U7_HRTS/
LCDVD[14]
E10 VDD_IOD O General purpose output 22
O HS UART 7 RTS out
O LCD data bit 14 (LPC3230 and LPC3250 only)
GPO_23/
U2_HRTS/
U3_RTS
M16 VDD_IOA O General purpose output 23
OHS UART 2 RTS out
O UART 3 RTS out
HIGHCORE/
LCDVD[17]
H16 VDD_IOD O Core voltage control out
O LCD data bit 17 (LPC3230 and LPC3250 only)
I2C1_SCL A5 VDD_IOB I/O T I
2
C1 serial clock input/output
I2C1_SDA B6 VDD_IOB I/O T I
2
C1 serial data input/output
I2C2_SCL A3 VDD_IOC I/O T I
2
C2 serial clock input/output
I2C2_SDA E4 VDD_IOC I/O T I
2
C2 serial data input/output
I2S1TX_CLK/
MAT3[0]
A4 VDD_IOB I/O I
2
S1 transmit clock
O Timer 3 match output 0
I2S1TX_SDA/
MAT3[1]
E7 VDD_IOB I/O I
2
S1 transmit data
O Timer 3 match output 1
I2S1TX_WS/
CAP3[0]
B4 VDD_IOB I/O I
2
S1 transmit word select
I/O Timer 3 capture input 0
JTAG_NTRST H17 VDD_IOD I: PU JTAG1 reset input. Must be LOW during power-on
reset. See Section 12.1 “Connecting the
JTAG_NTRST pin”.
JTAG_RTCK H18 VDD_IOD O JTAG1 return clock out
JTAG_TCK
H14 VDD_IOD I JTAG1 clock input
JTAG_TDI
J16 VDD_IOD I: PU JTAG1 data input
JTAG_TDO
J15 VDD_IOD O JTAG1 data out
JTAG_TMS
G18 VDD_IOD I: PU TAG1 test mode select input
KEY_COL0/
ENET_TX_CLK
F15 VDD_IOD I Keyscan column 0 input
I Ethernet transmit clock (LPC3240 and LPC3250
only)
KEY_COL1/
ENET_RX_CLK/
ENET_REF_CLK
E16 VDD_IOD I Keyscan column 1 input
I Ethernet receive clock (MII mode, LPC3240 and
LPC3250 only)
I Ethernet reference clock (RMII mode, LPC3240 and
LPC3250 only)
KEY_COL2/
ENET_RX_ER
D17 VDD_IOD I Keyscan column 2 input
I Ethernet receive error input (LPC3240 and
LPC3250 only)
KEY_COL3/
ENET_CRS
D18 VDD_IOD I Keyscan column 3 input
I Ethernet carrier sense input (LPC3240 and
LPC3250 only)
Table 4. Pin description …continued
Symbol Pin Power supply
domain
Type Description