Datasheet

UM10398 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
User manual Rev. 12.3 — 10 June 2014 164 of 547
NXP Semiconductors
UM10398
Chapter 9: LPC111x/LPC11Cxx Pin configuration (LPC1100, LPC1100C,
PIO3_0 to PIO3_5 I/O Port 3 — Port 3 is a 12-bit I/O port with individual direction and
function controls for each bit. The operation of port 3 pins
depends on the function selected through the IOCONFIG
register block. Pins PIO3_6 to PIO3_11 are not available.
PIO3_0/DTR
90
[3]
no I/O I; PU PIO3_0 — General purpose digital input/output pin.
O-DTR
— Data Terminal Ready output for UART.
PIO3_1/DSR
91
[3]
no I/O I; PU PIO3_1 — General purpose digital input/output pin.
I-DSR
— Data Set Ready input for UART.
PIO3_2/DCD
97
[3]
no I/O I; PU PIO3_2 — General purpose digital input/output pin.
I-DCD
— Data Carrier Detect input for UART.
PIO3_3/RI
2
[3]
no I/O I; PU PIO3_3 — General purpose digital input/output pin.
I-RI
— Ring Indicator input for UART.
PIO3_4 21
[3]
no I/O I; PU PIO3_4 — General purpose digital input/output pin.
PIO3_5 24
[3]
no I/O I; PU PIO3_5 — General purpose digital input/output pin.
V
DD
11; 98 - I - 3.3 V supply voltage to the internal regulator, the external rail,
and the ADC. Also used as the ADC reference voltage.
XTALIN 9
[7]
- I - Input to the oscillator circuit and internal clock generator
circuits. Input voltage must not exceed 1.8 V.
XTALOUT 10
[7]
- O - Output from the oscillator amplifier.
V
SS
8; 95 - I - Ground.
LCD display pins
S0 46 - O V
LCD
[7]
LCD segment output.
S1 47 - O V
LCD
[7]
LCD segment output.
S2 48 - O V
LCD
[7]
LCD segment output.
S3 49 - O V
LCD
[7]
LCD segment output.
S4 50 - O V
LCD
[7]
LCD segment output.
S5 51 - O V
LCD
[7]
LCD segment output.
S6 52 - O V
LCD
[7]
LCD segment output.
S7 53 - O V
LCD
[7]
LCD segment output.
S8 54 - O V
LCD
[7]
LCD segment output.
S9 55 - O V
LCD
[7]
LCD segment output.
S10 56 - O V
LCD
[7]
LCD segment output.
S11 57 - O V
LCD
[7]
LCD segment output.
S12 58 - O V
LCD
[7]
LCD segment output.
S13 59 - O V
LCD
[7]
LCD segment output.
S14 60 - O V
LCD
[7]
LCD segment output.
S15 61 - O V
LCD
[7]
LCD segment output.
S16 62 - O V
LCD
[7]
LCD segment output.
S17 63 - O V
LCD
[7]
LCD segment output.
S18 64 - O V
LCD
[7]
LCD segment output.
S19 65 - O V
LCD
[7]
LCD segment output.
Table 164. LPC11D14 pin description table (LQFP100 package)
…continued
Symbol Pin Start
logic
input
Type Reset
state
[1]
Description