Datasheet

LPC11U6x All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 1.2 — 26 May 2014 16 of 96
NXP Semiconductors
LPC11U6x
32-bit ARM Cortex-M0+ microcontroller
PIO2_0 6812
[10]
I; PU IO PIO2_0 — General-purpose digital input/output pin.
AI XTALIN — Input to the oscillator circuit and internal clock
generator circuits. Input voltage must not exceed 1.8 V.
PIO2_1 7913
[10]
I; PU IO PIO2_1 — General-purpose digital input/output pin.
AO XTALOUT — Output from the oscillator amplifier.
PIO2_2 12 16 21
[6]
I; PU IO PIO2_2 — General-purpose digital input/output pin.
O U3_RTS
— Request To Send output for USART3.
IO U3_SCLK — Serial clock input/output for USART3 in
synchronous mode.
SCT0_OUT1 — SCTimer0/PWM output 1.
PIO2_3 --36
[6]
I; PU IO PIO2_3 — General-purpose digital input/output pin.
I U3_RXD — Receiver input for USART3.
O CT32B0_MAT1 — Match output 1 for 32-bit timer 0.
PIO2_4 --41
[6]
I; PU IO PIO2_4 — General-purpose digital input/output pin.
O U3_TXD — Transmitter output for USART3.
O CT32B0_MAT2 — Match output 2 for 32-bit timer 0.
PIO2_5 91115
[6]
I; PU IO PIO2_5 — General-purpose digital input/output pin.
I U3_CTS
— Clear To Send input for USART3.
I SCT0_IN1 — SCTimer0/PWM input 1.
PIO2_6 -2437
[6]
I; PU IO PIO2_6 — General-purpose digital input/output pin.
O U1_RTS
— Request To Send output for USART1.
IO U1_SCLK — Serial clock input/output for USART1 in
synchronous mode.
I SCT0_IN2 — SCTimer0/PWM input 2.
PIO2_7 21 27 40
[6]
I; PU IO PIO2_7 — General-purpose digital input/output pin.
IO SSP0_SCK — Serial clock for SSP0.
I SCT0_OUT2 — SCTimer0/PWM output 2.
PIO2_8 --2
[6]
I; PU IO PIO2_8 — General-purpose digital input/output pin.
I SCT1_IN0 — SCTimer1/PWM input 0.
PIO2_9 --3
[6]
I; PU IO PIO2_9 — General-purpose digital input/output pin.
I SCT1_IN1 — SCTimer1/PWM_IN1
PIO2_10 --16
[6]
I; PU IO PIO2_10 — General-purpose digital input/output pin.
O U4_RTS
— Request To Send output for USART4.
IO U4_SCLK — Serial clock input/output for USART4 in
synchronous mode.
PIO2_11 --24
[6]
I; PU IO PIO2_11 — General-purpose digital input/output pin.
I U4_RXD — Receiver input for USART4.
PIO2_12 --25
[6]
I; PU IO PIO2_12 — General-purpose digital input/output pin.
O U4_TXD — Transmitter output for USART4.
Table 3. Pin description
Pin functions are selected through the IOCON registers. See Table 2
for availability of USART3 and USART4 pin functions.
Symbol
LQFP48 LQFP64 LQFP100
Reset
state
[1]
Type Description of pin functions