Datasheet

LPC11U2X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
Product data sheet Rev. 2.3 — 27 March 2014 10 of 74
NXP Semiconductors
LPC11U2x
32-bit ARM Cortex-M0 microcontroller
PIO0_5/SDA 11 H3 16 21
[4]
I; IA I/O PIO0_5 — General purpose digital input/output pin
(open-drain).
- I/O SDA — I
2
C-bus data input/output (open-drain).
High-current sink only if I
2
C Fast-mode Plus is
selected in the I/O configuration register.
PIO0_6/USB_CONNECT
/
SCK0
15 H6 22 29
[3]
I; PU I/O PIO0_6 — General purpose digital input/output pin.
-OUSB_CONNECT
Signal used to switch an external
1.5 k resistor under software control. Used with the
SoftConnect USB feature.
- I/O SCK0 — Serial clock for SSP0.
PIO0_7/CTS
16 G7 23 30
[5]
I; PU I/O PIO0_7 — General purpose digital input/output pin
(high-current output driver).
-ICTS
Clear To Send input for USART.
PIO0_8/MISO0/
CT16B0_MAT0
17 F8 27 36
[3]
I; PU I/O PIO0_8 — General purpose digital input/output pin.
- I/O MISO0Master In Slave Out for SSP0.
-OCT16B0_MAT0 — Match output 0 for 16-bit timer 0.
PIO0_9/MOSI0/
CT16B0_MAT1
18 F7 28 37
[3]
I; PU I/O PIO0_9 — General purpose digital input/output pin.
- I/O MOSI0Master Out Slave In for SSP0.
-OCT16B0_MAT1 — Match output 1 for 16-bit timer 0.
SWCLK/PIO0_10/SCK0/
CT16B0_MAT2
19 E7 29 38
[3]
I; PU I SWCLK — Serial wire clock and test clock TCK for
JTAG interface.
- I/O PIO0_10 — General purpose digital input/output pin.
-OSCK0 — Serial clock for SSP0.
-OCT16B0_MAT2 — Match output 2 for 16-bit timer 0.
TDI/PIO0_11/AD0/
CT32B0_MAT3
21 D8 32 42
[6]
I; PU I TDI — Test Data In for JTAG interface.
- I/O PIO0_11 — General purpose digital input/output pin.
-IAD0 — A/D converter, input 0.
-OCT32B0_MAT3 — Match output 3 for 32-bit timer 0.
TMS/PIO0_12/AD1/
CT32B1_CAP0
22 C7 33 44
[6]
I; PU I TMS — Test Mode Select for JTAG interface.
- I/O PIO_12 — General purpose digital input/output pin.
-IAD1 — A/D converter, input 1.
-ICT32B1_CAP0 — Capture input 0 for 32-bit timer 1.
TDO/PIO0_13/AD2/
CT32B1_MAT0
23 C8 34 45
[6]
I; PU O TDOTest Data Out for JTAG interface.
- I/O PIO0_13 — General purpose digital input/output pin.
-IAD2 — A/D converter, input 2.
-OCT32B1_MAT0 — Match output 0 for 32-bit timer 1.
Table 3. Pin description
Symbol
Pin HVQFN33
Pin TFBGA48
Pin LQFP48
Pin LQFP64
Reset
state
[1]
Type Description