lpc11u23 NXP Semiconductors, lpc11u23 Datasheet - Page 4
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lpc11u23
Manufacturer Part Number
lpc11u23
Description
32-bit Arm Cortex-m0 Microcontroller; Up To 32 Kb Flash; Up To 10 Kb Sram And 4 Kb Eeprom; Usb Device; Usart
Manufacturer
NXP Semiconductors
Datasheet
1.LPC11U23.pdf
(70 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
lpc11u23FBD48/301,
Manufacturer:
Intersil
Quantity:
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Company:
Part Number:
lpc11u23FBD48/301,
Manufacturer:
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Quantity:
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NXP Semiconductors
5. Block diagram
LPC11U2X
Product data sheet
Fig 1.
CT32B1_CAP[1:0]
GPIO ports 0/1
CT32B0_MAT[3:0]
CT32B1_MAT[3:0]
DCD, DSR
CT16B0_MAT[1:0]
CT16B1_MAT[1:0]
CTS, RTS, DTR
(1) Not available on HVQFN33 packages.
(2) CT32B1_CAP1 available in TFBGA48/LQFP64 packages only.
CT32B0_CAP0
CT16B0_CAP0
CT16B1_CAP0
Block diagram
GPIO pins
GPIO pins
GPIO pins
(1)
SCLK
, RI
RXD
TXD
(2)
(1)
LPC11U2x
HIGH-SPEED
GPIO
GPIO GROUP0 INTERRUPTS
GPIO GROUP1 INTERRUPTS
SMARTCARD INTERFACE
16-bit COUNTER/TIMER 0
16-bit COUNTER/TIMER 1
32-bit COUNTER/TIMER 0
32-bit COUNTER/TIMER 1
WINDOWED WATCHDOG
system bus
GPIO INTERRUPTS
slave
CORTEX-M0
TEST/DEBUG
SWD, JTAG
USART/
INTERFACE
TIMER
ARM
All information provided in this document is subject to legal disclaimers.
slave
Rev. 2 — 13 January 2012
EEPROM
24/32 kB
1/2/4 kB
FLASH
AHB-LITE BUS
slave
slave
AHB TO APB
SYSTEM OSCILLATOR
BRIDGE
8/10 kB
SRAM
XTALIN XTALOUT
IRC, WDO
slave
BOD
POR
16 kB
ROM
SYSTEM CONTROL
32-bit ARM Cortex-M0 microcontroller
master
10-bit ADC
slave
I
2
IOCON
C-BUS
SSP0
SSP1
PMU
POWER CONTROL,
PLL0
GENERATION,
FUNCTIONS
CONTROLLER
SYSTEM
USB DEVICE
RESET
CLOCK
USB PLL
002aag333
LPC11U2x
© NXP B.V. 2012. All rights reserved.
USB_DP
USB_DM
USB_VBUS
USB_FTOGGLE,
USB_CONNECT
AD[7:0]
SCL, SDA
SCK0, SSEL0,
MISO0, MOSI0
SCK1, SSEL1,
MISO1, MOSI1
CLKOUT
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