lpc1224 NXP Semiconductors, lpc1224 Datasheet - Page 5

• Manufacturer Part Number: lpc1224
• Description: Lpc122x 32-bit Arm Cortex-m0 Microcontroller; Up To 128 Kb Flash And 8 Kb Sram
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Block diagram
LPC122X
Objective data sheet
Fig 1.
DTR0, DSR0, CTS0,
DCD0, RI0, RTS0
GPIO ports
LPC122x block diagram
2 × MAT
2 × MAT
2 × CAP
2 × CAP
4 × MAT
4 × MAT
4 × CAP
4 × CAP
SSEL
MISO
MOSI
SCK
RXD0
RXD1
TXD0
TXD1
SDA
SCL
LPC122x
32-bit COUNTER/TIMER 0
32-bit COUNTER/TIMER 1
16-bit COUNTER/TIMER 0
16-bit COUNTER/TIMER 1
CORTEX-M0
UART0 RS-485
TEST/DEBUG
HIGH-SPEED
INTERFACE
SSP/SPI
UART1
ARM
GPIO
I
SWD
2
C
system
bus
slave
All information provided in this document is subject to legal disclaimers.
Rev. 1.1 — 21 February 2011
CONTROLLER
MICRO DMA
AHB-APB
BRIDGE
master
AHB-LITE BUS
IRC, OSCILLATORS
slave
32/48/64/80/
96/128 kB
FLASH
Grey-shaded blocks represent peripherals
with connection to the micro DMA
ENGINE
BOD
POR
CRC
slave
RTC
MICRO DMA REGISTERS
slave
32-bit ARM Cortex-M0 microcontroller
SYSTEM CONTROL
COMPARATOR0/1
WINDOWED WDT
SRAM
4/8 kB
XTALOUT
10-bit ADC
IOCONFIG
32 kHz OSCILLATOR
POWER CONTROL,
clocks and controls
slave
GENERATION,
FUNCTIONS
SYSTEM
XTALIN
CLOCK
ROM
RESET
slave
002aaf269
LPC122x
© NXP B.V. 2011. All rights reserved.
RTCXOUT
RTCXIN
CLKOUT
AD[7:0]
ACMP0_I[3:0]
ACMP1_I[3:0]
ACMP0_O
ACMP1_O
VREF_CMP
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