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LPC2921 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # LPC2921
Description  ARM9 microcontroller with CAN, LIN, and USB
Download  83 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC2921 Datasheet(HTML) 4 Page - NXP Semiconductors

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LPC2921_23_25_1
© NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 01 — 15 June 2009
4 of 83
NXP Semiconductors
LPC2921/2923/2925
ARM9 microcontroller with CAN, LIN, and USB
4.
Block diagram
Grey-shaded blocks represent peripherals and memory regions accessible by the GPDMA.
Fig 1.
LPC2921/2923/2925 block diagram
EMBEDDED FLASH
512/256/128 kB
002aae224
ARM968E-S
DTCM
16 kB
ITCM
16 kB
TEST/DEBUG
INTERFACE
slave
master
1 master
2 slaves
master
GPDMA CONTROLLER
GPDMA REGISTERS
16 kB
EEPROM
EMBEDDED SRAM 16 kB
(LPC2925 only)
SYSTEM CONTROL
TIMER0/1 MTMR
CAN0/1
GLOBAL
ACCEPTANCE
FILTER
PWM0/1/2/3
3.3 V ADC1/2
EVENT ROUTER
EMBEDDED SRAM 16 kB
GENERAL PURPOSE I/O
PORTS 0/1/5
TIMER 0/1/2/3
SPI0/1/2
RS-485 UART0/1
WDT
AHB TO APB
BRIDGE
AHB TO DTL
BRIDGE
VECTORED
INTERRUPT
CONTROLLER
master
slave
USB DEVICE
CONTROLLER
slave
slave
slave
slave
slave
slave
slave
slave
slave
AHB TO DTL
BRIDGE
AHB TO APB
BRIDGE
QUADRATURE
ENCODER
CHIP FEATURE ID
AHB TO APB
BRIDGE
I2C0/1
UART/LIN0/1
AHB TO APB
BRIDGE
AHB
MULTI-
LAYER
MATRIX
LPC2921/2923/2925
JTAG
interface
8 kB SRAM
general subsystem
power, clock, and
reset subsystem
MSC subsystem
networking subsystem
peripheral subsystem
CLOCK
GENERATION
UNIT
POWER
MANAGEMENT
UNIT
RESET
GENERATION
UNIT


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