LPC2925 NXP Semiconductors, LPC2925 Datasheet - Page 4

• Manufacturer Part Number: LPC2925
• Description: (LPC2921 - LPC2925) ARM9 microcontroller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
4. Block diagram
LPC2921_2923_2925_0
Preliminary data sheet
Fig 1.
www.DataSheet4U.com
TIMER0/1 MTMR
LPC2921/2923/2925
ACCEPTANCE
QUADRATURE
MANAGEMENT
3.3 V ADC1/2
PWM0/1/2/3
Grey-shaded blocks represent peripherals and memory regions accessible by the GPDMA.
LPC2921/2923/2925 block diagram
GENERATION
GENERATION
ENCODER
GLOBAL
FILTER
POWER
CAN0/1
I
CLOCK
RESET
2
UNIT
UNIT
UNIT
C0/1
CONTROLLER
INTERRUPT
VECTORED
networking subsystem
power. clock, and
reset subsystem
MSC subsystem
AHB TO DTL
AHB TO APB
AHB TO APB
AHB TO DTL
BRIDGE
BRIDGE
BRIDGE
BRIDGE
1 master
2 slaves
ITCM
16 kB
Rev. 00.01 — 24 October 2008
slave
slave
slave
slave
TEST/DEBUG
ARM968E-S
INTERFACE
8 kB SRAM
interface
JTAG
MATRIX
MULTI-
LAYER
AHB
master
master
master
slave
slave
slave
slave
slave
slave
slave
DTCM
16 kB
peripheral subsystem
general subsystem
EMBEDDED SRAM 16 kB
EMBEDDED SRAM 16 kB
AHB TO APB
AHB TO APB
GPDMA CONTROLLER
GPDMA REGISTERS
EMBEDDED FLASH
BRIDGE
BRIDGE
ARM9 microcontroller with CAN and LIN
512/256/128 kB
(LPC2925 only)
CONTROLLER
USB DEVICE
LPC2921/2923/2925
SYSTEM CONTROL
GENERAL PURPOSE I/O
CHIP FEATURE ID
EVENT ROUTER
EEPROM
16 kB
RS485 UART0/1
TIMER 0/1/2/3
PORTS 0/1/5
© NXP B.V. 2008. All rights reserved.
SPI0/1/2
WDT
002aae224
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