LPC2290 Datasheet, PDF (3/41 Pages) NXP Semiconductors – 16/32-bit ARM microcontrollers with CAN, 10-bit ADC and external memory interface

Philips Semiconductors
4. Block diagram
LPC2290
16/32-bit ARM microcontrollers with external memory interface
ARM7 LOCAL BUS
TEST/DEBUG
INTERFACE
ARM7TDMI-S
AHB BRIDGE
system
clock
PLL
SYSTEM
FUNCTIONS
VECTORED INTERRUPT
CONTROLLER
AMBA AHB
(Advanced High-performance Bus)
INTERNAL SRAM
CONTROLLER
16 kB
SRAM
EINT3:0
EXTERNAL
INTERRUPTS
8 x CAP0
8 x MAT
Ain3:0
Ain7:4
P0.30:0
P1.31:16, 1:0
P2.31:0
P3.31:0
CAPTURE/
COMPARE
TIMER 0 & 1
A/D
CONVERTER
GENERAL
PURPOSE I/O
PWM6:1
PWM0
AHB TO VPB VPB
BRIDGE DIVIDER
VPB (VLSI
peripheral bus)
AHB
DECODER
EXTERNAL MEMORY
CONTROLLER
CS3:0*
A23:0*
BLS3:0*
OE, WE*
D31:0*
I2C SERIAL
INTERFACE
SCL
SDA
SPI SERIAL
INTERFACES 0 & 1
UART 0 & 1
SCK0,1
MOSI0,1
MISO0,1
SSEL0,1
TxD0,1
RxD0,1
DSR1,CTS1,
DCD1, RI1
CAN
TD2:1
RD2:1
WATCHDOG
TIMER
REAL TIME
CLOCK
SYSTEM
CONTROL
*Shared with GPIO
(1) When test/debug interface is used, GPIO/other function sharing these pins are not available.
Fig 1. Block diagram.
002aaa796
9397 750 12874
Preliminary data
Rev. 01 — 09 February 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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