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Philips Semiconductors
Volume 1
1.9 Block diagram
LPC2131/2132/2134/2136/2138
ARM7 local bus
INTERNAL
SRAM
CONTROLLER
8/16/32 kB
SRAM
EINT3:0
8 × CAP0
8 × MAT
AD0.7:0
(1)
AD1.7:0
(2)
AOUT
P0.31:0
P1.31:16
PWM6:1
(1) LPC2134/2136/2138 only.
(2) LPC2132/2134/2136/2138 only.
(3) Pins shared with GPIO.
Fig 1. LPC2131/2/4/6/8 block diagram
User manual
TMS
(3)
TRST
TEST/DEBUG
INTERFACE
ARM7TDMI-S
AHB BRIDGE
INTERNAL
FLASH
CONTROLLER
32/64/128/
256/512 kB
FLASH
EXTERNAL
INTERRUPTS
CAPTURE/
COMPARE
TIMER 0/TIMER 1
A/D CONVERTERS
(1)
0 AND 1
GENERAL
PURPOSE I/O
PWM0
Rev. 01 — 24 June 2005
(3)
(3)
TDI
(3)
(3)
TCK
TDO
PLL
system
clock
AMBA AHB
(Advanced High-performance Bus)
AHB TO VPB
VPB
BRIDGE
DIVIDER
VPB (VLSI
peripheral bus)
INTERFACES 0 AND 1
SERIAL INTERFACES
REAL TIME CLOCK
UM10120
Chapter 1: Introductory information
XTAL2
XTAL1
RST
SYSTEM
FUNCTIONS
VECTORED
INTERRUPT
CONTROLLER
AHB
DECODER
2
I
C SERIAL
SPI AND SSP
UART0/UART1
WATCHDOG
TIMER
SYSTEM
CONTROL
002aab067
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
SCL0,1
SDA0,1
SCK0,1
MOSI0,1
MISO0,1
SSEL0,1
TXD0,1
RXD0,1
(1)
(1)
DSR1
,CTS1
,
(1)
(1)
RTS1
, DTR1
(1)
(1)
DCD1
,RI1
RTXC1
RTXC2
V
BAT
7
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