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Philips Semiconductors
ARM-based Microcontroller
BLOCK DIAGRAM
ARM7 Local Bus
Internal SRAM
Controller
16 kB
SRAM
EINT3:0
8 x CAP0
8 x MAT
TIMER 0 & 1
Ain3:0
2
Ain7:4
P0.30:0
2
P1.31:16, 1:0
2
P2.31:0
2
P3.31:0
PWM6:1
* Shared with GPIO
1
When Test/Debug Interface is used, GPIO/other functions sharing these pins are not available
2
LPC2292/2294 only.
3
LPC2194/2294 only.
Introduction
Internal Flash
Controller
128/256 kB
FLASH
External
Interrupts
Capture /
Compare
A/D
Converter
General
Purpose I/O
PWM0
Real Time
Clock
Figure 1: LPC2119/2129/2194/2292/2294 Block Diagram
Test/Debug Interface
ARM7TDMI-S
AHB Bridge
AMBA AHB
(Advanced High-performance Bus)
AHB to VPB
VPB
Bridge
Divider
VPB (VLSI
Peripheral Bus)
20
Preliminary User Manual
LPC2119/2129/2194/2292/2294
System
PLL
Functions
System
Clock
Vectored Interrupt
Controller
AHB
Decoder
External Memory
2
Controller
2
I
C Serial
Interface
SPI Serial
Interfaces 0 & 1
UART 0 & 1
DSR1,CTS1,D
CAN
Watchdog
Timer
System
Control
CS3:0*
A23:0*
BLS3:0*
OE, WE*
D31:0*
SCL
SDA
SCK0,1
MOSI0,1
MISO0,1
SSEL0,1
TxD0,1
RxD0,1
CD1, RI1
TD2,1
RD2,1
3
TD4:3
3
RD4,3
May 03, 2004
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