LPC2148 Philips, LPC2148 Datasheet - Page 3

• Manufacturer Part Number: LPC2148
• Description: 16/32 Bit Microcontroller
• Manufacturer: Philips

Philips Semiconductors
4. Block diagram
9397 750 14985
Preliminary data sheet
PWM6 to PWM0
Fig 1. Block diagram
EINT3 to EINT0
P0[31:28] and
AD0[7:6] and
AD1[7:0]
(1) Pins shared with GPIO.
(2) LPC2148 only.
(3) USB DMA controller with 8 kB of RAM accessible as general purpose RAM and/or DMA is available in LPC2148 only.
4 × CAP0
4 × CAP1
8 × MAT0
8 × MAT1
P1[31:16]
AD0[4:1]
P0[25:0]
AOUT
(2)
CONTROLLER
INTERNAL
16/32 kB
SRAM
SRAM
ARM7 local bus
LPC2142/2148
(W/EXTERNAL CLOCK)
CAPTURE/COMPARE
PURPOSE FAST I/O
A/D CONVERTERS
TIMER 0/TIMER 1
INTERRUPTS
EXTERNAL
0 AND 1
GENERAL
PWM0
CONTROLLER
INTERNAL
64/512 kB
(2)
FLASH
FLASH
TRST
(1)
TMS
ARM7TDMI-S
Rev. 01 — 22 June 2005
AHB BRIDGE
TEST/DEBUG
INTERFACE
(1)
TCK
AHB TO VPB
(1)
BRIDGE
TDI
(1)
TDO
peripheral bus)
(Advanced High-performance Bus)
(1)
VPB (VLSI
DIVIDER
VPB
system
clock
clock
USB
AMBA AHB
DEVICE CONTROLLER
INTERFACES 0 AND 1
USB 2.0 FULL-SPEED
SERIAL INTERFACES
Single-chip 16/32-bit microcontrollers
SHARED WITH
PLL(1)
PLL(2)
REAL-TIME CLOCK
USB DMA
I
2
8 kB RAM
UART0/UART1
C-BUS SERIAL
SPI AND SSP
WATCHDOG
WITH DMA
CONTROL
SYSTEM
TIMER
(3)
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
XTAL1
CONTROLLER
LPC2142/2148
INTERRUPT
FUNCTIONS
VECTORED
(3)
SYSTEM
XTAL2
DECODER
AHB
RST
002aab560
D+
D−
UP_LED
CONNECT
V
SCL0, SCL1
SDA0, SDA1
SCK0, SCK1
MOSI0, MOSI1
MISO0, MISO1
SSEL0, SSEL1
TXD0, TXD1
RXD0, RXD1
DSR1
RTS1
DCD1
RTXC1
RTXC2
V
BUS
BAT
(2)
(2)
(2)
, DTR1
,CTS1
,RI1
3 of 40
(2)
(2)
(2)
,