LPC2144 NXP [NXP Semiconductors], LPC2144 Datasheet - Page 3

• Manufacturer Part Number: LPC2144
• Description: Single-chip 16-bit/32-bit microcontrollers; up to 512 kB flash with ISP/IAP, USB 2.0 full-speed device, 10-bit ADC and DAC
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
4. Block diagram
LPC2141_42_44_46_48_3
Product data sheet
PWM6 to PWM0
Fig 1. Block diagram
EINT3 to EINT0
P0[31:28] and
P0[31:28] and
AD0[7:6] and
AD1[7:0]
(1) Pins shared with GPIO.
(2) LPC2144/46/48 only.
(3) USB DMA controller with 8 kB of RAM accessible as general purpose RAM and/or DMA is available in LPC2146/48 only.
(4) LPC2142/44/46/48 only.
P1[31:16]
8
8
4
4
P1[31:16]
AD0[4:1]
P0[25:0]
AOUT
P0[25:0]
MAT0
MAT1
CAP0
CAP1
(2)
(4)
LPC2141/42/44/46/48
CONTROLLER
8 kB/16 kB/
INTERNAL
SRAM
SRAM
32 kB
FAST GENERAL
PURPOSE I/O
(W/EXTERNAL CLOCK)
ARM7 local bus
CAPTURE/COMPARE
ADC0 AND ADC1
TIMER 0/TIMER 1
PURPOSE I/O
INTERRUPTS
EXTERNAL
GENERAL
PWM0
32 kB/64 kB/128 kB/
CONTROLLER
256 kB/512 kB
INTERNAL
FLASH
FLASH
(2)
TRST
(1)
Rev. 03 — 19 October 2007
TMS
ARM7TDMI-S
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
LPC2141/42/44/46/48
AMBA AHB
Single-chip 16-bit/32-bit microcontrollers
DEVICE CONTROLLER
INTERFACES 0 AND 1
USB 2.0 FULL-SPEED
SERIAL INTERFACES
SHARED WITH
REAL-TIME CLOCK
PLL0
PLL1
USB DMA
I
2
8 kB RAM
UART0/UART1
C-BUS SERIAL
SPI AND SSP
WATCHDOG
WITH DMA
CONTROL
SYSTEM
TIMER
(3)
XTAL1
CONTROLLER
INTERRUPT
VECTORED
FUNCTIONS
(3)
SYSTEM
XTAL2
DECODER
AHB
RST
002aab560
© NXP B.V. 2007. All rights reserved.
D+
D
UP_LED
CONNECT
VBUS
SCL0, SCL1
SDA0, SDA1
SCK0, SCK1
MOSI0, MOSI1
MISO0, MISO1
SSEL0, SSEL1
TXD0, TXD1
RXD0, RXD1
DSR1
RTS1
DCD1
RTCX1
RTCX2
V BAT
(2)
(2)
(2)
, DTR1
,CTS1
,RI1
3 of 39
(2)
(2)
(2)
,