NXP Semiconductors LPC24XX UM10237 - Manual (Page 15)

UM10237_4 © NXP B.V. 2009. All rights reserved.
User manual Rev. 04 — 26 August 2009 15 of 792
NXP Semiconductors
UM10237
Chapter 1: LPC24XX Introductory information
13. LPC2478 block diagram
Fig 5. LPC2478 block diagram
power domain 2
LPC2478
A[23:0]
D[31:0] EXTERNAL
MEMORY
CONTROLLER
ALARM
002aac805
PWM0, PWM1
ARM7TDMI-S
PLL
EINT3 to EINT0
FLASH
P3, P4
P0, P1, P2,
LEGACY GPI/O
64 PINS TOTAL
P0, P1
SCK0, SCK
3 × I2STX
3 × I2SRX
8 × LCD control
LCDVD[23:0]
LCDCLKIN
MOSI0, MOSI
SSEL0, SSEL
SCK1
MOSI1
MISO1
SSEL1
SCL0, SCL1, SCL2
8 × AD0
RTCX1
RTCX2
MCICLK, MCIPWR
RXD0, RXD2, RXD3
RD1, RD2
TD1, TD2
CAN1, CAN2
port1
XTAL1
TCK TDO
EXTIN0
XTAL2
RESET TRST
TDI TMS
HIGH-SPEED
GPI/O
160 PINS
TOTAL
port2
64 kB
SRAM
512 kB
FLASH
INTERNAL
CONTROLLERS
TEST/DEBUG
INTERFACE
EMULA
TION
TRA
CE MODULE
trace signals
AHB
BRIDGE
AHB
BRIDGE
ETHERNET
MAC WITH
DMA
16 kB
SRAM
MASTER
PORT
AHB TO
AHB BRIDGE
SLAVE
PORT
system
clock
SYSTEM
FUNCTIONS
INTERNAL RC
OSCILLATOR
V DDA
V DD(3V3)
V DD(DCDC)(3V3)
VREF
V
SSA
, V
SSIO,
V
SSCORE
VIC
16 kB
SRAM
USB DEVICE/
HOST/OTG WITH
4 kB RAM AND DMA
GP DMA
CONTROLLER
LCD INTERFACE
WITH DMA
I 2 S INTERFACE
SSP0/SPI INTERFACE
MISO0, MISO
SSP1 INTERFACE
SD/MMC CARD
INTERFACE MCICMD,
MCIDAT[3:0]
TXD0, TXD2, TXD3
UART0, UART2, UART3
UART1
TXD1, DTR1, RTS1
RXD1, DSR1, CTS1,
DCD1, RI1
I 2 C0, I 2 C1, I 2 C2
SDA0, SDA1, SDA2
EXTERNAL INTERRUPTS
CAPTURE/COMPARE
TIMER0/TIMER1/
TIMER2/TIMER3
A/D CONVERTER
D/A CONVERTER
2 kB BATTERY RAM
RTC
OSCILLATOR
REAL-
TIME
CLOCK
WATCHDOG TIMER
SYSTEM CONTROL
2 × CAP0/CAP1/
CAP2/CAP3
4 × MAT2/MAT3,
2 × MAT0,
3 × MAT1
6 × PWM0/PWM1
1 × PCAP0,
2 × PCAP1
AOUT
VBAT
AHB TO
APB BRIDGE
SRAM
MII/RMII
V
BUS
DBGEN
P0, P2
AHB2
AHB1
control lines