LPC2458 NXP Semiconductors, LPC2458 Datasheet - Page 4

NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace

LPC2458

Manufacturer Part Number
LPC2458
Description
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer
NXP Semiconductors
Datasheet

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5. Block diagram
LPC2458
Product data sheet
Fig 1.
6 × PWM0, PWM1
2 × CAP0/CAP1/
EINT3 to EINT0
2 × MAT1/MAT0
power domain 2
CAP2/CAP3
1 × PCAP0,
2 × PCAP1
2 × MAT3,
P0, P1, P2,
4 × MAT2,
LPC2458 block diagram
MII/RMII
8 × AD0
ALARM
RTCX1
RTCX2
P0, P2
P0, P1
AOUT
P3, P4
VBAT
HIGH-SPEED
ETHERNET
LPC2458
MAC WITH
OSCILLATOR
136 PINS
DMA
GPIO
TOTAL
EXTERNAL INTERRUPTS
RTC
CAPTURE/COMPARE
2 kB BATTERY RAM
SYSTEM CONTROL
WATCHDOG TIMER
A/D CONVERTER
D/A CONVERTER
TIMER0/TIMER1/
TIMER2/TIMER3
LEGACY GPI/O
64 PINS TOTAL
PWM0, PWM1
AHB2
SRAM
SRAM
16 kB
64 kB
CONTROLLERS
SRAM
INTERNAL
CLOCK
REAL-
TIME
All information provided in this document is subject to legal disclaimers.
512 kB
FLASH
FLASH
BRIDGE
MASTER
PORT
AHB
TRST
Rev. 4 — 1 September 2011
ARM7TDMI-S
TMS
TEST/DEBUG
INTERFACE
TCK TDO
AHB BRIDGE
APB BRIDGE
AHB TO
TDI
AHB TO
EXTIN0
trace signals
BRIDGE
AHB
SLAVE
PORT
DBGEN
VIC
system
clock
PLL
SPI, SSP0 INTERFACE
UART0, UART2, UART3
RESET
SSP1 INTERFACE
SRAM
16 kB
I
SD/MMC CARD
I
4 kB RAM AND DMA
2
2
HOST/OTG WITH
CAN1, CAN2
S INTERFACE
INTERFACE
C0, I
USB DEVICE/
XTAL2
CONTROLLER
UART1
INTERNAL RC
OSCILLATOR
AHB1
2
FUNCTIONS
GPDMA
C1, I
CONTROLLER
XTAL1
SYSTEM
EXTERNAL
Single-chip 16-bit/32-bit micro
MEMORY
2
C2
V
DDA
002aad093
V
DD(3V3)
LPC2458
VREF
V
V
© NXP B.V. 2011. All rights reserved.
A[19:0]
control lines
V
port 1
port 2
I2SRX_CLK
I2STX_CLK
I2SRX_WS
I2STX_WS
I2SRX_SDA
I2STX_SDA
SCK, SCK0
MOSI, MOSI0
MISO, MISO0
SSEL, SSEL0
SCK1
MOSI1
MISO1
SSEL1
MCICLK, MCIPWR
MCICMD,
MCIDAT[3:0]
TXD0, TXD2, TXD3
RXD0, RXD2, RXD3
TXD1
RXD1
DTR1, RTS1
DSR1, CTS1, DCD1,
RI1
RD1, RD2
TD1, TD2
SCL0, SCL1, SCL2
SDA0, SDA1, SDA2
D[15:0]
SSA
DD(DCDC)(3V3)
BUS
, V
SSIO,
V
SSCORE
4 of 80

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