LPC2468FBD208,551 NXP Semiconductors, LPC2468FBD208,551 Datasheet - Page 783

• Manufacturer Part Number: LPC2468FBD208,551
• Description: IC ARM7 MCU FLASH 512K 208-LQFP
• Manufacturer: NXP Semiconductors
• Series: LPC2400r

Specifications of LPC2468FBD208,551

• Program Memory Type: FLASH
• Program Memory Size: 512KB (512K x 8)
• Package / Case: 208-LQFP
• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 72MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 160
• Ram Size: 98K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: LPC24
• Core: ARM7TDMI-S
• Data Bus Width: 16 bit, 32 bit
• Data Ram Size: 98 KB
• Interface Type: CAN/I2S/ISP/SSP/UART/USB
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 160
• Number Of Timers: 6
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2, IRD-LPC2468-DEV, SAB-TFBGA208, KSK-LPC2468-PL
• Development Tools By Supplier: OM10100
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• On-chip Dac: 1-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 622-1025 - KIT DEV IND REF DESIGN LPC2468622-1024 - BOARD SCKT ADAPTER FOR TFBGA208568-4358 - DISPLAY QVGA TFT FOR OM10100568-4309 - BOARD EXTENSION LPCSTICK568-4308 - EVAL LPC-STICK WITH LPC2468MCB2400U - BOARD EVAL MCB2400 + ULINK2MCB2400 - BOARD EVAL FOR NXP LPC246X SER622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4261; 935282457551; LPC2468FBD208-S

NXP Semiconductors
5
6
6.1
6.2
6.3
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
Chapter 16: LPC24XX UART0/2/3
1
2
3
4
4.1
4.2
4.3
4.4
4.5
4.6
UM10237_4
User manual
Modes of operation . . . . . . . . . . . . . . . . . . . . 395
Pin configuration . . . . . . . . . . . . . . . . . . . . . . 395
Register description . . . . . . . . . . . . . . . . . . . 400
Basic configuration . . . . . . . . . . . . . . . . . . . . 423
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423
Pin description . . . . . . . . . . . . . . . . . . . . . . . . 423
Register description . . . . . . . . . . . . . . . . . . . 424
Connecting port U1 to an external OTG
transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . 396
Connecting USB as a two-port host . . . . . . . 399
Connecting USB as one port host and one port
device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
USB Interrupt Status Register (USBIntSt -
0xE01F C1C0) . . . . . . . . . . . . . . . . . . . . . . . 401
OTG Interrupt Status Register (OTGIntSt -
0xE01F C100) . . . . . . . . . . . . . . . . . . . . . . . 402
OTG Interrupt Enable Register (OTGIntEn -
0xFFE0 C104) . . . . . . . . . . . . . . . . . . . . . . . 402
OTG Interrupt Set Register (OTGIntSet -
0xFFE0 C20C) . . . . . . . . . . . . . . . . . . . . . . . 402
OTG Interrupt Clear Register (OTGIntClr -
0xFFE0 C10C) . . . . . . . . . . . . . . . . . . . . . . . 402
OTG Status and Control Register (OTGStCtrl -
0xFFE0 C110). . . . . . . . . . . . . . . . . . . . . . . . 402
OTG Timer Register (OTGTmr -
0xFFE0 C114). . . . . . . . . . . . . . . . . . . . . . . . 404
OTG Clock Control Register (OTGClkCtrl -
0xFFE0 CFF4) . . . . . . . . . . . . . . . . . . . . . . . 404
OTG Clock Status Register (OTGClkSt -
0xFFE0 CFF8) . . . . . . . . . . . . . . . . . . . . . . . 405
I2C Receive Register (I2C_RX -
0xFFE0 C300) . . . . . . . . . . . . . . . . . . . . . . . 406
UARTn Receiver Buffer Register (U0RBR -
0xE000 C000, U2RBR - 0xE007 8000, U3RBR -
0xE007 C000 when DLAB = 0, Read Only) . 427
UARTn Transmit Holding Register (U0THR -
0xE000 C000, U2THR - 0xE007 8000, U3THR -
0xE007 C000 when DLAB = 0, Write Only) . 427
UARTn Divisor Latch LSB Register (U0DLL -
0xE000 C000, U2DLL - 0xE007 8000, U3DLL -
0xE007 C000 when DLAB = 1) and UARTn
Divisor Latch MSB Register (U0DLM -
0xE000 C004, U2DLL - 0xE007 8004, U3DLL -
0xE007 C004 when DLAB = 1). . . . . . . . . . . 427
UARTn Interrupt Enable Register (U0IER -
0xE000 C004, U2IER - 0xE007 8004, U3IER -
0xE007 C004 when DLAB = 0). . . . . . . . . . . 428
UARTn Interrupt Identification Register (U0IIR -
0xE000 C008, U2IIR - 0xE007 8008, U3IIR -
0x7008 C008, Read Only) . . . . . . . . . . . . . . 429
UARTn FIFO Control Register (U0FCR -
0xE000 C008, U2FCR - 0xE007 8008, U3FCR -
0xE007 C008, Write Only) . . . . . . . . . . . . . . 431
Rev. 04 — 26 August 2009
7.11
7.12
7.13
7.14
7.15
7.16
8
8.1
8.2
9
9.1
9.1.1
9.2
10
4.7
4.8
4.9
4.10
4.10.1
4.10.2
4.11
4.12
4.12.1
4.12.1.1
4.12.1.2
4.13
Chapter 36: LPC24XX Supplementary information
HNP support . . . . . . . . . . . . . . . . . . . . . . . . . . 411
Clocking and power management. . . . . . . . 419
USB OTG controller initialization . . . . . . . . 421
I2C Transmit Register (I2C_TX -
0xFFE0 C300) . . . . . . . . . . . . . . . . . . . . . . . 406
I2C Status Register (I2C_STS -
0xFFE0 C304) . . . . . . . . . . . . . . . . . . . . . . . 406
I2C Control Register (I2C_CTL -
0xFFE0 C308) . . . . . . . . . . . . . . . . . . . . . . . 408
I2C Clock High Register (I2C_CLKHI -
0xFFE0 C30C) . . . . . . . . . . . . . . . . . . . . . . . 409
I2C Clock Low Register (I2C_CLKLO -
0xFFE0 C310) . . . . . . . . . . . . . . . . . . . . . . . 410
Interrupt handling . . . . . . . . . . . . . . . . . . . . . 410
B-device: peripheral to host switching . . . . . 412
Remove D+ pull-up . . . . . . . . . . . . . . . . . . . . 414
Add D+ pull-up . . . . . . . . . . . . . . . . . . . . . . . . 415
A-device: host to peripheral HNP switching. 415
Set BDIS_ACON_EN in external OTG
transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Clear BDIS_ACON_EN in external OTG trans-
ceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Discharge V
Load and enable OTG timer . . . . . . . . . . . . . 419
Stop OTG timer . . . . . . . . . . . . . . . . . . . . . . . 419
Suspend host on port 1 . . . . . . . . . . . . . . . . . 419
Device clock request signals . . . . . . . . . . . . 420
Host clock request signals . . . . . . . . . . . . . . 421
Power-down mode support . . . . . . . . . . . . . 421
UARTn Line Control Register (U0LCR -
0xE000 C00C, U2LCR - 0xE007 800C, U3LCR -
0xE007 C00C) . . . . . . . . . . . . . . . . . . . . . . . 431
UARTn Line Status Register (U0LSR -
0xE000 C014, U2LSR - 0xE007 8014, U3LSR -
0xE007 C014, Read Only) . . . . . . . . . . . . . . 432
UARTn Scratch Pad Register (U0SCR -
0xE000 C01C, U2SCR - 0xE007 801C U3SCR -
0xE007 C01C) . . . . . . . . . . . . . . . . . . . . . . . 434
UARTn Auto-baud Control Register (U0ACR -
0xE000 C020, U2ACR - 0xE007 8020, U3ACR -
0xE007 C020) . . . . . . . . . . . . . . . . . . . . . . . 434
Auto-baud . . . . . . . . . . . . . . . . . . . . . . . . . . 435
Auto-baud modes. . . . . . . . . . . . . . . . . . . . . 435
IrDA Control Register for UART3 Only (U3ICR -
0xE007 C024) . . . . . . . . . . . . . . . . . . . . . . . 437
UARTn Fractional Divider Register (U0FDR -
0xE000 C028, U2FDR - 0xE007 8028, U3FDR -
0xE007 C028) . . . . . . . . . . . . . . . . . . . . . . . 437
Baudrate calculation . . . . . . . . . . . . . . . . . . 438
Example 1: PCLK = 14.7456 MHz,
BR = 9600 . . . . . . . . . . . . . . . . . . . . . . . . . . 440
Example 2: PCLK = 12 MHz, BR = 115200 . 440
UARTn Transmit Enable Register (U0TER -
0xE000 C030, U2TER - 0xE007 8030, U3TER -
0xE007 C030) . . . . . . . . . . . . . . . . . . . . . . . 440
BUS
. . . . . . . . . . . . . . . . . . . . . . . 418
UM10237
© NXP B.V. 2009. All rights reserved.
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