LPC2468FBD208,551 NXP Semiconductors, LPC2468FBD208,551 Datasheet - Page 415
LPC2468FBD208,551
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
935282457551
LPC2468FBD208-S
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
LPC2468FBD208,551
Manufacturer:
TI
Quantity:
1 908
Company:
Part Number:
LPC2468FBD208,551
Manufacturer:
NXP Semiconductors
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UM10237_4
User manual
8.2 A-device: host to peripheral HNP switching
/* Wait for TDI to be set */
while (!(OTG_I2C_STS & TDI));
/* Clear TDI */
OTG_I2C_STS = TDI;
Add D+ pull-up
/* Add D+ pull-up through ISP1302 */
OTG_I2C_TX = 0x15A; // Send ISP1302 address, R/W=0
OTG_I2C_TX = 0x006; // Send OTG Control (Set) register address
OTG_I2C_TX = 0x201; // Set DP_PULLUP bit, send STOP condition
/* Wait for TDI to be set */
while (!(OTG_I2C_STS & TDI));
/* Clear TDI */
OTG_I2C_STS = TDI;
In this case, the role of the OTG controller is host (A-device), and the A-device switches
roles from host to peripheral.
The On-The-Go Supplement defines the behavior of a dual-role A-device during HNP
using a state machine diagram. The OTG software stack is responsible for implementing
all of the states in the Dual-Role A-Device State Diagram.
The OTG controller hardware provides support for the state transitions between a_host,
a_suspend, a_wait_vfall, and a_peripheral in the Dual-Role A-Device state diagram.
Setting A_HNP_TRACK in the OTGStCtrl register enables hardware support for switching
the A-device from the host state to the device state. The hardware actions after setting
this bit are shown in
Figure
Rev. 04 — 26 August 2009
15–62.
Chapter 15: LPC24XX USB OTG controller
UM10237
© NXP B.V. 2009. All rights reserved.
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