LPC2468FET208,551 NXP Semiconductors, LPC2468FET208,551 Datasheet - Page 276
LPC2468FET208,551
Manufacturer Part Number
LPC2468FET208,551
Description
IC ARM7 MCU FLASH 512K 208TFBGA
Manufacturer
NXP Semiconductors
Series
LPC2400r
Specifications of LPC2468FET208,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
Package / Case
208-TFBGA
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
Package
208TFBGA
Device Core
ARM7TDMI-S
Family Name
LPC2000
Maximum Speed
72 MHz
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
568-4262
935283234551
LPC2468FET208-S
935283234551
LPC2468FET208-S
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
LPC2468FET208,551
Manufacturer:
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Quantity:
6 174
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Part Number:
LPC2468FET208,551
Manufacturer:
NXP Semiconductors
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UM10237_4
User manual
9.21 Reset
The Ethernet block has a hard reset input which is connected to the chip reset, as well as
several soft resets which can be activated by setting the appropriate bit(s) in registers. All
registers in the Ethernet block have a value of 0 after a hard reset, unless otherwise
specified.
Hard reset
After a hard reset, all registers will be set to their default value.
Soft reset
Parts of the Ethernet block can be soft reset by setting bits in the Command register and
the MAC1 configuration register.The MAC1 register has six different reset bits:
The above reset bits must be cleared by software.
The Command register has three different reset bits:
•
•
•
•
•
•
•
•
SOFT RESET: Setting this bit will put all modules in the MAC in reset, except for the
MAC registers (at addresses 0x000 to 0x0FC). The value of the soft reset after a
hardware reset assertion is 1, i.e. the soft reset needs to be cleared after a hardware
reset.
SIMULATION RESET: Resets the random number generator in the Transmit Function.
The value after a hardware reset assertion is 0.
RESET MCS/Rx: Setting this bit will reset the MAC Control Sublayer (pause frame
logic) and the receive function in the MAC. The value after a hardware reset assertion
is 0.
RESET Rx: Setting this bit will reset the receive function in the MAC. The value after a
hardware reset assertion is 0.
RESET MCS/Tx: Setting this bit will reset the MAC Control Sublayer (pause frame
logic) and the transmit function in the MAC. The value after a hardware reset
assertion is 0.
RESET Tx: Setting this bit will reset the transmit function of the MAC. The value after
a hardware reset assertion is 0.
TxReset: Writing a ‘1’ to the TxReset bit will reset the transmit datapath, excluding the
MAC portions, including all (read-only) registers in the transmit datapath, as well as
the TxProduceIndex register in the host registers module. A soft reset of the transmit
datapath will abort all AHB transactions of the transmit datapath. The reset bit will be
cleared autonomously by the Ethernet block. A soft reset of the Tx datapath will clear
the TxStatus bit in the Status register.
RxReset: Writing a ‘1’ to the RxReset bit will reset the receive datapath, excluding the
MAC portions, including all (read-only) registers in the receive datapath, as well as the
RxConsumeIndex register in the host registers module. A soft reset of the receive
datapath will abort all AHB transactions of the receive datapath. The reset bit will be
cleared autonomously by the Ethernet block. A soft reset of the Rx datapath will clear
the RxStatus bit in the Status register.
Rev. 04 — 26 August 2009
Chapter 11: LPC24XX Ethernet
UM10237
© NXP B.V. 2009. All rights reserved.
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