LPC1767FBD100,551 NXP Semiconductors, LPC1767FBD100,551 Datasheet - Page 178
LPC1767FBD100,551
Manufacturer Part Number
LPC1767FBD100,551
Description
IC ARM CORTEX MCU 512K 100-LQFP
Manufacturer
NXP Semiconductors
Series
LPC17xxr
Datasheets
1.LPC1767FBD100551.pdf
(2 pages)
2.LPC1767FBD100551.pdf
(840 pages)
3.LPC1767FBD100551.pdf
(65 pages)
Specifications of LPC1767FBD100,551
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
100MHz
Connectivity
Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 8x12b, D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Processor Series
LPC17
Core
ARM Cortex M3
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, MCB1760, MCB1760U, MCB1760UME
For Use With
622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
568-4967
935289808551
935289808551
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1767FBD100,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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10.17 Interrupts
UM10360
User manual
10.16.2 AHB interface
10.17.1 Direct Memory Access (DMA)
To transmit a packet the software driver has to set up the appropriate Control registers
and a descriptor to point to the packet data buffer before transferring the packet to
hardware by incrementing the TxProduceIndex register. After transmission, hardware will
increment TxConsumeIndex and optionally generate an interrupt.
The hardware will receive packets from the PHY and apply filtering as configured by the
software driver. While receiving a packet the hardware will read a descriptor from memory
to find the location of the associated receiver data buffer. Receive data is written in the
data buffer and receive status is returned in the receive descriptor status word. Optionally
an interrupt can be generated to notify software that a packet has been received. Note
that the DMA manager will prefetch and buffer up to three descriptors.
The registers of the Ethernet block connect to an AHB slave interface to allow access to
the registers from the CPU.
The AHB interface has a 32-bit data path, which supports only word accesses and has an
address aperture of 4 kB.
All AHB write accesses to registers are posted except for accesses to the IntSet, IntClear
and IntEnable registers. AHB write operations are executed in order.
If the PowerDown bit of the PowerDown register is set, all AHB read and write accesses
will return a read or write error except for accesses to the PowerDown register.
Bus Errors
The Ethernet block generates errors for several conditions:
The Ethernet block has a single interrupt request output to the CPU (via the NVIC).
The interrupt service routine must read the IntStatus register to determine the origin of the
interrupt. All interrupt statuses can be set by software writing to the IntSet register;
statuses can be cleared by software writing to the IntClear register.
The transmit and receive data paths can only set interrupt statuses, they cannot clear
statuses. The SoftInt interrupt cannot be set by hardware and can be used by software for
test purposes.
Descriptor arrays
•
•
The AHB interface will return a read error when there is an AHB read access to a
write-only register; likewise a write error is returned when there is an AHB write
access to the read-only register. An AHB read or write error will be returned on AHB
read or write accesses to reserved registers. These errors are propagated back to the
CPU. Registers defined as read-only and write-only are identified in
If the PowerDown bit is set all accesses to AHB registers will result in an error
response except for accesses to the PowerDown register.
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 19 August 2010
Table 128
lists the registers of the Ethernet block.
Chapter 10: LPC17xx Ethernet
UM10360
© NXP B.V. 2010. All rights reserved.
Table
128.
178 of 840
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