LPC1767FBD100,551 NXP Semiconductors, LPC1767FBD100,551 Datasheet - Page 612
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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NXP Semiconductors
UM10360
User manual
31.6.5.1.1 Programming the DMA controller for scatter/gather DMA
31.6.5.1.2 Example of scatter/gather DMA
31.6.5.1 Linked list items
A Linked List Item (LLI) consists of four words. These words are organized in the following
order:
Note: The DMACCxConfig DMA channel Configuration Register is not part of the linked
list item.
To program the DMA Controller for scatter/gather DMA:
See
peripheral. The addresses of each LLI entry are given, in hexadecimal, at the left-hand
side of the figure. In this example, the LLIs describing the transfer are to be stored
contiguously from address 0x2002 0000, but they could be located anywhere. The right
side of the figure shows the memory containing the data to be transferred.
1. DMACCxSrcAddr.
2. DMACCxDestAddr.
3. DMACCxLLI.
4. DMACCxControl.
1. Write the LLIs for the complete DMA transfer to memory. Each linked list item contains
2. Choose a free DMA channel with the priority required. DMA channel 0 has the highest
3. Write the first linked list item, previously written to memory, to the relevant channel in
4. Write the channel configuration information to the channel Configuration Register and
5. An interrupt can be generated at the end of each LLI depending on the Terminal
four words:
– Source address.
– Destination address.
– Pointer to next LLI.
– Control word.
The last LLI has its linked list word pointer set to 0.
priority and DMA channel 7 the lowest priority.
the DMA Controller.
set the Channel Enable bit. The DMA Controller then transfers the first and then
subsequent packets of data as each linked list item is loaded.
Count bit in the DMACCxControl Register. If this bit is set an interrupt is generated at
the end of the relevant LLI. The interrupt request must then be serviced and the
relevant bit in the DMACIntTCClear Register must be set to clear the interrupt.
Figure 135
All information provided in this document is subject to legal disclaimers.
for an example of an LLI. A section of memory is to be transferred to a
Rev. 2 — 19 August 2010
Chapter 31: LPC17xx General Purpose DMA (GPDMA)
UM10360
© NXP B.V. 2010. All rights reserved.
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