LPC1767FBD100,551 NXP Semiconductors, LPC1767FBD100,551 Datasheet - Page 606

• Manufacturer Part Number: LPC1767FBD100,551
• Description: IC ARM CORTEX MCU 512K 100-LQFP
• Manufacturer: NXP Semiconductors
• Series: LPC17xxr

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

NXP Semiconductors
UM10360
User manual
31.5.21.1 Lock control
31.5.21.2 Transfer type
The lock control may set the lock bit by writing a 1 to bit 16 of the DMACCxConfig
Register. When a burst occurs, the AHB arbiter will not de-grant the master during the
burst until the lock is de-asserted. The DMA Controller can be locked for a a single burst
such as a long source fetch burst or a long destination drain burst. The DMA Controller
does not usually assert the lock continuously for a source fetch burst followed by a
destination drain burst.
There are situations when the DMA Controller asserts the lock for source transfers
followed by destination transfers. This is possible when internal conditions in the DMA
Controller permit it to perform a source fetch followed by a destination drain back-to-back.
Table 565
Table 565. Transfer type bits
Bit value
000
001
010
011
100 to 111
lists the bit values of the transfer type bits identified in
Transfer type
Memory to memory
Peripheral to memory
Source peripheral to destination peripheral
Memory to peripheral
Reserved, do not use these combinations
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 19 August 2010
Chapter 31: LPC17xx General Purpose DMA (GPDMA)
Controller
DMA
DMA
DMA
DMA
-
Table
UM10360
564.
© NXP B.V. 2010. All rights reserved.
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