LPC1767FBD100,551 NXP Semiconductors, LPC1767FBD100,551 Datasheet - Page 675

• 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
34.2.4.8.4 Condition flags
34.2.4.8.5 Examples
These instructions do not change the flags.
•
•
•
•
do not use PC
do not use SP for Rd and Rt
for STREX, Rd must be different from both Rt and Rn
the value of offset must be a multiple of four in the range 0-1020.
try
MOV
LDREX
CMP
ITT
STREXEQ R0, R1, [LockAddr] ; Try and claim the lock
CMPEQ
BNE
....
All information provided in this document is subject to legal disclaimers.
R1, #0x1
R0, [LockAddr]
R0, #0
EQ
R0, #0
try
Rev. 2 — 19 August 2010
; Initialize the ‘lock taken’ value
; Load the lock value
; Is the lock free?
; IT instruction for STREXEQ and CMPEQ
; Did this succeed?
; No – try again
; Yes – we have the lock
Chapter 34: Appendix: Cortex-M3 user guide
UM10360
© NXP B.V. 2010. All rights reserved.
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