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AN2367 数据表(PDF) 9 Page - STMicroelectronics

部件名 AN2367
功能描述  This application note describes an optimized memory copy
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2367 数据表(HTML) 9 Page - STMicroelectronics

Back Button AN2367 Datasheet HTML 5Page - STMicroelectronics AN2367 Datasheet HTML 6Page - STMicroelectronics AN2367 Datasheet HTML 7Page - STMicroelectronics AN2367 Datasheet HTML 8Page - STMicroelectronics AN2367 Datasheet HTML 9Page - STMicroelectronics AN2367 Datasheet HTML 10Page - STMicroelectronics AN2367 Datasheet HTML 11Page - STMicroelectronics AN2367 Datasheet HTML 12Page - STMicroelectronics AN2367 Datasheet HTML 13Page - STMicroelectronics  
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AN2367
Code (IAR Version)
9/13
SUB
R2, R2, #4
CMP
R2,#3
; remaining <= 3 bytes?
BLS
d_switch
;
switch(remaining_bytes 0,1,2,3)
d_891011
LDR
R3, [R1], #4
MOV
R4, R3, LSR #16
STRH
R3, [R0], #2
STRH
R4, [R0], #2
SUB
R2, R2, #4
CMP
R2,#3
; remaining <= 3 bytes?
BLS
d_switch
;
switch(remaining_bytes 0,1,2,3)
d_12131415
LDR
R3, [R1], #4
MOV
R4, R3, LSR #16
STRH
R3, [R0], #2
STRH
R4, [R0], #2
SUB
R2, R2, #4
d_switch
LDR PC,[PC, R2, LSL#2]
B d_END
DC32
d_END
DC32
d_1B
DC32
d_2B
DC32
d_3B
d_1B
LDRB
R3, [R1]
STRB
R3, [R0]
B
d_END
d_2B
LDRH
R3, [R1]
STRH
R3, [R0]
B
d_END
d_3B
LDRH
R3, [R1], #2
LDRB
R4, [R1]



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