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ATmega162 데이터시트(PDF) 228 Page - ATMEL Corporation

부품명 ATmega162
상세설명  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  324 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega162 데이터시트(HTML) 228 Page - ATMEL Corporation

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2513K–AVR–07/09
ATmega162/V
ld
r1, Y+
cpse
r0, r1
jmp
Error
sbiw
loophi:looplo, 1
;use subi for PAGESIZEB<=256
brne
Rdloop
; return to RWW section
; verify that RWW section is safe to read
Return:
in
temp1, SPMCR
sbrs
temp1, RWWSB
; If RWWSB is set, the RWW section is not
; ready yet
ret
; re-enable the RWW section
ldi
spmcrval, (1<<RWWSRE) | (1<<SPMEN)
call
Do_spm
rjmp
Return
Do_spm:
; check for previous SPM complete
Wait_spm:
in
temp1, SPMCR
sbrc
temp1, SPMEN
rjmp
Wait_spm
; input: spmcrval determines SPM action
; disable interrupts if enabled, store status
in
temp2, SREG
cli
; check that no EEPROM write access is present
Wait_ee:
sbic
EECR, EEWE
rjmp
Wait_ee
; SPM timed sequence
out
SPMCR, spmcrval
spm
; restore SREG (to enable interrupts if originally enabled)
out
SREG, temp2
ret
ATmega162 Boot
Loader Parameters
In Table 93 through Table 95, the parameters used in the description of the self programming
are given.
Table 93. Boot Size Configuration
(1)
BOOTSZ1
BOOTSZ0
Boot
Size
Pages
Application
Flash
Section
Boot
Loader
Flash
Section
End
Application
Section
Boot Reset
Address
(Start Boot
Loader
Section)
11
128
words
2
0x0000 -
0x1F7F
0x1F80 -
0x1FFF
0x1F7F
0x1F80
10
256
words
4
0x0000 -
0x1EFF
0x1F00 -
0x1FFF
0x1EFF
0x1F00
01
512
words
8
0x0000 -
0x1DFF
0x1E00 -
0x1FFF
0x1DFF
0x1E00
00
1024
words
16
0x0000 -
0x1BFF
0x1C00 -
0x1FFF
0x1BFF
0x1C00



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