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AT90PWM2 Datasheet(PDF) 278 Page - ATMEL Corporation

Part # AT90PWM2
Description  High Performance, Low Power Atmel
PDF  365 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90PWM2 Datasheet(HTML) 278 Page - ATMEL Corporation

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4317K–AVR–03/2013
AT90PWM2/3/2B/3B
Do_spm:
; check for previous SPM complete
Wait_spm:
in
temp1, SPMCSR
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, EEPE
rjmp Wait_ee
; SPM timed sequence
out
SPMCSR, spmcrval
spm
; restore SREG (to enable interrupts if originally enabled)
out
SREG, temp2
ret
24.7.13
Boot Loader Parameters
In Table 24-6 through Table 24-8, the parameters used in the description of the self program-
ming are given.
Note:
The different BOOTSZ Fuse configurations are shown in Figure 24-2.
Table 24-6.
Boot Size Configuration
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
4
0x000 -
0xF7F
0xF80 -
0xFFF
0xF7F
0xF80
10
256
words
8
0x000 -
0xEFF
0xF00 -
0xFFF
0xEFF
0xF00
01
512
words
16
0x000 -
0xDFF
0xE00 -
0xFFF
0xDFF
0xE00
00
1024
words
32
0x000 -
0xBFF
0xC00 -
0xFFF
0xBFF
0xC00
Table 24-7.
Read-While-Write Limit
Section
Pages
Address
Read-While-Write section (RWW)
96
0x000 - 0xBFF
No Read-While-Write section (NRWW)
32
0xC00 - 0xFFF



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