Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

AT90USB646 Datasheet(PDF) 366 Page - ATMEL Corporation

Part # AT90USB646
Description  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Datasheet(HTML) 366 Page - ATMEL Corporation

Back Button AT90USB646 Datasheet HTML 362Page - ATMEL Corporation AT90USB646 Datasheet HTML 363Page - ATMEL Corporation AT90USB646 Datasheet HTML 364Page - ATMEL Corporation AT90USB646 Datasheet HTML 365Page - ATMEL Corporation AT90USB646 Datasheet HTML 366Page - ATMEL Corporation AT90USB646 Datasheet HTML 367Page - ATMEL Corporation AT90USB646 Datasheet HTML 368Page - ATMEL Corporation AT90USB646 Datasheet HTML 369Page - ATMEL Corporation AT90USB646 Datasheet HTML 370Page - ATMEL Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 366 / 434 page
background image
366
7593A–AVR–02/06
AT90USB64/128
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, 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
28.7.14
AT90USB64/128 Boot Loader Parameters
In Table 28-8 through Table 28-10, the parameters used in the description of the Self-Program-
ming are given.
Note:
1. The different BOOTSZ Fuse configurations are shown in Figure 28-2
Table 28-8.
Boot Size Configuration (Word Addresses)
(1)
1
1
512 words
4
0x0000 - 0x7DFF
0x7E00 - 0x7FFF
0x7DFF
0x7E00
1
0
1024 words
8
0x0000 - 0x7BFF
0x7C00 - 0x7FFF
0x7BFF
0x7C00
0
1
2048 words
16
0x0000 - 0x77FF
0x7800 - 0x7FFF
0x77FF
0x7800
0
0
4096 words
32
0x0000 - 0x6FFF
0x7000 - 0x7FFF
0x6FFF
0x7000
1
1
512 words
4
0x0000 - 0xFDFF
0xFE00 - 0xFFFF
0xFDFF
0xFE00
1
0
1024 words
8
0x0000 - 0xFBFF
0xFC00 - 0xFFFF
0xFBFF
0xFC00
0
1
2048 words
16
0x0000 - 0xF7FF
0xF800 - 0xFFFF
0xF7FF
0xF800
0
0
4096 words
32
0x0000 - 0xEFFF
0xF000 - 0xFFFF
0xEFFF
0xF000



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com