 |
数据搜索系统，热门电子元器件搜索 |
|
|
数据搜索系统，热门电子元器件搜索 |
|
ATMEGA640 数据表(PDF) 21 Page - ATMEL Corporation |
|
|
|||||||||||||||||||||||||||||
ATMEGA640 数据表(HTML) 21 Page - ATMEL Corporation |
|
|
21 / 449 page  21 ATmega640/1280/1281/2560/2561 2549K–AVR–01/07 all these addressing modes. The Register File is described in “General Purpose Regis- ter File” on page 13. Data Memory Access Times This section describes the general access timing concepts for internal memory access. The internal data SRAM access is performed in two clk CPU cycles as described in Figure 12. Figure 12. On-chip Data SRAM Access Cycles Table 4. Data Memory Map Address (HEX) 0 - 1F 32 Registers 20 - 5F 64 I/O Registers 60 - 1FF 416 External I/O Registers 200 Internal SRAM (8192 x 8) 21FF 2200 External SRAM (0 - 64K x 8) FFFF clk WR RD Data Data Address Address valid T1 T2 T3 Compute Address CPU Memory Access Instruction Next Instruction |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| 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 |
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
