 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
ATMEGA161-4PI Datasheet(PDF) 86 Page - ATMEL Corporation |
|
||||||||||||||||||||||||||||||
ATMEGA161-4PI Datasheet(HTML) 86 Page - ATMEL Corporation |
|
|
86 / 159 page  86 ATmega161(L) 1228D–AVR–02/07 Figure 49. External Memory with Page Select Figure 50. External Data Memory Cycles without Wait State (SRWn1 = 0 and SRWn0 =0) (1) Note: 1. SRWn1 = SRW11 (upper page) or SRW01 (lower page), SRWn0 = SRW10 (upper page) or SRW00 (lower page). The ALE pulse in period T4 is only present if the next instruction accesses the RAM (internal or external). The Data and Address will only change in T4 if ALE is present (the next instruction accesses the RAM). $0000 Data Memory $0460 External Memory (0-63K x 8) $FFFF Internal memory SRL[2..0] SRW11 SRW10 SRW01 SRW00 Lower page Upper page System Clock Ø ALE WR RD Data/Address [7..0] Data/Address [7..0] Address [15..8] Address Address Address T1 T2 T3 XX Data Data T4 XX XX XX XX Prev. addr. XX Prev. data XX Prev. data |
Similar Part No. - ATMEGA161-4PI |
|
Similar Description - ATMEGA161-4PI |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
