| поискавой системы для электроныых деталей |
|
NSC800N датащи(PDF) 17 Page - National Semiconductor (TI) |
|
|
|
|||||||||||||||||||||||||||||
NSC800N датащи(HTML) 17 Page - National Semiconductor (TI) |
|
17 / 76 page ![]() 90 Timing and Control (Continued) During the opcode fetch the CPU places the contents of the PC on the address bus The falling edge of ALE indi- cates a valid address on the AD(0 – 7) lines The WAIT input is sampled during t2 and if active causes the NSC800 to insert a wait state (tw) WAIT is sampled again during tw so that when it goes inactive the CPU continues its opcode fetch by latching in the data on the rising edge of RD from the AD(0 – 7) lines During t3 RFSH goes active and AD(0– 7) has the dynamic RAM refresh address from register R and A(8 – 15) the interrupt vector from register I TLC5171 – 17 FIGURE 10a Memory ReadWrite Cycles without WAIT States TLC5171 – 18 FIGURE 10b Memory Read and Write with WAIT States 17 |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю 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 |