 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
UPD784938 Datasheet(PDF) 20 Page - NEC |
|
|
|||||||||||||||||||||||||||||
UPD784938 Datasheet(HTML) 20 Page - NEC |
|
|
20 / 733 page  20 Preliminary User’s Manual U13987EJ1V0UM00 23.1.3 Non-maskable interrupts .............................................................................................................. 528 23.1.4 Maskable interrupts ...................................................................................................................... 528 23.2 Interrupt Service Modes ......................................................................................................... 529 23.2.1 Vectored interrupt service ............................................................................................................ 529 23.2.2 Macro service ............................................................................................................................... 529 23.2.3 Context switching ......................................................................................................................... 529 23.3 Interrupt Service Control Registers ...................................................................................... 530 23.3.1 Interrupt control registers ............................................................................................................ 533 23.3.2 Interrupt mask registers (MK0/MK1) ........................................................................................... 538 23.3.3 In-service priority register (ISPR) ................................................................................................ 540 23.3.4 Interrupt mode control register (IMC) .......................................................................................... 541 23.3.5 Watchdog timer mode register (WDM) ....................................................................................... 542 23.3.6 Program status word (PSW) ........................................................................................................ 543 23.4 Software Interrupt Acknowledgment Operations ................................................................ 544 23.4.1 BRK instruction software interrupt acknowledgment operation ................................................. 544 23.4.2 BRKCS instruction software interrupt (software context switching) acknowledgment operation .......................................................................................................... 544 23.5 Operand Error Interrupt Acknowledgment Operation ........................................................ 546 23.6 Non-Maskable Interrupt Acknowledgment Operation ........................................................ 546 23.7 Maskable Interrupt Acknowledgment Operation ................................................................. 550 23.7.1 Vectored interrupt ......................................................................................................................... 552 23.7.2 Context switching ......................................................................................................................... 552 23.7.3 Maskable interrupt priority levels ................................................................................................ 554 23.8 Macro Service Function .......................................................................................................... 560 23.8.1 Outline of macro service function ................................................................................................ 560 23.8.2 Types of macro service ................................................................................................................ 560 23.8.3 Basic macro service operation .................................................................................................... 563 23.8.4 Operation at end of macro service .............................................................................................. 564 23.8.5 Macro service control registers ................................................................................................... 566 23.8.6 Macro service type A ................................................................................................................... 569 23.8.7 Macro service type B ................................................................................................................... 574 23.8.8 Macro service type C ................................................................................................................... 579 23.8.9 Counter mode ............................................................................................................................... 592 23.9 When Interrupt Requests and Macro Service are Temporarily Held Pending ................ 594 23.10 Instructions whose Execution is Temporarily Suspended by an Interrupt or Macro Service ........................................................................................................................... 596 23.11 Interrupt and Macro Service Operation Timing ................................................................... 596 23.11.1 Interrupt acknowledge processing time ...................................................................................... 597 23.11.2 Processing time of macro service ............................................................................................... 598 23.12 Restoring Interrupt Function to Initial State ........................................................................ 599 23.13 Cautions .................................................................................................................................... 600 CHAPTER 24 LOCAL BUS INTERFACE FUNCTION ........................................................................ 603 24.1 Memory Expansion Function ................................................................................................. 603 24.1.1 Memory expansion mode register (MM) ..................................................................................... 603 24.1.2 Memory map with external memory expansion .......................................................................... 605 24.1.3 Basic operation of local bus interface ......................................................................................... 614 24.2 Wait Function ........................................................................................................................... 615 |
Similar Part No. - UPD784938 |
|
Similar Description - UPD784938 |
|
|
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
