tmp89fm42l TOSHIBA Semiconductor CORPORATION, tmp89fm42l Datasheet - Page 6

• Manufacturer Part Number: tmp89fm42l
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

3. Interrupt Control Circuit
4. External Interrupt control circuit
5. Watchdog Timer (WDT)
6. Power-on Reset Circuit
ii
3.1 Configuration...........................................................................................................................51
3.2 Interrupt Latches (IL25 to IL3)................................................................................................52
3.3 Interrupt Enable Register (EIR)...............................................................................................53
3.4 Maskable Interrupt Priority Change Function.........................................................................56
3.5 Interrupt Sequence...................................................................................................................58
3.6 Software Interrupt (INTSW)....................................................................................................62
3.7 Undefined Instruction Interrupt (INTUNDEF).......................................................................62
3.8 Revision History......................................................................................................................63
4.1 Configuration...........................................................................................................................65
4.2 Control.....................................................................................................................................65
4.3 Function...................................................................................................................................69
5.1 Configuration...........................................................................................................................75
5.2 Control.....................................................................................................................................76
5.3 Functions..................................................................................................................................78
3.3.1
3.3.2
3.5.1
3.5.2
3.5.3
3.5.4
3.6.1
3.6.2
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
3.5.3.1
3.5.3.2
3.5.3.3
4.3.3.1
4.3.3.2
4.3.3.3
4.3.4.1
4.3.4.2
4.3.4.3
Interrupt master enable flag (IMF)....................................................................................................................................53
Individual interrupt enable flags (EF25 to EF4)................................................................................................................53
Initial Setting......................................................................................................................................................................58
Interrupt acceptance processing.........................................................................................................................................58
Saving/restoring general-purpose registers........................................................................................................................59
Interrupt return...................................................................................................................................................................61
Address error detection......................................................................................................................................................62
Debugging..........................................................................................................................................................................62
Low power consumption function.....................................................................................................................................70
External interrupt 0............................................................................................................................................................70
External interrupts 1/2/3....................................................................................................................................................71
External interrupt 4............................................................................................................................................................72
External interrupt 5............................................................................................................................................................74
Setting of enabling/disabling the watchdog timer operation.............................................................................................78
Setting the clear time of the 8-bit up counter.....................................................................................................................78
Setting the overflow time of the 8-bit up counter..............................................................................................................79
Setting an overflow detection signal of the 8-bit up counter.............................................................................................79
Writing the watchdog timer control codes.........................................................................................................................80
Reading the 8-bit up counter..............................................................................................................................................80
Reading the watchdog timer status....................................................................................................................................80
Using PUSH and POP instructions
Using data transfer instructions
Using a register bank to save/restore general-purpose registers
Interrupt request signal generating condition detection function
A noise canceller pass signal monitoring function when interrupt request signals are generated
Noise cancel time selection function
Interrupt request signal generating condition detection function
A noise canceller pass signal monitoring function when interrupt request signals are generated
Noise cancel time selection function