tmp89fm42k TOSHIBA Semiconductor CORPORATION, tmp89fm42k Datasheet - Page 10

• Manufacturer Part Number: tmp89fm42k
• 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)
ii
3.1 Configuration...........................................................................................................................57
3.2 Interrupt Latches (IL25 to IL3)................................................................................................58
3.3 Interrupt Enable Register (EIR)...............................................................................................59
3.4 Maskable Interrupt Priority Change Function.........................................................................62
3.5 Interrupt Sequence...................................................................................................................64
3.6 Software Interrupt (INTSW)....................................................................................................68
3.7 Undefined Instruction Interrupt (INTUNDEF).......................................................................68
4.1 Configuration...........................................................................................................................69
4.2 Control.....................................................................................................................................69
4.3 Function...................................................................................................................................73
5.1 Configuration...........................................................................................................................79
5.2 Control.....................................................................................................................................80
5.3 Functions..................................................................................................................................82
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
2.4.4.8
2.4.4.9
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)....................................................................................................................................59
Individual interrupt enable flags (EF25 to EF4)................................................................................................................59
Initial Setting......................................................................................................................................................................64
Interrupt acceptance processing.........................................................................................................................................64
Saving/restoring general-purpose registers........................................................................................................................65
Interrupt return...................................................................................................................................................................67
Address error detection......................................................................................................................................................68
Debugging..........................................................................................................................................................................68
Low power consumption function.....................................................................................................................................74
External interrupt 0............................................................................................................................................................74
External interrupts 1/2/3....................................................................................................................................................75
External interrupt 4............................................................................................................................................................76
External interrupt 5............................................................................................................................................................78
Setting of enabling/disabling the watchdog timer operation.............................................................................................82
Setting the clear time of the 8-bit up counter.....................................................................................................................82
Setting the overflow time of the 8-bit up counter..............................................................................................................83
Setting an overflow detection signal of the 8-bit up counter.............................................................................................83
Writing the watchdog timer control codes.........................................................................................................................84
Reading the 8-bit up counter..............................................................................................................................................84
Reading the watchdog timer status....................................................................................................................................84
Internal factor reset detection status register
How to use the external reset input pin as a port
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