ii
3.
Interrupt Control Circuit
3.1
Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
3.2
Interrupt Latches (IL25 to IL3)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3.3
Interrupt Enable Register (EIR)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.3.1
Interrupt master enable flag (IMF)
.......................................................................................................... 51
3.3.2
Individual interrupt enable flags (EF25 to EF4)
...................................................................................... 51
3.4
Maskable Interrupt Priority Change Function
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.5
Interrupt Sequence
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
3.5.1
Initial Setting
........................................................................................................................................... 56
3.5.2
Interrupt acceptance processing
............................................................................................................. 56
3.5.3
Saving/restoring general-purpose registers
............................................................................................ 57
3.5.3.1
Using PUSH and POP instructions
3.5.3.2
Using data transfer instructions
3.5.3.3 Using a register bank to save/restore general-purpose registers
3.5.4
Interrupt return
........................................................................................................................................ 59
3.6
Software Interrupt (INTSW)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3.6.1
Address error detection
.......................................................................................................................... 60
3.6.2
Debugging
.............................................................................................................................................. 60
3.7
Undefined Instruction Interrupt (INTUNDEF)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3.8
Revision History
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
4.
External Interrupt control circuit
4.1
Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4.2
Control
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4.3
Function
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
4.3.1
Low power consumption function
........................................................................................................... 67
4.3.2
External interrupt 0
................................................................................................................................. 68
4.3.3
External interrupts 1/2/3
.......................................................................................................................... 68
4.3.3.1
Interrupt request signal generating condition detection function
4.3.3.2
A noise canceller pass signal monitoring function when interrupt request signals are generated
4.3.3.3
Noise cancel time selection function
4.3.4
External interrupt 4
................................................................................................................................. 69
4.3.4.1
Interrupt request signal generating condition detection function
4.3.4.2
A noise canceller pass signal monitoring function when interrupt request signals are generated
4.3.4.3
Noise cancel time selection function
4.3.5
External interrupt 5
................................................................................................................................. 71
5.
Watchdog Timer (WDT)
5.1
Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5.2
Control
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
5.3
Functions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.3.1
Setting of enabling/disabling the watchdog timer operation
................................................................... 75
5.3.2
Setting the clear time of the 8-bit up counter
.......................................................................................... 76
5.3.3
Setting the overflow time of the 8-bit up counter
.................................................................................... 76
5.3.4
Setting an overflow detection signal of the 8-bit up counter
................................................................... 77
5.3.5
Writing the watchdog timer control codes
............................................................................................... 77
5.3.6
Reading the 8-bit up counter
.................................................................................................................. 78
5.3.7
Reading the watchdog timer status
........................................................................................................ 78
6.
Power-on Reset Circuit
6.1
Configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Содержание TLCS-870/C1 Series
Страница 1: ...8 Bit Microcontroller TLCS 870 C1 Series TMP89FM42 查询TMP89FM42供应商 捷多邦 专业PCB打样工厂 24小时加急出货 ...
Страница 3: ...Revision History Date Revision 2007 10 25 1 First Release 2007 11 3 2 Contents Revised ...
Страница 4: ......
Страница 14: ......
Страница 18: ...1 3 Block Diagram TMP89FM42 1 3 Block Diagram Figure 1 2 Block Diagram ...
Страница 22: ...1 4 Pin Names and Functions TMP89FM42 ...
Страница 60: ...2 CPU Core 2 5 Revision History TMP89FM42 ...
Страница 76: ...3 Interrupt Control Circuit 3 8 Revision History TMP89FM42 ...
Страница 86: ...4 External Interrupt control circuit 4 3 Function TMP89FM42 ...
Страница 102: ...7 Voltage Detection Circuit 7 5 Revision History TMP89FM42 ...
Страница 126: ...8 I O Ports 8 3 I O Port Registers TMP89FM42 Note 2 i 0 to 1 ...
Страница 136: ...8 I O Ports 8 5 Revision History TMP89FM42 ...
Страница 142: ...9 Special Function Registers 9 3 SFR3 0x0E40 to 0x0EFF TMP89FM42 ...
Страница 146: ...10 Low Power Consumption Function for Peripherals TMP89FM42 ...
Страница 149: ...TMP89FM42 11 3 Revision History Rev Description RA001 Deleted SLEEP2 description ...
Страница 150: ...11 Divider Output DVO 11 3 Revision History TMP89FM42 ...
Страница 220: ...15 Real Time Clock RTC 15 4 Real Time Clock Operation TMP89FM42 ...
Страница 250: ...16 Asynchronous Serial Interface UART 16 15 Revision History TMP89FM42 ...
Страница 302: ...18 Serial Bus Interface SBI 18 7 Revision History TMP89FM42 ...
Страница 336: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 Note 1 Make sure that you set the C register to 0x00 LD FLSCR2 0xD5 ...
Страница 338: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 ...
Страница 384: ...22 Serial PROM Mode 22 15 Revision History TMP89FM42 ...
Страница 388: ...24 Input Output Circuit 24 1 Control Pins TMP89FM42 ...
Страница 404: ...25 Electrical Characteristics 25 11 Revision History TMP89FM42 ...
Страница 406: ...26 Package Dimensions TMP89FM42 ...
Страница 408: ......