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參數(shù)資料
| 型號(hào)： | TMP86FH09NG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDIP32 |
| 封裝： | 0.400 INCH, 1.78 MM PITCH, LEAD FREE, PLASTIC, SDIP-32 |
| 文件頁(yè)數(shù)： | 97/154頁(yè) |
| 文件大?。?/td> | 1433K |
| 代理商： | TMP86FH09NG |
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Page 37
TMP86CH09NG
3.3 Interrupt Source Selector (INTSEL)
Each interrupt source that shares the interrupt source level with another interrupt source is allowed to enable the
interrupt latch only when it is selected in the INTSEL register. The interrupt controller does not hold interrupt
requests corresponding to interrupt sources that are not selected in the INTSEL register. Therefore, the INTSEL reg-
ister must be set appropriately before interrupt requests are generated.
The following interrupt sources share their interrupt source level; the source is selected onnthe register INTSEL.
1. INTTC4 and INT3 share the interrupt source level whose priority is 12.
Note: Always set "0" to bit 5 of INTSEL register.
3.4 Interrupt Sequence
An interrupt request, which raised interrupt latch, is held, until interrupt is accepted or interrupt latch is cleared to
“0” by resetting or an instruction. Interrupt acceptance sequence requires 8 machine cycles (2
s @16 MHz) after the
completion of the current instruction. The interrupt service task terminates upon execution of an interrupt return
instruction [RETI] (for maskable interrupts) or [RETN] (for non-maskable interrupts). Figure 3-1 shows the timing
chart of interrupt acceptance processing.
3.4.1 Interrupt acceptance processing is packaged as follows.
a. The interrupt master enable flag (IMF) is cleared to “0” in order to disable the acceptance of any fol-
lowing interrupt.
b. The interrupt latch (IL) for the interrupt source accepted is cleared to “0”.
c. The contents of the program counter (PC) and the program status word, including the interrupt master
enable flag (IMF), are saved (Pushed) on the stack in sequence of PSW + IMF, PCH, PCL. Mean-
while, the stack pointer (SP) is decremented by 3.
d. The entry address (Interrupt vector) of the corresponding interrupt service program, loaded on the vec-
tor table, is transferred to the program counter.
e. The instruction stored at the entry address of the interrupt service program is executed.
Note:When the contents of PSW are saved on the stack, the contents of IMF are also saved.
Interrupt source selector
INTSEL
(003EH)
76543
210
-
IL11ER
-
(Initial value: ***0 ****)
IL11ER
Selects INTTC4 or INT3
0: INTTC4
1: INT3
R/W
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP86FH09NG(ZM) | 功能描述:8位微控制器 -MCU TLCS870/C 16K FLASH RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| TMP86FH12MG | 制造商:Toshiba America Electronic Components 功能描述:MCU 8BIT TLCS-870 CISC 16KB FLASH 5V 30SSOP - Bulk 制造商:Toshiba America Electronic Components 功能描述:8BIT MCU 16K FLASH 512B RAM 86FH12 |
| TMP86FH12MG(Z) | 功能描述:8位微控制器 -MCU 16k Flash MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| TMP86FH46ANG | 制造商:Toshiba America Electronic Components 功能描述:MCU 8BIT TLCS-870 CISC 16KB FLASH 5V 42PIN SDIP - Bulk |
| TMP86FH46ANG(Z) | 功能描述:8位微控制器 -MCU 16K Flash MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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