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參數(shù)資料
| 型號： | MC68L11F1CFN3 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Audio control and Instrumentation Cable; Number of Conductors:10; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Conductor Material:Copper; Jacket Color:Gray RoHS Compliant: Yes |
| 中文描述： | 8-BIT, EEPROM, MICROCONTROLLER, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 25/68頁 |
| 文件大?。?/td> | 486K |
| 代理商： | MC68L11F1CFN3 |
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MC68HC11F1/FC0
MC68HC11FTS/D
MOTOROLA
25
5 Resets and Interrupts
There are three sources of reset on the MC68HC11F1 and MC68HC11FC0, each having its own reset
vector:
RESET pin
Clock monitor failure
Computer operating properly (COP) failure
There are 22 interrupt sources serviced by 18 interrupt vectors. (The SCI interrupt vector services five
SCI interrupt sources.) Three of the interrupt vectors are non-maskable:
Illegal opcode trap
Software interrupt
XIRQ pin (pseudo non-maskable interrupt)
The other 19 interrupts, generated mostly by on-chip peripheral systems, are maskable. Maskable in-
terrupts are recognized only if the global interrupt mask bit (I) in the condition code register (CCR) is
clear. Maskable interrupts have a default priority arrangement out of reset. However, any one interrupt
source can be elevated to the highest maskable priority position by writing to the HPRIO register. This
register can be written at any time, provided the I bit in the CCR is set.
In addition to the global I bit, all maskable interrupt sources except the external interrupt (IRQ pin) are
subject to local enable bits in control registers. Each of these interrupt sources also sets a correspond-
ing flag bit in a control register that can be polled by software.
Several of these flags are automatically cleared during the normal course of responding to the interrupt
requests. For example, the RDRF flag is set when a byte has been received in the SCI. The normal
response to an RDRF interrupt request is to read the SCI status register to check for receive errors,
then to read the received data from the SCI data register. It is precisely these two steps that are required
to clear the RDRF flag, so no further instructions are necessary.
5.1 Interrupt Sources
The following table summarizes the interrupt sources, vector addresses, masks, and flag bits.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68L11F1CPU3 | Multiconductor Cable; Number of Conductors:12; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Features:Unshielded RoHS Compliant: Yes |
| MC68L11F1FN3 | Multiconductor Audio, Control & Instrumentation Cable; Number of Conductors:15; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Material:Polyvinylchloride (PVC); Conductor Material:Copper; Conductor Plating:Tin RoHS Compliant: Yes |
| MC68L11F1PU3 | Technical Summary 8-Bit Microcontroller |
| MC74AC00 | QUAD 2-INPUT NAND GATE |
| MC74AC00 | QUAD 2-INPUT NAND GATE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68L11F1CFNE3 | 功能描述:8位微控制器 -MCU 8B MCU 1KRAM 512BYTES 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| MC68L11K1FN2R2 | 制造商:Motorola Inc 功能描述: |
| MC68L11K1FUE2 | 功能描述:8位微控制器 -MCU 8B MCU L-VOLTAGE-EPP 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| MC68L711E9FN2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC68L711E9FNE2 | 功能描述:8位微控制器 -MCU 8B MCU LO VOLTAGE 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 最大時鐘頻率:50 MHz 程序存儲器大小: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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