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參數(shù)資料
| 型號： | Z86C96 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | CMOS Z8 MICROCONTROLLER |
| 中文描述： | 單片機的CMOS Z8 |
| 文件頁數(shù)： | 25/46頁 |
| 文件大?。?/td> | 388K |
| 代理商： | Z86C96 |
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25
Z86C61/62/96
Z8
M
ICROCONTROLLER
To accommodate polled interrupt systems, interrupt in-
puts are masked and the Interrupt Request register is
polled to determine which of the interrupt requests
need service. Software initialed interrupts are supported
by setting the appropriate bit in the Interrupt Request
Register (IRQ).
Internal interrupt requests are sampled on the falling edge
of the last cycle of every instruction. The interrupt request
must be valid 5TpC before the falling edge of the last clock
cycle of the currently executing instruction.
For the ROMless mode, when the device samples a valid
interrupt request, the next 48 (external) clock cycles are
used to prioritize the interrupt, and push the two PC bytes
and the FLAG register onto the stack. The following nine
cycles are used to fetch the interrupt vector from external
memory. The first byte of the interrupt service routine is
fetched beginning on the 58th TpC cycle following the
internal sample point, which corresponds to the 63rd TpC
cycle following the external interrupt sample point.
Interrupts.
The Z86C61/62/96 has six different interrupts
from eight different sources. The interrupts are maskable
and prioritized. The eight sources are divided as follows:
four sources are claimed by Port 3 lines P33-P30, one in
Serial Out, one is Serial In, and two in the counter/timers
(Figure 23). The Interrupt Mask Register globally or indi-
vidually enables or disables the six interrupt requests.
When more than one interrupt is pending, priorities are
resolved by a programmable priority encoder that is con-
trolled by the Interrupt Priority register. All Z86C61/62/96
interrupts are vectored through locations in the program
memory. When an interrupt machine cycle is activated, an
interrupt request is granted. Thus, this disables all of the
subsequent interrupts, saves the Program Counter and
Status Flags, and then branches to the program memory
vector location reserved for that interrupt. This memory
location and the next byte contain the 16-bit address of
the interrupt service routine for that particular interrupt
request.
IRQ
IMR
IPR
PRIORITY
LOGIC
6
Global
Interrupt
Enable
Vector Select
Interrupt
Request
IRQ0 - IRQ5
Figure 23. Interrupt Block Diagram
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| Z86C9620PSC | 功能描述:8位微控制器 -MCU 20MHz ROMLESS 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 安裝風格:SMD/SMT |
| Z86C9620PSG | 功能描述:8位微控制器 -MCU 20MHz ROMLESS 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 安裝風格:SMD/SMT |
| Z86C9620VSC | 功能描述:8位微控制器 -MCU 20MHz ROMLESS 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 安裝風格:SMD/SMT |
| Z86C9620VSC00TR | 功能描述:IC Z8 ROMLESS 68PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:Z8® 產(chǎn)品培訓模塊:The Ultra-Low Power MSP430 MSP430 Overview MSP430 Design Tools MSP430 Peripherals MSP430x2xx/4xx and Wireless Overview Portable Medical Solutions with MSP430 MSP430 for Utility Metering Solutions MSP430: How to JTAG MSP430, How To Use the Clock System Grace Software Graphical User Interface MCU Overview Driver Library MSP430Ware Overview 標準包裝:1 系列:MSP430x4xx 核心處理器:RISC 芯體尺寸:16-位 速度:8MHz 連通性:SPI，UART/USART 外圍設(shè)備:欠壓檢測/復位，LCD，POR，PWM，WDT 輸入/輸出數(shù):48 程序存儲器容量:32KB（32K x 8 + 256B） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 包裝:Digi-Reel® 其它名稱:296-26232-6 |
| Z86C9620VSG | 功能描述:8位微控制器 -MCU 20MHz ROMLESS 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 安裝風格:SMD/SMT |
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