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參數(shù)資料
| 型號： | Z86C8416SSC |
| 廠商： | ZILOG INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Z8 MCU MICROCONTROLLERS |
| 中文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDSO28 |
| 封裝： | PLASTIC, SOIC-28 |
| 文件頁數(shù)： | 26/46頁 |
| 文件大?。?/td> | 957K |
| 代理商： | Z86C8416SSC |
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Z86C83/C84
Z8
MCU Microcontrollers
26
DS96DZ80203
Interrupts.
The Z8 has six different interrupts from six
different sources. These interrupts are maskable,
prioritized (Figure 20) and the six sources are divided as
follows: four sources are claimed by Port 3 lines P33-P30,
and two in counter/timers (Table 10). The Interrupt Mask
Register globally or individually enables or disables the six
interrupt requests.
When more than one interrupt is pending, priorities are
resolved by a programmable priority encoder that is
controlled by the Interrupt Priority register. An interrupt
machine cycle is activated when an interrupt request is
granted. This action disables all subsequent interrupts,
saves the Program Counter and Status Flags, and then
branches to the program memory vector location reserved
for that interrupt.
Figure 20. Interrupt Block Diagram
Table 10. Interrupt Types, Sources, and Vectors
Name
IRQ0
IRQ1,
IRQ2
IRQ3
IRQ4
IRQ5
Source
/DAV0, IRQ0
IRQ1
/DAV2, IRQ2, T
IN
IRQ3
T0
T1
Vector Location
0, 1
2, 3
4, 5
6, 7
8, 9
10, 11
Comments
External (P32), Rise/ Fall Edge Triggered
External (P33), Fall Edge Triggered
External (P31), Rise /Fall Edge Triggered
By User Software
Internal
Internal
Interrupt
Edge
Select
IRQ (D6, D7)
IRQ1, 3, 4, 5
IRQ
IMR
IPR
PRIORITY
LOGIC
6
Global
Interrupt
Enable
Vector Select
Interrupt
Request
IRQ0 IRQ2
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| Z86C8416VSC | Z8 MCU MICROCONTROLLERS |
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相關(guān)代理商/技術(shù)參數(shù) |
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| Z86C8416VEC | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:Z8 MCU MICROCONTROLLERS |
| Z86C8416VSC | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:Z8 MCU MICROCONTROLLERS |
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| Z86C89-08FEC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| Z86C89-08FSC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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