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| 型號： | Z86C45 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | CMOS Z8 MCU(CMOS Z8系列微控制器) |
| 中文描述： | 單片機的CMOS Z8的CMOS（Z8系列微控制器） |
| 文件頁數(shù)： | 35/70頁 |
| 文件大?。?/td> | 1192K |
| 代理商： | Z86C45 |
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Z86C34/C35/C36/C44/C45/C46
CMOS Z8 MCUs with ASCI UART
ZiLOG
DS007601-Z8X0499
P R E L I M I N A R Y
35
When more than one interrupt is pending, priorities are re-
solved by a programmable priority encoder that is con-
trolled by the Interrupt Priority register. An interrupt ma-
chine cycle activates when an interrupt request is granted.
This action disables all subsequent interrupts, saves the Pro-
gram Counter and Status Flags, and then branches to the
program memory vector location reserved for that interrupt.
All Z8 interrupts are vectored through locations in the pro-
gram memory. This memory location and the next byte con-
tain the 16-bit address of the interrupt service routine for
that particular interrupt request. To accommodate polled in-
terrupt systems, interrupt inputs are masked and the Inter-
rupt Request register is polled to determine which of the in-
terrupt requests require service.
Figure 23. Interrupt Block Diagram
Table 11. Interrupt Types, Sources, and Vectors
Name
Source
Vector
Location
Comments
IRQ0
IRQ1,
IRQ2
IRQ3
IRQ4
IRQ5
DAV0, IRQ0
IRQ1
DAV2, IRQ2, T
IN
UART (ASCI)
T0
T1
0, 1
2, 3
4, 5
6, 7
8, 9
10, 11
External (P32), Rise Fall Edge Triggered
External (P33), Fall Edge Triggered
External (P31), Rise Fall Edge Triggered
External (P30), Fall Edge Triggered
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| Z86C46 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:CMOS Z8 MCUs WITH ASCI UART OFFER EFFICIENT, COST-EFFECTIVE DESIGN FLEXIBILITY |
| Z86C47 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:CMOS Z8 MICROCONTROLLER |
| Z86C4704PSC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| Z86C5000ZEM | 功能描述:仿真器/模擬器 Z8 In-Circuit Em-C50 RoHS:否 制造商:Blackhawk 產(chǎn)品:System Trace Emulators 工具用于評估:C6000, C5000, C2000, OMAP, DAVINCI, SITARA, TMS470, TMS570, ARM 7/9, ARM Cortex A8/R4/M3 用于:XDS560v2 |
| Z86C50-20GSE | 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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