參數(shù)資料
型號(hào): MC68302FC20CR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 4 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP132
封裝: 0.950 X 0.950 INCH, 0.025 INCH PITCH, PLASTIC, QFP-132
文件頁數(shù): 53/128頁
文件大?。?/td> 641K
代理商: MC68302FC20CR2
MC68EN302 Module Bus Controller
MOTOROLA
MC68EN302 REFERENCE MANUAL
2-13
Figure 2-8. External and Internal Interrupt Prioritization
The MBC passes the interrupt vector (see 4.1.4 Interrupt Vector Register (IVEC)) from the
Module bus to the 68000 bus.
7 (Highest)
6
4
3
2
000
001
IRQ7
IRQ6
**
*
**
101
*
5
1 (Lowest)
**
*
110
IRQ1
Priority
Normal Mode
Dedicated Mode
IRQ7, IRQ6, IRQ1
External
Internal 302
External/MBC
External
MBC/External
External
Interrupt
Level
IPL2–IPL0
Source
*Priority level not available to an external device in
this mode
** The level not selected by MIL is available but not both
level 3 and level 5.
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