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Файл:ЦОС_Заочники2013 / Курсовая МПиЦОС 2011 / Справочная информация / Моторола / DSP56011 / 01PINDES.pdf
Signal/Connection Descriptions
Host Interface (HI)
Table 1-6 Host Interface (Continued)
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Signal Name |
Type |
State During |
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Signal Description |
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Reset |
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Input |
Input |
Host Acknowledge— This input has two functions. It |
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HACK |
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provides a host acknowledge handshake signal for |
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DMA transfers and it receives a host interrupt |
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acknowledge compatible with MC68000 Family |
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processors. |
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Note: |
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should always be pulled high when it is |
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HACK |
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not in use. |
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PB14 |
Input/ |
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Port B GPIO 14 (PB14)—This signal is a General |
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Output |
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Purpose I/O signal (PB14) when the Host Interface is |
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not selected. |
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After reset, the default state for this signal is GPIO |
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input. |
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1-10 |
DSP56011/D |
MOTOROLA |