MB91401 | Prelminary |
2004.11.12 | |
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CARD IF (41 pin)
Pin name | Pin no. | Polarity | I/O | Circuit | Function/application | |
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CFD15 | 2 |
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CFD14 | 73 |
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CFD13 | 72 |
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CFD12 | 137 |
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CFD11 | 136 |
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CFD10 | 71 |
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CFD9 | 192 |
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| CF data input/output pins | |
CFD8 | 135 | |
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I/O | B | I/O data/status/command signal pin to CompactFlash card | ||||
CFD7 | 70 | |||||
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CFD6 | 240 |
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CFD5 | 191 |
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CFD4 | 134 |
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CFD3 | 69 |
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CFD2 | 190 |
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CFD0 | 133 |
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CFD0 | 68 |
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CFA10 | 189 |
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CFA9 | 132 |
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CFA8 | 67 |
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CFA7 | 188 |
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CFA6 | 131 | |
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| CF address 10 to 0 output pins | |
CFA5 | 66 | OUT | B | Address output CFA10 to CFA0 pins to CompactFlash card | ||
CFA4 | 236 |
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CFA3 | 187 |
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CFA2 | 130 |
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CFA1 | 65 |
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CFA0 | 186 |
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| CF card enable output pin | |
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| Byte access output pin to CompactFlash card side | |
CFCE2X | 128 | OUT | B | Note : Supported for access to CFD7 to CFD0. | ||
tive | ||||||
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| When “L” level is output, odd number byte access of the | ||
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| word is shown. | |
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| CF card enable output pin | |
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| Byte access output pin to CompactFlash card side | |
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| Note : Supported for access to CFD7 to CFD0. | |
CFCE1X | 63 | Nega- | OUT | B | When “L” level is output at word access, even number byte | |
tive | access of the word is shown. | |||||
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| When the byte is accessed, the even number byte and odd | |
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| number byte access become possible because CFA0 and | |
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| CFCE2X are combined and used by it. | |
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| CF Attribute/Common switching output pin | |
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| Attribute/Common switching output pin to CompactFlash | |
CFREGX | 185 | OUT | B | card side | ||
tive | ||||||
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| “H” : Common Memory select | ||
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| “L” : Attribute Memory select | |
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| Card connection detect input pin : CFCD2X | |
CFCD2X | 123 | Nega- | IN | E | Checking connection pin of the socket and CompactFlash | |
tive | card. It is shown that the CompactFlash card was connected | |||||
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| when this signal and CFCD1X are both input by “0”. | |
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| (Continued) |
14
