24 DATASHEET
USB2250/50i/51/51i SMSC
PIN
52
53
47
38
57
91
101
94
92
96
99
95
93
97
100
98
20
18
12
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| RESET STATE |
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| xD Mode |
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| SD Mode |
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| MS Mode |
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PIN NAME |
| FUNCTION |
| OUT- | PU/ | IN- |
| FUNCTION | OUT- | PU/ | IN- |
| FUNCTION | OUT- | PU/ | IN- |
| FUNCTION | OUT- | PU/ | IN- | |
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| PUT | PD | PUT |
| PUT | PD | PUT |
| PUT | PD | PUT |
| PUT | PD | PUT | ||||||
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SM_ALE |
| SM |
| z | pd |
| SM |
| hw | pd |
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SM_CLE |
| SM |
| z | pd |
| SM |
| hw | pd |
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SM_nWP |
| SM |
| z | pd |
| SM |
| (fw) | pd |
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SM_nWPS |
| SM |
| z |
| SM |
| z | pu | yes |
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GPIO14(SM_nCD) |
| GPIO |
| z | pu | yes |
| GPIO |
| (fw) | (fw) | (fw) |
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MS_BS |
| MS |
| z | pd |
| MS |
| hw | hw |
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MS_SCLK |
| MS |
| z | pd |
| MS |
| hw | hw |
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MS_D0/MS_SDIO |
| MS |
| z | pd |
| MS |
| hw | pd | yes |
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MS_D1 |
| MS |
| z | pd |
| MS |
| hw | hw | yes |
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MS_D2 |
| MS |
| z | pd |
| MS |
| hw | pd | yes |
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MS_D3 |
| MS |
| z | pd |
| MS |
| hw | pd | yes |
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MS_D4 |
| MS |
| z | pd |
| MS |
| hw | pd | yes |
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MS_D5 |
| MS |
| z | pd |
| MS |
| hw | hw | yes |
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MS_D6 |
| MS |
| z | pd |
| MS |
| hw | pd | yes |
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MS_D7 |
| MS |
| z | pd |
| MS |
| hw | pd | yes |
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GPIO12(MS_INS) |
| GPIO |
| z | pu | yes |
| GPIO |
| (fw) | (fw) | (fw) |
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SD_CMD |
| SD |
| z |
| SD |
| hw | pu | yes |
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SD_CLK |
| SD |
| z |
| SD |
| hw | yes |
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SD_D0 |
| SD |
| z |
| SD |
| hw | pu | yes |
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Datasheet | USB Fast Ultra |
| Controller Media Flash |