Prelminary | MB91401 |
2004.11.12 |
USB IF (5 pin)
Pin name | Pin no. | Polarity | I/O | Circuit | Function/application | |
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| USB data D + (differential) pin | |
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| I/O signal pin on the plus side of the USB data. | |
UDP | 61 | | I/O | C | Use the LSI with 25 Ω to 30 Ω (27 Ω recommended) | |
external series load resistors, 1.5 kΩ | ||||||
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| about 100 kΩ resistors. Input “0” when the USB macro is | |
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| unused. | |
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| USB data D − (differential) pin | |
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| I/O signal pin on the minus side of the USB data. | |
UDM | 183 | | I/O | C | Use the LSI with 25 Ω to 30 Ω (27 Ω recommended) | |
external series load resistors, 1.5 kΩ | ||||||
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| about 100 kΩ resistors. Input “0” when the USB macro is | |
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| unused. | |
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| USB insert input pin | |
USBINS | 182 | IN | D | USB socket input detection pin. Be sure to input “0” when | ||
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| not using USB macro. | |
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| 48 MHz input (external clock input) pin | |
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| This pin inputs an external | |
UCLK48 | 6 | | IN | D | The USB macro operates based on this clock. Input the | |
clock with high accuracy (as not only LSI but also a device) | ||||||
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| more than 2500 ppm. Input “0” when the USB macro is un- | |
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| used. | |
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| USB clock select pin | |
UCLKSEL | 124 | | IN | D | Clock select pin using for USB macro | |
“0” : Using internal clock | ||||||
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| “1” : Using UCLK48 | |
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13
