Integrated USB 2.0 Compatible
Datasheet
5.2.1.2Pull-Up Resistor
The Circuit board designer is required to place external
5.2.1.3I2C EEPROM Slave Address
Slave address is 1010000.
Note:
5.2.2In-Circuit EEPROM Programming
The EEPROM can be programmed via ATE by pulling RESET_N low (which
5.2.3EEPROM DATA
Table 5.1
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| CFG | CFG |
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| MSB: | SIZE | SELF | BUS |
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FIELD | LSB | (BYTES) | (HEX) | (HEX) | DESCRIPTION |
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VID | 1:0 | 2 | 0424 | 0424 | Vendor ID (assigned by |
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PID | 3:2 | 2 | Product ID (assigned by Manufacturer). | ||
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| 2504 | 2504 |
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DID | 5:4 | 2 | 0000 | 0000 | Device ID (assigned by Manufacturer). |
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Config Data | 6 | 1 | 98 | 1C | Configuration data byte #1 for Hub options. |
Byte 1 |
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Config Data | 7 | 1 | 90 | 90 | Configuration data byte #2 for Hub options. |
Byte 2 |
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Non | 8 | 1 | 00 | 00 | Defines the ports that contain attached |
Removable |
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| devices (this is used only when Hub is part of |
Device |
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| a compound device). |
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Port Disable | 9 | 1 | 00 | 00 | Selects the ports that will be permanently |
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| disabled | |
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Port Disable | A | 1 | 00 | 00 | Selects the ports that will be permanently |
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| disabled | |
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Max Power | B | 1 | 01 | 01 | Max Current for this configuration (expressed |
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| in 2mA units). | |
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Max Power | C | 1 | 64 | 64 | Max Current for this configuration (expressed |
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| in 2mA units). | |
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Hub Controller | D | 1 | 01 | 01 | Max Current (expressed in 2mA units). |
Max Current |
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Hub Controller | E | 1 | 64 | 64 | Max Current (expressed in 2mA units). |
Max Current |
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F | 1 | 32 | 32 | Time until power is stable. | |
Time |
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Revision 2.3 | 20 | SMSC USB2504/USB2504A |
| DATASHEET |
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