Ultra Fast USB 2.0 SD/MMC Flash Media Controller
Datasheet
Chapter 4 Pin Configuration
| RXD / SDA | (SD nCD) |
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| (CRD PWR) |
| GPIO14 |
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| GPIO2 / | GPIO15 | SD D2 | GPIO12 | SD D3 | VDD33 | GPIO10 | SD D4 |
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| 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 |
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TEST | 28 |
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| 18 | nRESET |
GPIO4 | 29 |
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| 17 | NC |
SD _WP | 30 |
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| 16 | NC |
GPIO7 / TXD / SCK | 31 |
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| SMSC |
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| 15 | NC | ||
XTAL2 | 32 |
| USB2244/2244i |
| 14 | VDD33 | ||||
XTAL1 (CLKIN) | 33 | (Top View | 13 | VDD18 | ||||||
VDD18PLL | 34 |
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| Thermal Slug |
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| 12 | NC | ||
RBIAS | 35 |
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| 11 | SD_CMD | |||
(must be connected to VSS) | ||||||||||
VDDA33 | 36 |
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| 10 | SD_D5 |
| 1 2 3 4 5 6 7 8 9 |
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| GPIO1 (LED1) | USB+ | USB- | SD D1 | SD D0 | VDD33 | SD D7 | SD D6 | SD CLK |
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Indicates pins on the bottom of the device.
Figure 4.1 USB2244/USB2244i 36 Pin QFN Diagram
SMSC USB2244/USB2244i | 9 | Revision 1.0 |
DATASHEET