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Table | |||||
56 VFBGA | Name |
| Type | Default | Description |
2G | IFCLK |
| I/O/Z | Z | Interface Clock, used for synchronously clocking data into or out of the |
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| slave FIFO’s. IFCLK also serves as a timing reference for all slave FIFO |
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| control signals and GPIF. When internal clocking is used (IFCONFIG.7 = 1) |
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| the IFCLK pin can be configured to output 30/48 MHz by bits IFCONFIG.5 |
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| and IFCONFIG.6. IFCLK may be inverted, whether internally or externally |
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| sourced, by setting the bit IFCONFIG.4 =1. |
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7B | WAKEUP |
| Input | N/A | USB Wakeup. If the 8051 is in suspend, asserting this pin starts up the |
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| oscillator and interrupts the 8051 to allow it to exit the suspend mode. |
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| Holding WAKEUP asserted inhibits the |
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| suspending. This pin has programmable polarity (WAKEUP.4). |
3F | SCL |
| OD | Z | Clock for the I2C interface. Connect to VCC_IO or VCC with a 2.2K - 10K |
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| pull up resistor. (An I2C peripheral is required). |
3G | SDA |
| OD | Z | Data for the I2C interface. Connect to VCC_IO or VCC with a 2.2K - 10K pull |
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| up resistor. (An I2C peripheral is required). |
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5A | VCC_IO |
| Power | N/A | VCC. Connect this pin to 1.8V to 3.3V power source. |
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| Appropriate bulk/bypass capacitance should be provided for this |
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| supply rail. |
5B | VCC_IO |
| Power | N/A | VCC. Connect this pin to 1.8V to 3.3V power source |
7E | VCC_IO |
| Power | N/A | VCC. Connect this pin to 1.8V to 3.3V power source. |
8E | VCC_IO |
| Power | N/A | VCC. Connect this pin to 1.8V to 3.3V power source. |
5C | VCC_D |
| Power | N/A | VCC. Connect this pin to 1.8V power source.(Supplies power to internal |
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| digital 1.8V circuits) |
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| Appropriate bulk/bypass capacitance should be provided for this |
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| supply rail. |
1G | VCC_A |
| Power | N/A | VCC. Connect this pin to 1.8V power source.(Supplies power to internal |
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| analog 1.8V circuits) |
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1H | GND |
| Ground | N/A | Ground. |
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2H | GND |
| Ground | N/A | Ground. |
4A | GND |
| Ground | N/A | Ground. |
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4B | GND |
| Ground | N/A | Ground. |
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4C | GND |
| Ground | N/A | Ground. |
7D | GND |
| Ground | N/A | Ground. |
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8D | GND |
| Ground | N/A | Ground. |
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Document # | Page 15 of 39 |
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