34.7.2 Features
SERCOM I2C includes the following features:
- Host or Client Operation
- Can be used with DMA
- Philips I2C Compatible
- SMBus Compatible
- PMBus™ Compatible
- Support of 100 kHz and 400 kHz, 1 MHz I2C mode
- 32-bit Data Extension for better system bus utilization
- 16-bytes internal FIFO
- 4-Wire Operation Supported
- Physical interface includes:
- Slew-rate limited outputs
- Filtered inputs
- Client Operation:
- Operation in all Sleep modes
- Wake-up on address match
- 7-bit and 10-bit Address
match in hardware for:
- Unique address and/or 7-bit general call address
- Address range
- Two unique addresses can be used with DMA
| Feature | SERCOM I2C Features | ||||||
|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 / 3 | 4 / 5 | ||||
| I2C speed | HS | FM+ | HS | FM+ | - | ||
| IOSET | 1 | 2 | 1 / 2 | 3 | 1 | 2 | - |
| 5V tolerant support | - | - | Yes | - | - | - | - |
| secure capable | - | - | Yes | - | - | - | - |
| available on 48 pins | x | - | x | - | x | - | - |
| available on 64 pins | x | - | x | - | x | - | - |
| available on 100 pins | x | x | x | x | x | x | - |