CAST, Inc. 
Part Number : I2C-S
Short Desc. : I2C Bus Slave Controller Core
Overview :

Implements an Inter-Integrated Circuit (I2C) Bus slave controller that meets the Phillips I2C version 1.4 specification.

Under its default configuration, the I2C-S provides access to its 8-bit-wide status and control registers via an APB-slave port. Alternatively, the core can be equipped with an AHB-slave, Wishbone-slave or generic microcontroller interface.

The I2C-S allows dynamic control of the serial clock frequency, and the I2C bus speed is only limited by the external bus driver capabilities. The I2C slave 7-bit address is programmable, and the core uses FIFOs for transmit and receive data to reduce the host overhead.  Being accompanied by a low-level C-driver, the I2C-S core enables easy and rapid development of over-I2C, or I2C-like protocols in user applications.

The I2C-S is production proven in ASIC and FPGA technologies.

Features : - I2C Slave Transmit and Slave Receive Modes
- I2C Bus Speeds
- Standard-mode (Sm): up to 100 Kbps
- Fast-mode (Fm): up to 400 Kbps
- Fast-mode Plus (Fm+): up to 1Mbps
- High-Speed mode (Hs): up to 3.4 Mbps
- Unidirectional Ultra Fast Speed (UFm): up to 5 Mbps
- Programmable 7 bits slave address
- Easy to Use

- Control and monitor via 8-bit-wide control status registers
- Maskable interrupts
- Read and write data FIFOs
- Separate clocks for bus interface and I2C bus sampling
- Low Level Driver in C
- Configurable

- Host Interface options include, APB (default), AHB, Wishbone, and 8051-SFR
Categories :
Tags : I2C Bus Slave Controller
Portability :
Type : Soft
Deliverables : - The core is available in Verilog RTL or as a targeted FPGA netlist. Its deliverables include everything required for a successful implementation, including an extensive testbench, comprehensive documentation and a low-level device driver.

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