The SPC42 protocol ASIC can be used to implement DP as well as PA devices. It manages layer 1 and 2 of PROFIBUS. It has to be operated with a processor and heavy protocol software.
SPC4 – DP/PA Protocol ASIC
Description
TECHNICAL SPECIFICATIONS
PROFIBUS Specifications
- Supported protocols: DP, DP-V1, PA
- Integration depth: Partially integrated slave
- Transmission speeds: 9.6 kbps .. 12 Mbps (RS 485), 31.25 kbps (MBP-IS)
- Total product implementation: ASIC + processor
Hardware Specifications
- Package: 44 pin PQFP
- Temperature range: -40..+85 °C
- Supply Voltage: 3.3 up to 5 Volt
- Supported uP families: Siemens, Intel, Motorola
- External uP interface: Parallel 8 bits
- Dual port RAM buffer size: 1.64 kByte
Software Specifications
- Software driver suppliers: TMG-itec
- Indications: Polling list