SAB 82525
SAB 82526
SAF 82525
SAF 82526
Features (cont’d)
Protocol Support
Various types of protocol support depending on operating mode
– Auto-mode
– Non-auto mode
– Transparent mode
Handling of bit oriented functions in all modes
Support of LAPB/LAPD/SDLC/HDLC protocol in auto-mode (I- and S-frame handling)
Modulo 8 or modulo 128 operation
Programmable time-out and retry conditions
Programmable maximum packet size checking
µP Interface
64 byte FIFO’s per channel and direction
Storage capacity of up to 17 short frames in receive direction
Efficient transfer of data blocks from/to system memory by DMA or interrupt request
8-bit demultiplexed or multiplexed bus interface
Intel or Motorola type µP interface
Semiconductor Group
7
SIEMENS [ Siemens Semiconductor Group ]
