SCN2652
SCN2652 is Multi-protocol communications controller MPCC manufactured by NXP Semiconductors.
DESCRIPTION
The SCN2652/68652 Multi-Protocol munications Controller (MPCC) is a monolithic n-channel MOS LSI circuit that formats, transmits and receives synchronous serial data while supporting bit-oriented or byte control protocols. The chip is TTL patible, operates from a single +5V supply, and can interface to a processor with an 8 or 16-bit bidirectional data bus.
FEATURES
- DC to 2Mbps data rate
- Bit-oriented protocols (BOP): SDLC, ADCCP, HDLC
- Byte-control protocols (BCP): DDCMP, BISYNC (external CRC)
- Programmable operation
- 8 or 16-bit tri-state data bus
- Error control
- CRC or VRC or none
- Character length
- 1 to 8 bits for BOP or 5 to 8 bits for BCP
- SYNC or secondary station address parison for BCP-BOP
- Idle transmission of SYNC/FLAG or MARK for BCP-BOP
APPLICATIONS
- Intelligent terminals
- Line controllers
- Network processors
- Front end munications
- Remote data concentrators
- munication test equipment
- puter to puter links
- Automatic detection and generation of special BOP control sequences, i.e., FLAG, ABORT, GA
- Zero insertion and deletion for BOP
- Short character detection for last BOP data character
- SYNC generation, detection, and stripping for BCP
- Maintenance mode for self-testing
- TTL patible
- Single +5V supply
PIN CONFIGURATION
INDEX CORNER CE Rx C Rx SI S/F Rx A Rx DA Rx SA Rx E 1 2 3 4 5 6 7 8 40 MM 39 Tx C 38 Tx SQ 37 Tx E 36 Tx U 35 Tx BE 17 34 Tx A 33 RESET 32 VCC DIP 31 DB00 30 DB01 29 DB02 28 DB03 27 DB04 26 DB05 25 DB06 24 DB07 23 DBEN 22 BYTE 21 A0 TOP VIEW NOTE: DB00 is least significant bit, highest number (that is, DB15, A2) is most significant bit. 18 TOP VIEW Pin Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 NC CE Rx C Rx SI S/F Rx A Rx DA Rx SA Rx E GND DB08 NC DB09 DB10 DB11 DB12 DB13 DB14 DB15 R/W A2 A1 Pin Function 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 NC A0 BYTE DBEN DB07 DB06 DB05 DB04 DB03 DB02 DB01 NC DB00 VCC RESET Tx A Tx BE Tx U Tx E Tx SQ Tx C MM 28 29 PLCC 7 6 1 40...
