STMicroelectronics MK5027
the MK5027 is its buffer management which includes on-chip DMA. This feature allows users to handlq multiple packets of receive and transmit data at a time. (A conventional data linkcontrol chip plus a separate DMA chip would handle data for only a single block at a time.) The MK5027 may be used with any of several popular 16 and 8 bit microprocessors, such as 68000, 6800, Z8000, Z80, LSI-11, 8086, 8088, 8080, etc.
| Part No. |
MK5027 |
| Datasheet |
MK5027
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| Manufacturer |
 STMicroelectronics |
| Description |
SS7 SIGNALLING LINK CONTROLLER |
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DESCRIPTION
The SGS-THOMSON Signalling System #7 Signalling Link Controller (MK5027) is a VLSI semiAugust 1989 DIP48 PLCC52 conductor device which provides a complete link control function conforming to the 1988 CCITT version of SS7. This includes frame formatting, transparency (so called ”bit-stufling”), error recovery by two types of retransmission, error monitoring, sequence number control, link status control, and FISU generation. One of the outstanding features of Figure 1: Pin Connection. VSS-GND DAL07 DAL06 DAL05 DAL04 DAL03 DAL02 DAL01 DAL00 READ INTR DALI DALO DAS BMO, BYTE, BUSREL BMI, BUSAKO HOLD, BUSRQ ALE, AS HLDA CS ADR READY RESET VSS-GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 VCC (+5V) DAL08 DAL09 DAL10 DAL11 DAL12 DAL13 DAL14 DAL15 A16 A17 A18 A19 A20 A21 A22 A23 RD DSR, CTS TD SYSCLK RCLK DTR, RTS TCLK M K 5 0 H 2 5 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1/19 MK5027 Table 1: Pin DESCRIPTION
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