DatasheetsPDF.com

MK50H27

ST Microelectronics
Part Number MK50H27
Manufacturer ST Microelectronics
Description Signalling System 7 Link Controller
Published May 7, 2005
Detailed Description MK50H27 Signalling System 7 Link Controller SECTION 1 - FEATURES Complete Level 2 Implementation of SS7. Compatible with...
Datasheet PDF File MK50H27 PDF File

MK50H27
MK50H27


Overview
MK50H27 Signalling System 7 Link Controller SECTION 1 - FEATURES Complete Level 2 Implementation of SS7.
Compatible with 1988 CCITT, AT&T, ANSI, and Bellcore Signalling System Number 7 link level protocols.
Optional operation to comply with Japanese TTC JT-Q703 specification requirements Pin-for-pin and architecturally compatible with MK50H25 (X.
25/LAPD), MK50H29 (SDLC), and MK50H28(Frame Relay).
System clock rates up to 33 MHz (MK50H27 33), or 25 MHz (MK50H27 - 25).
Data rate up to 4 Mbps continuous for SS7 protocol processing, 20 Mbps for transparent HDLC mode, or up to 51 Mbps bursted (gapped data clocks, non-continuous data).
On chip DMA control with programmable burst length.
DMA transfer rate of up to 13.
3 Mbytes/sec using optional 5 SYSCLK DMA cycle (150 nS) at 33 MHz SYSCLK.
Buffer Management includes: - Initialization Block - Separate Receive and Transmit Rings - Variable Descriptor Ring and Window Sizes.
Selectable BEC or PCR retransmission methods, including forced retransmission for PCR.
Handles all 7 SS7 Timers, plus the additional Signal Unit interval timers for Japanese SS7.
Handles all SS7 frame formatting: - Zero bit insert and delete - FCS generation and detection - Frame delimiting with flags Programmable minimum Signal Unit spacing (number of flags between SU’s) Handles all sequencing and link control.
Selectable FCS of 16 or 32 bits.
Testing Facilities: - Internal Loopback - Silent Loopback - Optional Internal Data Clock Generation - Self Test.
Programmable for full or half duplex operation Programmable Watchdog Timers for RCLK and TCLK (to detect absence of data clocks) September 1997 DIP48 PLCC 52 Available in 52 pin PLCC, 84 pin PLCC(for use with external ROM), or 48 pin DIP packages.
SECTION 2 - INTRODUCTION The SGS - Thomson SS7 Signalling Link Controller (MK50H27) is a VLSI semiconductor device which provides a complete level 2 data communication control conforming to the CCITT, ANSI, BELLCORE, and AT&T versions of SS7, as well as optio...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)