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CY7C9537B Datasheet, PDF (1/43 Pages) Cypress Semiconductor – OC-48/STM-16 Framer-POSIC2G | |||
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CONFIDENTIAL
CY7C9537B
OC-48/STM-16 FramerâPOSIC2Gâ¢
Features
⢠OC-48/STS-48/STM-16, OC-12/STS-12/STM-4,
OC-3/STS3/STM-1 rates, concatenated and non-concat-
enated
â Complies with ITU-Standards G.707/Y.1322 and
G.783[1,2]
â Complies with Bellcore GR253 rev.1, 1997[3]
â Channelized operation: supports 16xSTS-3c/VC4,
4xSTS-12c/VC4-4c, 2xSTS-24c/VC4-8c, and
1xSTS-48c/VC4-16c within OC-48 stream
â Supports TUG3 mapping in SDH mode
⢠Full duplex mapping of ATM cells over SONET/SDH
â Complies with ITU-Standards I.432.2[4,5,6]
⢠Full duplex mapping of packet-over-SONET/SDH: IETF
RFC 1619/1662/2615 (HDLC/PPP)[7,8,9]
⢠Generic Protocol Encapsulator/Decapsulator delin-
eates packets/frames with length-CRC frame construct
â Generic Framing Procedure (GFP) per ANSI
T1X1.5[10,11,12]
â GFP 268r1
â Simple Data Link (SDL) - IETF RFC2823 [13]
â Cypress Hybrid Data Transport (HDT) [14]
⢠User-programmable encapsulation
⢠User-programmable clear channel transport
⢠User-programmable SONET/SDH bypass
⢠Programmable frame tagging engine for packet
preclassification enables such features as
â MPLS label lookup and tagging
â PPP: LCP and NCP tagging
â PPP control packets optionally sent to host CPU
interface
â MAC/layer 3 address look up and tagging
⢠Programmable A1A2 processing bypass in Rx direction
with frame sync input
⢠Complete section overhead (SOH), line overhead
(LOH), and path overhead (POH) processing
⢠APS extraction, CPU interrupt generation, and
programmable insertion of APS byte
⢠Line side APS port interface
⢠Provision for protection switching on SONET/SDH port
⢠Programmable PRBS generator and receiver
⢠Serial port to access line/section data communication
channel (DCC) and voice communication channel
(VCC)
⢠Full duplex UTOPIA/OIF-SPI (POS-PHY) level 3 interface
[15,16]
⢠16-bit/32-bit host CPU interface bus
⢠JTAG and boundary scan
⢠Glue-less interface with Cypress CYS25G0101DX
OC-48 PHY
⢠0.18-µm CMOS, 504-pin BGA package
⢠+1.8V for core, +3.3V for LVTTL I/O, +1.5V/+3.3V for
HSTL/LVPECL I/O supply, and +0.75V/2.0V reference
Applications
⢠Multiservice nodes
⢠ATM switches and routers
⢠Packet routers
⢠Multi-service routers
⢠SONET/SDH add-drop mux for packet/data applications
⢠SONET/SDH/ATM/POS test equipment
Notes:
1. ITU-T Recommendation G.707. âNetwork Node Interface for the Synchronous Digital Hierarchy.â 1996.
2. ITU-T Recommendation G.783. âCharacteristics of Synchronous Digital Hierarchy (SDH) Equipment Functional Blocks.â 2000.
3. Bellcore Publication GR-253-Core. âSynchronous Optical Network (SONET) Transport Systems: Common Generic Criteria.â 1997.
4. ITU-T Recommendation I.432.3. âB-ISDN User-Network InterfaceâPhysical Layer Specification: 1544 kbit/s and 2048 kbit/s operation.â 1999.
5. American National Standards Institute. âSynchronous Optical Network (SONET)âBasic Description including Multiplex Structure, Rates and Formats.â ANSI
T1.105â1995.
6. American National Standards Institute. âSynchronous Optical Network (SONET)âPayload Mappings.â ANSI T1.105.02â1998.
7. Simpson, W. âPPP Over SONET/SDH.â RFC 1619. May 1994.
8. Simpson, W., ed. âPPP in HDLC-like Framing.â RFC 1662. Daydreamer. July 1994.
9. Malis, A. and Simpson, W. âPPP Over SONET/SDH.â RFC 2615. June 1999.
10. Hernandez-Valencia, E. Lucent Technologies. âA Generic Frame Format for Data Over SONET (DoS).â March 2000.
11. Gorshe, C. and Steven. T1X1.5/99-204, T1 105.02. Draft Text for Mapping IEEE 802.3 Ethernet MAC Frames to SONET Payload. July 1999.
12. Hernandez-Valencia, E. Lucent Technologies. T1X1.5/2000-209. âGeneric Framing Procedure (GFP) Specification.â October 9â13, 2000.
13. Carlson, J., P. Langner, E.J. Hernandez-Valencia, and J. Manchester. âPPP over Simple Data Link (SDL) using SONET/SDH with ATM-like Framing.â rfc2823.txt,
May 2000.
14. Pankaj, K. âA Hybrid Data Transport Protocol for Optical Networks.â RFC draft-jha-optical-hdt-00.txt. November 2000.
Cypress Semiconductor Corporation ⢠3901 North First Street ⢠San Jose, CA 95134 ⢠408-943-2600
Document #: 38-02079 Rev. *F
Revised May 3, 2005
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