product brief CP5028 etlink series octal e1 transceiver chip copyright ?2004 chiphomer technology limited page 1 of 2 overview octal e1 transceiver CP5028 is one of the etlink series chips designed by chiphomer technology company, it integrates eight independent e1 transceivers into a single chip. each e1 transceiver works functionally as cp5021, which provide complete function of e1 lin e interface and e1 framer. features eight channels e1 transceiver onboard line interface for clock/data recovery and waveshaping supports 75ohm e1 coaxial and 120ohm e1 twisted pair applications 32-bit or 64-bit jitter attenuator loss of signal indication with programmable th resholds according to it u g.775, ets 300 233 e1 framer support framed or unfram ed data reception and transmission the transmit and receive sections of each transceiver are fully independent frames fas, cas, ccs and crc-4 formats each transceiver contains two 512-bit elastic buffers respec tively for receive and transmit direction, controlled slip capability and slip indication supports sa and si bits insertion and extraction provides 4 performance monitor counters for bipolar and c ode violations, crc-4 errors, e bits and fas word errors detects and generates various alarm including rcl , rlos, ais, rra, rdma, rsa1, rsa0, rsc, rua0. integrated signaling controller - inserts and extracts cas signaling - hdlc controller with two 64-byte buffers
product brief CP5028 etlink series octal e1 transceiver chip copyright ?2004 chiphomer technology limited page 2 of 2 support four separate loop-backs for testing functions 8-bit microprocessor interf ace supports both intel and motorola bus mode. jtag boundary scan meet ieee 1149.1 cmos 3.3 v technology 5 v tolerant inputs maximum power 800 mill watt operating industrial temperature range: -40 ~ 85 elqfp208 package applications pbx digital access cross connect systems (dacs) sonet/sdh add/drop multiplexer voip gateways, multiplexer chiphomer technology limited add: 4f, building d, 1618 yishan road shanghai, p.r.c tel: +86-(0)21-64058488 fax: +86-(0)21-64050030 email: sales@chiphomer.com web: www.chiphomer.com
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