DS2155L Maxim Integrated Products, DS2155L Datasheet
DS2155L
Specifications of DS2155L
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DS2155L Summary of contents
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REVISION A3 ERRATA The errata listed below describe situations where DS2155 revision A3 components perform differently than expected or differently tha n described in the data sheet. Dallas Semiconductor intends to fix these errata in subsequent die revisions. This ...
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TRANSMIT SA BIT SELECT (E1 MODE) Description: The 5 bits that control the Sa bits to be sourced from the TLINK pin are reversed from the order described in the data sheet for the E1TCR2 register. E1TCR2 Sa8S (Data ...
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RECEIVE FRACTIONAL SUPPORT Description: The receive fractional support (alternate function of the RCHCLK pin) does not operate as described in the data sheet. Receive data at the RSER pin is updated on the rising edge of RCLK. In fractional ...
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HDLC SS7 SUPPORT Description: The SS7 support features “transmit loop” and “receive FISU discard” are not available in the DS2155 A3 revision. Work Around: There is no known software work around for this issue. 9. TCLK JITTER Description: More ...
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E1 HDLC CONTROLLERS ARE NOT TESTED BELOW ROOM TEMPERATURE Description: When operating in E1 mode, the HDLC controllers may not function properly at temperatures below room temperature. Work Around: Avoid operation at temperatures below room temperature if using the ...
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WRITING TO THE HDLC TRANSMIT FIFO REQUIRES VERIFICATION Description: The potential exists for the data written into the HDLC transmit FIFO user ports (registers H1TF and H2TF) not to be transferred into the HDLC transmit FIFOs. Work Around: Method ...
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TRANSMIT ELASTIC STORE SLIP Description: When the transmit elastic store is enabled and a slip occurs, the transmit framer restarts the insertion of the multiframe alignment pattern. This may cause the remote port to lose sync. Work Around: There ...