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PEB2035 Datasheet(PDF) 55 Page - Siemens Semiconductor Group |
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PEB2035 Datasheet(HTML) 55 Page - Siemens Semiconductor Group |
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55 / 134 page  Semiconductor Group 55 PEB 2035 Interface to Signaling Controller SCLK I as above SYPQ I as above RDO O as above XDI I as above RSIGM O Receive Signaling Marker It marks all signaling bits on RDO. XSIGM O Transmit Signaling Marker It marks all signaling bits on XDI. RREQ O Receive DMA/Interrupt Request Enabled via bit XC0.ISIG. It requires read access to the internal Receive Signaling Stack RSIG. XREQ O Transmit DMA/Interrupt Request Enabled via bit XC0.ISIG. It requires write access to the internal Transmit Signaling Stack XSIG. ACKNLQ I DMA/Interrupt Acknowledge Enabled via bit XC0.ISIG. This input acts as access enable to the signaling stacks for I/O-to-memory DMA applications. XSIG I PCM 24: Transmit Signaling Data Additional system internal transmit highway input for signaling data. Used if the switching network circuits are not able to tri-state their outputs. Normally, this will be used for CAS-BR applications. RMFB O PCM 24: Receive Multiframe Begin It marks the beginning of every received multiframe on RDO. Additional pulses every twelve frames are provided in ESF and F72 format to enable easy access to FS/DL information which may be used for synchronizing an external controller. Generation of these additional pulses can be disabled via bit ACR.MFBS. For interrupt applications, the internal status bits MFR.RRS and MFR.RMB may be used in conjunction with the acknowledge bit XFDL.RMAK. XMFB O PCM 24: Transmit Multiframe Begin Its function is equivalent to RMFB for the transmit direction. Associated bits: MFR.XRS, MFR.XMB, XFDL.XMAK and also ACR.MFBS. FREEZS O PCM 24: Freeze Signaling Synchronization status signal which informs the signaling controller that current signaling should be frozen. |
Similar Part No. - PEB2035 |
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Similar Description - PEB2035 |
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