TigerSHARC DSP Hardware Specification, Revision 1.0.2, Link Ports
TigerSHARC DSP Hardware Specification, Revision 1.0.2, Link Ports
TigerSHARC DSP Hardware Specification, Revision 1.0.2, Link Ports
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<strong>Link</strong> <strong>Ports</strong>A enables token switchA regrets token switchacknowledgeA starts transmittingLxCLKOUTtoken switch enableLxCLKINLxDAT [7:0]a14a15a0 a1 a2 a3LxDIR (A)LxDIR (B)Figure 8-9. Transmitter Regrets a Token SwitchThe former transmitter must keep the LxCLKOUT high long enough to guaranteethat the token switch takes place. (See Data Sheet.) The receivermust request the token switch when it senses its LxCLKIN is high. If thereceiver does not request the token switch in time and the transmitter hasmore data to send, the transmitter indicates that it regrets the token switchby setting LxCLKOUT low (token request), which cancels the token switch<strong>TigerSHARC</strong> <strong>DSP</strong> <strong>Hardware</strong> <strong>Specification</strong> 8 - 15
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