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PacingblockRXEVT[0]
PacingblockRXEVT[1]
EW_INTCTL[16]
EW_INTCTL[17]
PacingblockRXEVT[2]
PacingblockRXEVT[3]
EW_INTCTL[18]
EW_INTCTL[19]
PacingblockRXEVT[4]
PacingblockRXEVT[5]
EW_INTCTL[20]
EW_INTCTL[21]
Pacingblock
RXEVT[6]
PacingblockRXEVT[7]
EW_INTCTL[22]
EW_INTCTL[23]
PS_TICK EW_INTCTL[23:16]
MACRXINT
Receivepacerandinterruptcombiner
EMAC Functional Architecture
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2.7.5 Receive Pacer and Interrupt Combiner (RPIC)
The receive pacer and interrupt combiner (RPIC) block performs following functions:
• Implements pacing for receive events.
• Combines the output of the pacer module based on the settings of bits 16 to 23 in the EW_INTCTL
register and generates a single MACRXINT interrupt per the C64x+ megamodule.
• Receives a single PS_TICK and forwards it to all the pacing blocks.
• Allows, per interrupt enabling or disabling of the interrupts, the setting of bits 16 to 23 in the
EW_INTCTL register.
Figure 19 shows the block diagram of receive pacer and interrupt combiner (RPIC).
Figure 19. Receive Pacer and Interrupt Combiner
46
C6472/TCI6486 EMAC/MDIO SPRUEF8F–March 2006–Revised November 2010
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