TC1796
Peripheral Units (Vol. 2 of 2)
Synchronous Serial Interface (SSC)
User’s Manual 20-60 V2.0, 2007-07
SSC, V2.1
Note: Additional details on service request nodes and the service request control
registers are described on Page 14-3 of the TC1796 User’s Manual System Units
part (Volume 1).
20.3.3 DMA Requests
The DMA request lines of the SSC0/SSC1 modules become active whenever the
corresponding interrupt request line becomes activated. The DMA request lines are
connected to the DMA controller as shown in Table 20-7.
Note: Further details on DMA handling and processing are described in Chapter 12 of
the TC1796 System Units User’s Manual (Volume 1).
Table 20-7 DMA Request Lines of SSC0/SSC1
Module SSC Interrupt
Request Line
DMA Request
Line
Description
SSC0 RIR SSC0_RDR SSC0 Receive DMA Request
TIR SSC0_TDR SSC0 Transmit DMA Request
SSC1 RIR SSC1_RDR SSC1 Receive DMA Request
TIR SSC1_TDR SSC1 Transmit DMA Request