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TMPR3911 Datasheet(PDF) 177 Page - Toshiba Semiconductor |
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TMPR3911 Datasheet(HTML) 177 Page - Toshiba Semiconductor |
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177 / 462 page  Chapter 7 CHI Module 7-3 Table 7.2.1 and Table 7.2.2 shows a summary matrix for the values of CERX and CETX for all possible settings of CHIRXBOFF and CHITXBOFF, respectively. These values are shown for various configurations of CHICLK mode (1x versus 2x), CHIFSEDGE, CHIRXEDGE, and CHITXEDGE. The CHIFSEDGE settings determine whether to use the rising edge (CHIFSEDGE = 1) or falling edge (CHIFSEDGE = 0) of CHICLK to sample CHIFS. The CHIRXEDGE settings determine whether to use the rising edge (CHIRXEDGE = 1) or falling edge (CHIRXEDGE = 0) of CHICLK to sample the CHIDIN input. The CHITXEDGE settings determine whether to use the rising edge (CHITXEDGE = 1) or falling edge (CHITXEDGE = 0) of CHICLK to push the CHIDOUT output. CERX is defined as the number of CHICLK clock edges (rising and falling) between the edge where CHIFS is sampled and the edge where CHIDIN is sampled. CETX is defined as the number of CHICLK clock edges (rising and falling) between the edge where CHIFS is sampled and the edge where CHIDOUT is pushed. The CHI frame structure and bit offsets are shown in Figure 7.2.1~7.2.7 for various clock and sync configurations. Table 7.2.1 CERX Values for CHIRXBOFF Versus Clock and Edge Configurations CHIRXBOFF chiclk mode chifs- edge chirx- edge 01 23 456 78 9 10 11 12 13 14 15 1x 0 0 0 2 4 6 8 1012 1416 1820 222426 2830 1x 1 1 0 2 4 6 8 1012 1416 1820 222426 2830 1x 0 1 -1 1 3 5 7 9 11 1315 1719 212325 2729 1x 1 0 -1 1 3 5 7 9 11 1315 1719 212325 2729 2x 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 2x 1 1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 2x 0 1 1 3 5 7 9 1113 1517 1921 232527 2931 2x 1 0 1 3 5 7 9 1113 1517 1921 232527 2931 Table 7.2.2 CETX Values for CHITXBOFF Versus Clock and Edge Configurations CHITXBOFF chiclk mode chifs- edge chitx- edge 01 23 456 78 9 10 11 12 13 14 15 1x 0 0 0 2 4 6 8 1012 1416 1820 222426 2830 1x 1 1 0 2 4 6 8 1012 1416 1820 222426 2830 1x 0 1 -1 1 3 5 7 9 11 1315 1719 212325 2729 1x 1 0 -1 1 3 5 7 9 11 1315 1719 212325 2729 2x 0 0 0 2 4 6 8 1012 1416 1820 222426 2830 2x 1 1 0 2 4 6 8 1012 1416 1820 222426 2830 2x 0 1 -1 1 3 5 7 9 11 1315 1719 212325 2729 2x 1 0 -1 1 3 5 7 9 11 1315 1719 212325 2729 When the CHI frame consists of only two time slots, not all the BOFF values are supported. The offsets must be within the half-frame. |
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