Texas Instruments TMS570LC4357 - Page 1630

ST
0 1
2 3
4 5
6
7
STOP
Normal Data Frame with BRS[31:28] = 0
Normal Data Frame with BRS[31:28] = 1
ST
0 1 2
3
4
5 6 7
STOP
Tbit
Tbit
Tvclk+
d = Number of Vclk Added / Total Number of Bits
= 2 / 10 = 0.2
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SPNU563A–March 2018
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Serial Communication Interface (SCI)/ Local Interconnect Network (LIN)
Module
(1)
Maximum configuration = Start + 8 Data Bits + Addr Bit + Parity Bit + Stop Bit 0 + Stop Bit 1
Table 29-2. Superfractional Bit Modulation for SCI Mode (Maximum Configuration)
(1)
BRS[30:28]
Start
Bit D[0] D[1] D[2] D[3] D[4] D[5] D[6] D[7] Addr Parity Stop0 Stop1
0h 0 0 0 0 0 0 0 0 0 0 0 0 0
1h 1 0 0 0 0 0 0 0 1 0 0 0 0
2h 1 0 0 0 1 0 0 0 1 0 0 0 1
3h 1 0 1 0 1 0 0 0 1 0 1 0 1
4h 1 0 1 0 1 0 1 0 1 0 1 0 1
5h 1 1 1 0 1 0 1 0 1 1 1 0 1
6h 1 1 1 0 1 1 1 0 1 1 1 0 1
7h 1 1 1 1 1 1 1 0 1 1 1 1 1
(1)
Minimum configuration = Start + 1 Data Bits + Stop Bit
Table 29-3. SCI Mode (Minimum Configuration)
(1)
BRS[30:28] Start Bit D[0] Stop
0h 0 0 0
1h 1 0 0
2h 1 0 0
3h 1 0 1
4h 1 0 1
5h 1 1 1
6h 1 1 1
7h 1 1 1
Figure 29-5. Superfractional Divider Example