RM0440 Rev 4 2049/2126
RM0440 USB Type-C™ / USB Power Delivery interface (UCPD)
2079
Bit ordering at transmission
Allowed transmission data units / data sizes are in the following table.
The bit transmission order is shown in the following figure.
Figure 676. Transmit order for various sizes of data
Valid K-code K-code Corrupt K-code
Valid K-code K-code K-code Corrupt
Valid (perfect) K-code K-code K-code K-code
Not valid (example) K-code Corrupt K-code Corrupt
Table 424. Data size
Data unit Non-encoded Encoded
Byte 8-bits 10-bits
Word 16-bits 20-bits
DWord 32-bits 40-bits
Table 423. Validation of ordered sets (continued)
Status 1st code 2nd code 3rd code 4th code
MSv45538V1
b31 b0
4b5b
Transmit last
b15 Transmit first b0b31 Transmit last b16
b7 b0
b3 b0
bit4 bit0
b7 b4
b15 b8
Bit 0Bit 1Bit 2Bit 3Bit 4
Transmit first
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