() - - OUT DATA.
- (Handshake Packet) ACK.
27.3 USB - .
| 1- | 2 | 3 - | |||||
| O U T | A D D R | E N D P | C R C | D A T A | C R C | A C K | |
| 4- | 5 | 6 - | |||||
| O U T | A D D R | E N D P | C R C | D A T A | C R C | A C K | |
. 27.3.
1 - , - OUT. , - - .
2 , PID - DATA1.
3 (handshake), ACK -, . OUT 4, 5, DATA0. , ACK.
DATA1 DATA0 . , ACK - -, ( CRC ). , ? , (data toggle bit), . () PID, , DATA0 DATA1. - DATA0-DATA1 . DATA , - (handshake packet).
