CY7C64013
CY7C64113
1. IN Token
a)
S
D
A
T
A
1
C
R
C
1
A
D
D
R
E
N
D
P
C
R
C
5
S
Y
N
C
S
Y
N
C
A
C
K
I
N
Y
N
C
data
6
Token Packet
Data Packet
H/S Pkt
update
b)
S
Y
N
C
A
D
D
R
E
N
D
P
C
R
C
5
S
I
N
NAK/
Y
N
C
STALL
D
E
V
I
C
E
H/SPkt
Token Packet
update
H
O
S
T
2. OUT or SETUP Token without CRC error
D
A
T
A
1
O
U
T
Set
up
C
R
C
1
ACK,
S
Y
N
C
S
Y
N
C
A
D
D
R
E
N
D
P
C
R
C
5
S
Y
N
C
NAK,
data
STALL
6
H/S Pkt
Token Packet
Data Packet
Setup
update
3. OUT or SETUP Token with CRC error
D
A
T
A
1
O
U
T
Set
up
C
S
Y
N
C
A
D
D
R
E
N
D
P
C
R
C
5
S
Y
N
C
R
C
1
data
6
Token Packet
Data Packet
update only if FIFO is
update only if FIFO is
Written (see Table 19-3)
Written (see Table 20-3)
Figure 18-5. Token/Data Packet Flow Diagram
Document #: 38-08001 Rev. **
Page 35 of 48
CYPRESS [ CYPRESS ]
