Cypress CY7C65113C manual Data Set, Update only if Fifo is Written

H O S T

CY7C65113C

1. IN Token

Host To Device

Device To Host

Host To Device

S

A

E

C

S

D

C

S

A

A

Y

D

N

R

Y

R

Y

IN

T

Data

C

N

D

D

C

N

C

N

A

K

C

R

P

5

C

16

C

1/0

Token Packet

Data Packet

Hand

Shake

Packet

Host To Device

Device To Host

UPDATE

S

A

E

C

S

Y

IN

D

N

R

Y

NAK/STALL

N

D

D

C

N

C

R

P

5

C

D

E

Token Packet

Data Packet

UPDATE

V

2. OUT or SETUP Token without CRC error

I

Host To Device

Host To Device

Device To Host

C

E

O

D

S

U

A

E

C

S

C

S

A

ACK,

Y

T

D

N

R

Y

R

Y

T

Data

NAK,

N

/

D

D

C

N

C

N

A

STAL

C

Set

R

P

5

C

16

C

1/0

up

Token Packet

Data Packet

Hand

Shake

SETUP

UPDATE

Packet

3. OUT or SETUP Token with CRC error

Host To Device

Host To Device

O

D

S

U

A

E

C

S

C

A

Y

T

D

N

R

Y

R

T

Data

N

/

D

D

C

N

C

A

C

Set

R

P

5

C

16

1/0

up

Token Packet

Data Packet

UPDATE only if FIFO is

written

Figure 17-5. Token/Data Packet Flow Diagram

Document #: 38-08002 Rev. *D Page 38 of 49

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