Cypress EZ-OTG CY7C67200 用户手册

Document #: 38-08014 Rev. *G

Page 67 of 78

USB 2.0-compatible in full- and low-speed modes. 

This product was tested as compliant to the USB-IF specification under the test identification number (TID) of 100390449 and is
listed on the USB-IF’s integrators list.

V

A_SESS_VALID

A-Device Session Valid

0.8

2.0

V

V

B_SESS_VALID

B-Device Session Valid

0.8

4.0

V

V

A_SESS_END

B-Device Session End

0.2

0.8

V

E

Efficiency When Loaded

I

LOAD

 = 8 mA, VCC = 3.3V

75

%

R

PD

Data Line Pull Down

14.25

24.8

Ω

R

A_BUS_IN

A-device V

BUS

 Input Impedance 

to GND

V

BUS 

is not being driven

40

100

k

Ω

R

B_SRP_UP

B-device V

BUS

 SRP Pull Up

Pull-up voltage = 3.0V

281

Ω

R

B_SRP_DWN

B-device V

BUS

 SRP Pull Down

656

Ω

Table 41.DC Characteristics: Charge Pump (continued)

9. Clock is 12 MHz nominal.

t

RESET

nRESET Pulse Width

16

clocks

t

IOACT

nRESET HIGH to nRD or nWRx Active

200

µs

nRESET

nRD or nWRL or nWRH

t

RESET

t

IOACT