lan7500 Standard Microsystems Corp., lan7500 Datasheet - Page 52

• Manufacturer Part Number: lan7500
• Description: Hi-speed Usb 2.0 To 10/100/1000 Ethernet Controller
• Manufacturer: Standard Microsystems Corp.

Revision 1.0 (11-01-10)
7.5.6
SYMBOL
t
doinvld
t
t
t
tckhl
tckp
t
dov
t
su
h
JTAG Timing
This section specifies the JTAG timing of the device. Please refer to
on page 9
TCK clock period
TCK clock high/low time
TDI, TMS setup to TCK rising edge
TDI, TMS hold from TCK rising edge
TDO output valid from TCK falling edge
TDO output invalid from TCK falling edge
for additional details.
TDI, TMS (Inputs)
DESCRIPTION
TDO (Output)
TCK (Input)
Table 7.19 JTAG Timing Values
Figure 7.6 JTAG Timing
DATASHEET
t
doinvld
52
t
t
t
dov
su
tckhl
t
t
tckp
Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
66.67
tckp
MIN
10
10
0
*0.4
t
tckhl
t
h
t
tckp
MAX
Section 1.1.10, "TAP Controller,"
16
*0.6
SMSC LAN7500/LAN7500i
UNITS
ns
ns
ns
ns
ns
ns
NOTES
Datasheet