LAN9512i SMSC [SMSC Corporation], LAN9512i Datasheet - Page 44

• Manufacturer Part Number: LAN9512i
• Description: USB 2.0 Hub and 10/100 Ethernet Controller
• Manufacturer: SMSC [SMSC Corporation]

Revision 1.0 (11-24-09)
4.5.4
SYMBOL
t
t
t
t
tckhl
tckp
t
doh
dov
t
su
h
JTAG Timing
This section specifies the JTAG timing of the device.
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 hold from TCK falling edge
TDI, TMS (Inputs)
DESCRIPTION
TDO (Output)
TCK (Input)
Table 4.6 JTAG Timing Values
Figure 4.2 JTAG Timing
DATASHEET
t
44
doh
t
t
t
dov
su
tckhl
t
t
tckp
66.67
tckp
MIN
10
10
0
*0.4
t
tckhl
t
USB 2.0 Hub and 10/100 Ethernet Controller
h
t
tckp
MAX
16
*0.6
SMSC LAN9512/LAN9512i
UNITS
ns
ns
ns
ns
ns
ns
NOTES
Datasheet