lan9311 Standard Microsystems Corp., lan9311 Datasheet - Page 453

• Manufacturer Part Number: lan9311
• Description: Lan9311/lan9311i Two Port 10/100 Managed Ethernet Switch With 16-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
15.5.8
SYMBOL
t
cycle
t
t
t
A[x:1], END_SEL
t
t
t
asu
dsu
csh
csl
ah
dh
nCS, nWR
PIO Write Cycle Timing
Please refer to
Note: A PIO write cycle begins when both nCS and nWR are asserted. The cycle ends when either
Write Cycle Time
nCS, nWR Assertion Time
nCS, nWR De-assertion Time
Address Setup to nCS, nWR Assertion
Address Hold Time
Data Setup to nCS, nWR De-assertion
Data Hold Time
D[15:0]
or both nCS and nWR are de-asserted. These signals may be asserted and de-asserted in any
order.
Section 8.5.8, "PIO Writes," on page 111
Table 15.12 PIO Write Cycle Timing Values
DESCRIPTION
Figure 15.8 PIO Write Cycle Timing
t
asu
DATASHEET
453
t
csl
t
for a functional description of this mode.
t
cycle
dsu
MIN
45
32
13
0
0
7
0
t
dh
t
ah
TYP
t
csh
Revision 1.2 (04-08-08)
MAX
UNITS
nS
nS
nS
nS
nS
nS
nS