zl50416 Zarlink Semiconductor, zl50416 Datasheet - Page 131

• Manufacturer Part Number: zl50416
• Description: Managed 16-port 10/100 M + 2-port 1 G Ethernet Switch
• Manufacturer: Zarlink Semiconductor

14.5.6
Read Set up Time
Read Active Time
Read Hold Time
Read Recovery time
Data Valid time
Data Invalid time
P_ADDR
P_CS#
P_RD#
DATA to CPU
Read Cycle
Typical CPU Timing Diagram for a CPU Read Cycle
Description
Figure 18 - Typical CPU Timing Diagram for a CPU Read Cycle
Valid time
T
T
T
T
T
T
RS
RA
RH
RR
Dv
DI
Symbol
T
RS
T
DV
2 SCLKs
at least
10
20
2
30
T
Table 17 - Read Cycle
(SCLK=100Mhz)
ADDR0
RA
Min
Zarlink Semiconductor Inc.
DATA 0
ZL50416
T
T
10
6
RH
DI
131
Max
Recovery Time
at least 3 SCLKs
Invalid time
T
10
16
2
24
RR
(SCLK=125Mhz)
Min
2ns
T
RS
10
6
Max
ADDR1
T
DV
2 SCLKs
at least
T
RA
At least 2 SCLK
At least 3 SCLK
DATA 1
Refer to Figure
T
RH
T
DI
Data Sheet