zl50415 Zarlink Semiconductor, zl50415 Datasheet - Page 149

• Manufacturer Part Number: zl50415
• Description: Managed 16-port 10/100 M + 2-port 1 G Ethernet Switch
• Manufacturer: Zarlink Semiconductor

15.5.6
P_ADDR
P_CS#
P_RD#
DATA to CPU
Typical CPU Timing Diagram for a CPU Read Cycle
Read Cycle
Read Set up Time
Read Active Time
Read Hold Time
Read Recovery time
Data Valid time
Data Invalid time
Figure 20 - Typical CPU Timing Diagram for a CPU Read Cycle
Description
Valid time
T
RS
T
T
T
T
T
T
RS
RA
RH
RR
Dv
DI
Symbol
T
DV
2 SCLKs
at least
Table 18 - Read Cycle
T
Zarlink Semiconductor Inc.
ADDR0
RA
DATA 0
ZL50418
(SCLK=100 Mhz)
149
T
T
Min.
RH
DI
10
20
30
2
Recovery Time
at least 3 SCLKs
Invalid time
T
Max.
RR
10
6
2ns
T
RS
At least 2 SCLK
At least 3 SCLK
Refer to Figure 20
ADDR1
T
DV
2 SCLKs
at least
T
RA
DATA 1
T
RH
T
DI
Data Sheet