DP83932CVF-20 National Semiconductor, DP83932CVF-20 Datasheet - Page 60
![no-image](/images/manufacturer_photos/0/4/469/national_semiconductor_sml.jpg)
DP83932CVF-20
Manufacturer Part Number
DP83932CVF-20
Description
IC CTRLR ORIENT NETWORK 132PQFP
Manufacturer
National Semiconductor
Series
SONIC™r
Datasheet
1.DP83932CVF-20.pdf
(98 pages)
Specifications of DP83932CVF-20
Controller Type
Ethernet Network Interface Controller
Interface
Bus
Voltage - Supply
5V
Mounting Type
Surface Mount
Package / Case
132-MQFP, 132-PQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Supply
-
Operating Temperature
-
Other names
*DP83932CVF-20
- Current page: 60 of 98
- Download datasheet (2Mb)
5 0 Bus Interface
5 4 5 4 Memory Cycle for BMODE
Mode
On the rising edge of T1 the SONIC asserts ADS and ECS
to indicate that the memory cycle is starting The address
(A31-A1) bus status (S2-S0) and the direction strobe
(MWR) are driven and do not change for the remainder of
the memory cycle On the falling edge of T1 the SONIC
deasserts ECS ADS is deasserted on the rising edge of T2
FIGURE 5-14 Memory Read BMODE
FIGURE 5-15 Memory Write BMODE
(Continued)
e
0 Synchronous
60
e
e
5-15 ) data is driven on the rising edge of T1 and stays driv-
In Synchronous mode RDYi is sampled on the rising edge
at the end of T2 (the rising edge of the next T1) T2 states
will be repeated until RDYi is sampled properly in a low
state RDYi must meet the setup and hold times with re-
spect to the rising edge of bus clock for proper operation
During read cycles ( Figure 5-14 ) data (D31-D0) is latched
at the rising edge at the end of T2 For write cycles ( Figure
en until the end of the cycle
0 Synchronous (1 Wait-State)
0 Synchronous (1 Wait-State)
TL F 10492 – 38
TL F 10492 – 40
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