AT94K05AL-25BQX Atmel, AT94K05AL-25BQX Datasheet - Page 58
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AT94K05AL-25BQX
Manufacturer Part Number
AT94K05AL-25BQX
Description
Manufacturer
Atmel
Datasheet
1.AT94K05AL-25BQX.pdf
(204 pages)
Specifications of AT94K05AL-25BQX
Device System Gates
5000
Propagation Delay Time
12.1ns
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Mounting
Surface Mount
Pin Count
144
Package Type
LQFP
Lead Free Status / RoHS Status
Compliant
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AT94KAL Series FPSLIC
Figure 4-10. Out Instruction – AVR Writing to the FPGA
Note:
Figure 4-11. In Instruction – AVR Reading FPGA
Notes:
(FPGA DATA OUT)
(FISUA, B, C or D)
AVR CLOCK
(FISUA, B, C or D)
SYSTEM CLOCK)
AVR IOADR
FPGA IORE
SELECT "n"
FPGA CLOCK
1. AVR expects Write to be captured by the FPGA upon posedge of the AVR clock.
1. AVR captures read data upon posedge of the AVR clock.
2. At the end of an FPGA read cycle, there is a chance for the AVR data bus contention between
AVR DBUS
(FPGA DATA IN)
AVR IORE
AVR CLOCK
FPGA IOWE
AVR INST
AVR IOADR
SELECT "n"
FPGA I/O
AVR DBUS
the FPGA and another peripheral to start to drive (active IORE at new address versus
FPGAIORE + Select “n”), but since the AVR clock would have already captured the data from
AVR DBUS (= FPGA Data Out), this is a “don’t care” situation.
AVR IOWE
(SET TO AVR
AVR INST
FPGA I/O
OUT INSTRUCTION
IN INSTRUCTION
WRITE DATA VALID
READ DATA VALID
(1)
(2)
(2)
(1)
1138I–FPSLI–1/08
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