668-0011 Rabbit Semiconductor, 668-0011 Datasheet - Page 292
668-0011
Manufacturer Part Number
668-0011
Description
IC MPU RABIT3000A 55.5MHZ128LQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0011.pdf
(312 pages)
Specifications of 668-0011
Rohs Status
RoHS non-compliant
Processor Type
Rabbit 3000 8-Bit
Speed
55.5MHz
Voltage
2.5V, 2.7V, 3V, 3.3V
Mounting Type
Surface Mount
Package / Case
128-LQFP
Features
-
Other names
316-1043
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
668-0011
Manufacturer:
Rabbit Semiconductor
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B.1.12.2 Short Chip Select Timing
When short chip selects are enabled for read cycles, the chip select signals are active only
for the last part of the bus cycle. Wait states are inserted between T1 and T2, so this will
have no effect on the duration of the chip select signals in this mode. The timing diagrams
below illustrate the actual timing for the different divided cases. In these cases the chip
selects are two clock cycles (of the fast oscillator) long.
282
Figure B-3. Short Chip Select Timing: perclk/8, Read Operation
Figure B-4. Short Chip Select Timing: perclk/6, Read Operation
Rabbit 3000 Microprocessor User’s Manual
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