668-0010 Rabbit Semiconductor, 668-0010 Datasheet - Page 294

• Manufacturer Part Number: 668-0010
• Description: IC MPU RABIT3000 55.5MHZ 128LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 668-0010

• 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: 316-1016

When operating from the 32 kHz oscillator, the same options are available, but the timing
is somewhat different. This is illustrated in the diagrams below for the four different cases.
In these case the chip selects are one clock cycle (of the 32 kHz clock) long.
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Figure B-7. Short Chip Select Timing: 2 kHz, Read Operation
Figure B-8. Short Chip Select Timing: 4 kHz, Read Operation
Rabbit 3000 Microprocessor User’s Manual