20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 299

• Manufacturer Part Number: 20-668-0011
• Description: IC MPU RABIT3000A 55.5MHZ128LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0011

• 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
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 55.5 MHz
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Number Of Programmable I/os: 56
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 316-1061

The timing diagrams below illustrate the actual timing for the 32KHz cases of write
cycles. In these cases the chip selects are active for one clock cycle before and one clock
cycle after the trailing edge of the write signal.
Appendix B Rabbit 3000 Revisions
Figure B-16. Short Chip Select Timing: 2 kHz, Write Operation
Figure B-17. Short Chip Select Timing: 4 kHz, Write Operation
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