668-0011 Rabbit Semiconductor, 668-0011 Datasheet - Page 277

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

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

Appendix B Rabbit 3000 Revisions
Rabbit 3000 chips identified by UL2T for the LQFP package and DZ2J for the TFBGA
package are RoHS-compliant. The UL2T and DZ2J RoHS versions were introduced in
mid-2007, and the IL2T and IZ2T non-RoHS versions are no longer avaialble.
(j) The low-power capability of the processor was further expanded with the addi-
(k) The PWM outputs can now trigger a PWM interrupt each cycle or every
(l) The quadrature decoder hardware can be configured to use a 10-bit counter in
(m)An option was added to alternatively multiplex PWM outputs, slave chip select
(n) The Schmitt trigger IC normally required for the low power 32.768 kHz oscil-
NOTE: Based on this modification, a new low-power oscillator circuit is recommended
for use with Rabbit 3000A-based systems. Please refer to TN235, External 32.768 kHz
Oscillator Circuits, for more information on the circuit.
tion of short chip select timing for all clock modes (except for divide-by-one
mode) and for reads, writes, or both.
other/fourth/eighth cycle. In addition, the PWM output can be suppressed
every other cycle, three out of every four cycles, or seven out of every eight
cycles. These options were added to provide support for driving servos in addi-
tion to generating audio using the Rabbit 3000A.
place of the existing 8-bit counter.
(/SCS), and Serial Ports E and F transmit and receive clocks on other pins.
lator circuit is now integrated inside the Rabbit 3000A.
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