668-0003-C Rabbit Semiconductor, 668-0003-C Datasheet - Page 207
![no-image](/images/no-image-200.jpg)
668-0003-C
Manufacturer Part Number
668-0003-C
Description
IC CPU RABBIT2000 30MHZ 100PQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0003.pdf
(228 pages)
Specifications of 668-0003-C
Rohs Status
RoHS non-compliant
Processor Type
Rabbit 2000 8-Bit
Speed
30MHz
Voltage
2.7V, 3V, 3.3V, 5V
Mounting Type
Surface Mount
Package / Case
100-MQFP, 100-PQFP
Features
-
Other names
316-1004
668-0003
668-0003
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Company:
Part Number:
668-0003-C
Manufacturer:
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B.1 Rabbit 2000 Revisions
Since its release, the Rabbit 2000 microprocessor has gone through a number of revisions.
The revisions reflect bug fixes, improvements, and the introduction of new features. All
Rabbit 2000 revisions are pin-compatible and transparently replace previous versions of
the chip.
The Rabbit 2000 has been supplied in the following versions.
1. Original Rabbit 2000—identified by IQ2T on the package. This original Rabbit 2000
2. First revision (Rabbit 2000A)—identified by IQ3T on the package. This version
Appendix B Rabbit 2000 Revisions
began shipping in November,1999, and was phased out in January, 2002. There were
several bugs:
began shipping in January, 2002. All the bugs in the original Rabbit 2000 were fixed,
and additional new features were added:
(a) Certain instructions did not function correctly as described in Technical Note
(b) The external interrupt inputs had to be tied together with a resistor as described
(c) Wait states did not function properly when used to access code in slower mem-
(a) Support for separate I & D space.
(b) An additional register in the serial port hardware simplifies sending out an
(c) Improvements in the battery-backup hardware allow for implementation of a
A
TN302, Rabbit 2000 Instruction Bug. The Dynamic C compiler corrects this
situation automatically.
in Technical Note TN301, Rabbit 2000 Microprocessor Interrupt Problem.
ories because certain instructions failed in these circumstances. This bug is
fixed in the Rabbit 2000A through Rabbit 2000C revisions.
additional stop bit or parity bit.
simplified circuit for backing up the real-time clock and associated static
RAM. A new bug exists in the block copy instruction between separate I & D
spaces that is only active when the separate I & D space is enabled. This bug is
automatically corrected by Dynamic C.
PPENDIX
B. R
ABBIT
2000 R
EVISIONS
201
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