668-0003-C Rabbit Semiconductor, 668-0003-C Datasheet - Page 147
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
668-0003-C
Manufacturer:
Rabbit Semiconductor
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10 000
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Figure 13-4 shows a sample connection of two slave Rabbits to a master Rabbit. The mas-
ter drives the slave reset line for both slaves and provides the main processor clock from
its own clock. There is no requirement that the master and slave share a clock, but doing
so makes it unnecessary to connect a crystal to the slaves. Each Rabbit in Figure 13-4 has
to have RAM memory. The master must also have flash memory. However, the slaves do
not need nonvolatile memory since the master can cold boot them over the slave port and
download their program. In order for this to happen, the SMODE0 and SMODE1 pins
must be properly configured as shown in Figure 13-4 to begin a cold boot process at the
end of the slave reset.
Chapter 13 Rabbit Slave Port
Master writes status register
Slave writes status register
Master writes SPD0R
Slave writes SPD0R
Figure 13-3. Slave Port Handshaking and Interrupts
Visible in status register
Slave inbound interrupt requested
Visible in status register
/SLAVEATTN (PB7)
141
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