20-668-0003 Rabbit Semiconductor, 20-668-0003 Datasheet - Page 144
20-668-0003
Manufacturer Part Number
20-668-0003
Description
IC CPU RABBIT2000 30MHZ 100PQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0003.pdf
(228 pages)
Specifications of 20-668-0003
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
Data Bus Width
8 bit
Maximum Clock Frequency
30 MHz
Operating Supply Voltage
0 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
40
Number Of Timers
8 & 10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
20-668-0003
316-1062
316-1062
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
20-668-0003
Manufacturer:
Rabbit Semiconductor
Quantity:
10 000
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The slave port has three data registers for each direction of communication. Three regis-
ters, SPD0R, SPD1R, and SPD2R, can be written by the master and read by the slave.
Three different registers, also named SPD0R, SPD1R, and SPD2R, can be written by the
slave and read by the master. The same names are used for different registers since it is
usually clear from the context which register is meant. If it is necessary to distinguish
between registers, we will refer to the registers as “SPD0R writable by the slave” or
“SPD0R writable by the master.”
A status register can be read by either the slave or the master. The status register has full/
empty bits for each of the six registers. A data register is considered full when it is written
to by whichever side is capable of writing to it. If the same register is then read by either
side it is considered to be empty. The flag for that register is thus set to a "1" when the reg-
ister is written to, and the flag is set to a "0" when the register is read.
138
Rabbit 2000 Microprocessor User’s Manual
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