668-0003-C Rabbit Semiconductor, 668-0003-C Datasheet - Page 58
![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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
668-0003-C
Manufacturer:
Rabbit Semiconductor
Quantity:
10 000
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5.3 Rabbit Pin Descriptions
Table 5-1 lists all the pins on the device, along with their direction, function, and pin num-
ber on the package.
52
Hardware
CPU Buses
Status/
Control
Status
Pin Group
CLK
/RESET
XTALA1
XTALA2
XTALB1
XTALB2
A0–A19
D0–D7
/WDTOUT
STATUS
Pin Name
Output
Input
Input
Output
Input
Output
Output
Bidirectional Data bus.
Output
Output
Table 5-1. Rabbit Pin Descriptions
Direction
Peripheral clock output. This signal is
derived internally from the main system
oscillator as perclk, and may be divided
by 8, doubled, or both, by programmable
internal circuitry. This signal is enabled
after reset. Under program control, this pin
can output the full internal clock frequency,
or 1/2 the internal frequency, or it can be
used as a general-purpose output pin under
software control. See Table 7-4, “Global
Output Control Register (GOCR = 0x0E).”
Master reset.
Quartz crystal for 32 kHz clock oscillator.
Lines to the crystal should be short and
shielded from crosstalk. If an external
clock is used, this pin should be driven by
the external clock.
Quartz crystal for 32 kHz crystal oscillator.
Do not connect if an external clock is used.
Quartz crystal for main system oscillator.
Lines to the crystal should be short and
shielded from crosstalk. If an external
clock is used this pin should be driven by
the external clock.
Quartz crystal for main system oscillator.
Do not connect if an external clock is used.
Address bus.
WDT timeout—outputs a pulse when the
internal watchdog times out. May also be
used to output a 30 µs pulse.
Programmable for functions:
acknowledge cycle
See Table 7-4, “Global Output Control
Register (GOCR = 0x0E).”.
1. driven low on first opcode fetch cycle
2. driven low during interrupt
3. to serve as a general-purpose output.
Rabbit 2000 Microprocessor User’s Manual
Function
1
40
41
90
91
7, 17–20, 61–
68, 70–75, 79
9–16
34
38
37
Pin Numbers
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