20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 44
20-668-0011
Manufacturer Part Number
20-668-0011
Description
IC MPU RABIT3000A 55.5MHZ128LQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0011.pdf
(312 pages)
Specifications of 20-668-0011
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
Data Bus Width
8 bit
Maximum Clock Frequency
55.5 MHz
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 55 C
Number Of Programmable I/os
56
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
316-1061
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
20-668-0011
Manufacturer:
Rabbit Semiconductor
Quantity:
10 000
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4.4 Register Descriptions
34
Bits 4:2 GCSR
(Read-
Bit(s)
Clock Select
only)
7:6
4:2
1:0
5
000
001
010
100
101
011
110
111
Global Control/Status Register
Value
xxx
00
00
01
10
11
01
10
11
0
1
32 kHz or fraction
32 kHz or fraction
CPU Clock
No reset or watchdog timer timeout since the last read.
The watchdog timer timed out. These bits are cleared by a read of this register.
This bit combination is not possible.
Reset occurred. These bits are cleared by a read of this register.
No effect on the periodic interrupt. This bit will always be read as zero.
Force a periodic interrupt to be pending.
See table below to decode of this field.
Periodic interrupts are disabled.
Periodic interrupts use Interrupt Priority 1.
Periodic interrupts use Interrupt Priority 2.
Periodic interrupts use Interrupt Priority 3.
osc/2
osc/4
osc/6
osc/8
osc/8
osc
GCSR Clock Select Field
32 kHz or fraction
32KHz or fraction
Peripheral
Clock
osc/8
osc/2
osc/4
osc/6
osc
osc
(GCSR)
Description
Rabbit 3000 Microprocessor User’s Manual
Oscillator
Main
off
on
on
on
on
on
on
on
(Address = 0x0000)
short CS option
short CS option
none
short CS option
self-timed option
short CS option
self-timed option
short CS option
short CS option
short CS option
Power-Save CS
if Enabled by
GPSCR
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