20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 204
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
- Current page: 204 of 312
- Download datasheet (2Mb)
23.2 Dependencies
23.2.1 I/O Pins
The external I/O bus uses PA0–PA7 for data, and PB2–PB7 for address lines, depending
on the setting in SPCR.
The /IOWR, /IORD, and /BUFEN pins are dedicated strobes for external I/O accesses.
The I/O strobes can be directed out to pins on Parallel Port E; each bank can be directed to
the appropriate pin (bank zero on PE0; bank one on PE1; etc.). The strobes will affect out-
puts on /IOWR, /IORD, and /BUFEN at all times.
23.2.2 Clocks
All external I/O accesses and strobes are based on the processor clock.
23.2.3 Other Registers
23.2.4 Interrupts
There are no interrupts associated with external I/O.
194
SPCR
PCFR, PCALR, PCAHR
PDFR, PDALR, PDAHR,
PEFR, PEALR, PEAHR
Register
Enable the external I/O bus.
Select Parallel Port C, D, or E pins as I/O strobe
outputs.
Select PD1, PD3, PD5, or PD7 as address bits 6-7.
Rabbit 3000 Microprocessor User’s Manual
Function
Related parts for 20-668-0011
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
IC CPU RABBIT2000 30MHZ 100PQFP
Manufacturer:
Rabbit Semiconductor
Datasheet:
Part Number:
Description:
IC CPU RABBIT4000 128-LQFP
Manufacturer:
Rabbit Semiconductor
Datasheet:
Part Number:
Description:
Microprocessors - MPU Rabbit 3000 TFBGA Microprocessor
Manufacturer:
Rabbit Semiconductor
Part Number:
Description:
Microprocessors - MPU Rabbit 4000 LQFP Microprocessor
Manufacturer:
Rabbit Semiconductor
Part Number:
Description:
IC, I/O EXPANDER, 8BIT, 40MHZ, TQFP-64
Manufacturer:
Rabbit Semiconductor
Part Number:
Description:
SCRs 1.5A 200uA 400V Sensing
Manufacturer:
Littelfuse Inc
Datasheet:
Part Number:
Description:
CARD 6-RELAY SMARTSTAR SR9500
Manufacturer:
Rabbit Semiconductor
Datasheet:
Part Number:
Description:
WIRE-BOARD CONN RECEPTACLE, 6POS, 3.96MM
Manufacturer:
TE Connectivity
Datasheet:
Part Number:
Description:
ADAPTER 20 PIN .420" PLUGS(6PCS)
Manufacturer:
Logical Systems Inc.
Datasheet:
Part Number:
Description:
CONN BARRIER BLOCK .438" 20 POS
Manufacturer:
Cinch Connectors
Datasheet:
Part Number:
Description:
20 MODII 2PC HDR DR SHRD, ROHS
Manufacturer:
TE Connectivity
Datasheet:
Part Number:
Description:
WIRE-BOARD CONN RECEPTACLE, 6POS, 3.96MM
Manufacturer:
TE Connectivity
Datasheet: