20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 207
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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Chapter 23 External I/O Control
Bit(s)
(Write
(Write
only)
only)
* Introduced with Rabbit 3000A chip.
6:5
3:2
1:0
7
4
Slave Port Control Register
Value
Write
Read
00
01
10
11
00
01
10
11
0
1
0
1
Program fetch as a function of the SMODE pins.
Ignore the SMODE pins program fetch function.
These bits report the state of the SMODE pins.
These bits are ignored and should be written with zero.
/SCS from PE7.
/SCS from PB6
Disable the slave port. Parallel Port A is a byte-wide input port.
Disable the slave port. Parallel Port A is a byte-wide output port.
Enable the slave port.
Enable the external I/O bus. Parallel Port A is used for the data bus and Parallel
Port B[7:2] is used for the address bus.
Slave port interrupts are disabled.
Slave port interrupts use Interrupt Priority 1.
Slave port interrupts use Interrupt Priority 2.
Slave port interrupts use Interrupt Priority 3.
*
.
(SPCR)
Description
(Address = 0x0024)
197
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