20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 147

• Manufacturer Part Number: 20-668-0011
• Description: IC MPU RABIT3000A 55.5MHZ128LQFP
• Manufacturer: Rabbit Semiconductor

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

Chapter 17 Serial Ports A – D
Bit(s)
Bit(s)
3:0
7
6
5
4
3
2
1
0
7
6
5
4
Parallel Port C Function Register
Parallel Port D Function Register
Value
Value
x
0
1
x
0
1
x
0
1
x
0
1
x
0
1
x
0
1
x
Parallel Port C pin 7 is always a parallel port input.
Parallel Port C pin 6 is a parallel port output.
Parallel Port C pin 6 drives TxA.
Parallel Port C pin 5 is always a parallel port input.
Parallel Port C pin 4 is a parallel port output.
Parallel Port C pin 4 drives TxB.
Parallel Port C pin 3 is always a parallel port input.
Parallel Port C pin 2 is a parallel port output.
Parallel Port C pin 2 drives TxC.
Parallel Port C pin 1 is always a parallel port input.
Parallel Port C pin 0 is a parallel port output.
Parallel Port C pin 0 drives TxD.
Parallel Port D pin 7 is always a parallel port I/O pin.
Parallel Port D pin 6 is a parallel port I/O pin.
Parallel Port D pin 6 drives ATxA.
Parallel Port D pin 5 is always a parallel port I/O pin.
Parallel Port D pin 4 is a parallel port I/O pin.
Parallel Port D pin 4 drives ATxB.
Parallel Port D pins 3:0 are always parallel port I/O pins.
(PCFR)
(PDFR)
Description
Description
(Address = 0x0055)
(Address = 0x0065)
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