20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 84
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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10.1.1 Block Diagram
10.1.2 Registers
10.2 Dependencies
10.2.1 I/O Pins
Parallel Port C uses pins PC0 through PC7. These pins can be used individually as data
inputs or outputs; as serial port transmit and receive for Serial ports A–D. The Input Cap-
ture peripheral can also watch pins PC7, PC5, PC3, and PC1.
On startup, PC4, PC2, and PC0 are outputs set high, PC6 is set low, and the other pins are
inputs for compatibility with the Rabbit 2000.
See Chapter 20 for details on how the Input Capture peripheral uses Parallel Port C.
10.2.2 Clocks
All outputs on Parallel Port C are clocked by the peripheral clock.
10.2.3 Other Registers
10.2.4 Interrupts
There are no interrupts associated with Parallel Port C.
74
Port C Data Register
Port C Function Register
SACR, SBCR, SCCR,
SDCR
ICS1R, ICS2R
Register Name
Register
Select a Parallel Port C pin as serial data input.
Select a Parallel Port C pin as a start/stop condition
for the Input Capture peripheral.
Mnemonic
PCDR
PCFR
Rabbit 3000 Microprocessor User’s Manual
Function
I/O Address
0x0050
0x0055
R/W
R/W
W
x0x1x1x1
x0x0x0x0
Reset
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