20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 142
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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132
Bit(s)
1:0
7
6
5
4
3
2
Serial Port x Status Register
(Clocked Serial Mode Only)
Value
00
0
1
0
0
1
0
0
1
0
1
The receive data register is empty
There is a byte in the receive buffer. The serial port will request an interrupt
while this bit is set. The interrupt is cleared when the receive buffer is empty.
This bit is always zero in the clocked serial mode.
The receive buffer was not overrun.
The receive buffer was overrun. This bit is cleared by reading the receive buffer.
This bit is always zero in the clocked serial mode.
The transmit buffer is empty.
The transmit buffer is not empty. The serial port will request an interrupt when
the transmitter takes a byte from the transmit buffer. Transmit interrupts are
cleared when the transmit buffer is written, or any value (which will be ignored)
is written to this register.
The transmitter is idle.
The transmitter is sending a byte. An interrupt is generated when the transmitter
clears this bit, which occurs only if the transmitter is ready to start sending
another byte and the transmit buffer is empty.
These bits are always zero in the clocked serial mode.
(SASR)
(SBSR)
(SCSR)
(SDSR)
Description
Rabbit 3000 Microprocessor User’s Manual
(Address = 0x00C3)
(Address = 0x00D3)
(Address = 0x00E3)
(Address = 0x00F3)
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