20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 68
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
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Manufacturer
Quantity
Price
Company:
Part Number:
20-668-0011
Manufacturer:
Rabbit Semiconductor
Quantity:
10 000
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6.2 Operation
To ensure proper operation, all interrupt handler routines should be written according to
the following guidelines.
• Push all registers to be used by the routine onto the stack before use, and pop them off
• Keep the ISR as short and fast as possible.
• If the ISR will run for some time, lower the interrupt priority as soon as possible within
• A number of special rules apply to interrupts when operating in the system/user mode;
6.3 Interrupt Tables
Table 6-1 shows the structure of the internal interrupt vector table. The first column is the
vector address offset within the table. The second column shows the vectors in the first
256 bytes of the table, and the third column shows the vectors in the second 256 bytes.
58
the stack before returning from the ISR.
the ISR to allow other interrupts to occur.
please see the appropriate chapter for more details.
Table 6-1. Internal Interrupt Vector Table Structure
0x00A0
0x00B0
0x00C0
0x00D0
0x00E0
0x00F0
0x0000
0x0010
0x0020
0x0030
0x0040
0x0050
0x0060
0x0070
0x0080
0x0090
Offset
Periodic Interrupt
Secondary Watchdog
RST 10
RST 18
RST20
RST 28
Syscall instruction
RST 38
Slave Port
Write Protect Violation
Timer A
Timer B
Serial Port A
Serial Port B
Serial Port C
Serial Port D
0x0000 + Offset
Rabbit 3000 Microprocessor User’s Manual
PWM
Sys/User Mode Violation
Quadrature Decoder
Input Capture
Stack Limit Violation
Serial Port E
Serial Port F
Network Port A
Timer C
0x0100 + Offset
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