20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 81

• Manufacturer Part Number: 20-668-0024
• Description: IC CPU RABBIT4000 128-LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0024

• Processor Type: Rabbit 4000 8-bit
• Speed: 60MHz
• Voltage: 2.5V, 2.7V, 3V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: 20-668-0022; 316-1078

7.5 Register Descriptions
Chapter 7 External Interrupts
Bit(s)
7:6
5:4
3:2
1:0
Interrupt x Control Register
Value
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
Parallel Port D low nibble interrupt disabled.
Parallel Port D low nibble interrupt on falling edge.
Parallel Port D low nibble interrupt on rising edge.
Parallel Port D low nibble interrupt on both edges.
Parallel Port E high nibble interrupt disabled.
Parallel Port E high nibble interrupt on falling edge.
Parallel Port E high nibble interrupt on rising edge.
Parallel Port E high nibble interrupt on both edges.
Parallel Port E low nibble interrupt disabled.
Parallel Port E low nibble interrupt on falling edge.
Parallel Port E low nibble interrupt on rising edge.
Parallel Port E low nibble interrupt on both edges.
This external interrupt is disabled.
This external interrupt uses Interrupt Priority 1.
This external interrupt uses Interrupt Priority 2.
This external interrupt uses Interrupt Priority 3.
(I0CR)
(I1CR)
Description
(Address = 0x0098)
(Address = 0x0099)
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