20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 305

• 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

Chapter 27 System/User Mode
Bit(s)
Bit(s)
Bit(s)
6:0
6:0
6:0
Parallel Port D User Enable Register
7
7
7
Parallel Port E User Enable Register
Input Capture User Enable Register
Value
Value
Value
0
1
0
1
0
1
Disable User Mode access to Parallel Port D (I/O addresses 0x0060–0x006F).
Enable User Mode access to Parallel Port D (I/O addresses 0x0060–0x006F).
These bits are reserved and should be written with zeros.
Disable User Mode access to Parallel Port E (I/O addresses 0x0070–0x007F).
Enable User Mode access to Parallel Port E (I/O addresses 0x0070–0x007F).
These bits are reserved and should be written with zeros.
Disable User Mode access to input capture (I/O addresses 0x0056–0x005F).
Enable User Mode access to input capture (I/O addresses 0x0056–0x005F).
These bits are reserved and should be written with zeros.
(PDUER)
(PEUER)
(ICUER)
Description
Description
Description
(Address = 0x0360)
(Address = 0x0370)
(Address = 0x0358)
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