668-0010 Rabbit Semiconductor, 668-0010 Datasheet - Page 234
668-0010
Manufacturer Part Number
668-0010
Description
IC MPU RABIT3000 55.5MHZ 128LQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0011.pdf
(312 pages)
Specifications of 668-0010
Rohs Status
RoHS non-compliant
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
Features
-
Other names
316-1016
- Current page: 234 of 312
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26.4 Register Descriptions
224
Bit(s)
Bit(s)
Bit(s)
Bit(s)
Bit(s)
Real-Time Clock User Enable Register
7:1
6:0
6:0
6:0
6:0
0
7
7
Parallel Port A User Enable Register
7
Parallel Port B User Enable Register
7
Slave Port User Enable Register
Enable Dual-Mode Register
Value
Value
Value
Value
Value
0
1
0
1
0
1
0
1
0
1
These bits are reserved and should be written with zeros.
Normal (System Mode only) operation.
Enable System Mode/User Mode operation.
Disable User Mode access to the RTC (I/O addresses 0x0002–0x0007).
Enable User Mode access to the RTC (I/O addresses 0x0002–0x0007).
These bits are reserved and should be written with zeros.
Disable User Mode access to the slave port (I/O addresses 0x0020–0x0027).
Enable User Mode access to the slave port (I/O addresses 0x0020–0x0027).
These bits are reserved and should be written with zeros.
Disable User Mode access to Parallel Port A (I/O addresses 0x0030–0x0037).
Enable User Mode access to Parallel Port A (I/O addresses 0x0030–0x0037).
These bits are reserved and should be written with zeros.
Disable User Mode access to Parallel Port B (I/O addresses 0x0040–0x0047).
Enable User Mode access to Parallel Port B (I/O addresses 0x0040–0x0047).
These bits are reserved and should be written with zeros.
(RTUER)
(SPUER)
(PBUER)
(PAUER)
(EDMR)
Description
Description
Description
Description
Description
Rabbit 3000 Microprocessor User’s Manual
(Address = 0x0420)
(Address = 0x0300)
(Address = 0x0320)
(Address = 0x0330)
(Address = 0x0340)
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