668-0011 Rabbit Semiconductor, 668-0011 Datasheet - Page 63
668-0011
Manufacturer Part Number
668-0011
Description
IC MPU RABIT3000A 55.5MHZ128LQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0011.pdf
(312 pages)
Specifications of 668-0011
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
316-1043
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
668-0011
Manufacturer:
Rabbit Semiconductor
Quantity:
10 000
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Chapter 5 Memory Management
Bit(s)
Bit(s)
7:4
3:0
7
6
5
4
3
2
1
0
Write-Protect Segment x Register
Write-Protect High Register
Value
Value
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Disable 64K write-protect for relative address 0xF0000–0xFFFFF.
Enable 64K write-protect for relative address 0xF0000–0xFFFFF.
Disable 64K write-protect for relative address 0xE0000–0xEFFFF.
Enable 64K write-protect for relative address 0xE0000–0xEFFFF.
Disable 64K write-protect for relative address 0xD0000–0xDFFFF.
Enable 64K write-protect for relative address 0xD0000–0xDFFFF.
Disable 64K write-protect for relative address 0xC0000–0xCFFFF.
Enable 64K write-protect for relative address 0xC0000–0xCFFFF.
Disable 64K write-protect for relative address 0xB0000–0xBFFFF.
Enable 64K write-protect for relative address 0xB0000–0xBFFFF.
Disable 64K write-protect for relative address 0xA0000–0xAFFFF.
Enable 64K write-protect for relative address 0xA0000–0xAFFFF.
Disable 64K write-protect for relative address 0x90000–0x9FFFF.
Enable 64K write-protect for relative address 0x90000–0x9FFFF.
Disable 64K write-protect for relative address 0x80000–0x8FFFF.
Enable 64K write-protect for relative address 0x80000–0x8FFFF.
These bits are reserved and should be written with all zeros.
When these four bits match bits [19:16] of the physical address, write-protect
that 64K range in 4K increments using WPSxLR and WPSxHR.
(WPSAR)
(WPSBR)
(WPHR)
Description
Description
(Address = 0x0480)
(Address = 0x0484)
(Address = 0x0461)
53
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