20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 54

• 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

5.1.2 Registers
44
MMU Instruction/Data Register
Stack Segment Register
Stack Segment LSB Register
Stack Segment MSB Register
Data Segment Register
Data Segment LSB Register
Data Segment MSB Register
Segment Size Register
Memory Bank 0 Control Register
Memory Bank 1 Control Register
Memory Bank 2 Control Register
Memory Bank 3 Control Register
MMU Expanded Code Register
Memory Timing Control Register
Memory Alternate Control Register
Advanced /CS0 Control Register
Advanced /CS1 Control Register
RAM Segment Register
Write-Protect Control Register
Write-Protect x Register
Write-Protect Segment A Register
Write-Protect Segment A Low Register
Write-Protect Segment A High Register
Write-Protect Segment B Register
Write-Protect Segment B Low Register
Write-Protect Segment B High Register
Stack Limit Control Register
Stack Low Limit Register
Stack High Limit Register
Register Name
Mnemonic
STKSEGH
DATSEGH
STKSEGL
DATSEGL
WPSAHR
WPSALR
WPSBHR
SEGSIZE
WPSBLR
DATSEG
STKHLR
STKSEG
ACS0CR
ACS1CR
STKLLR
MMIDR
RAMSR
MB0CR
MB1CR
MB2CR
MB3CR
WPSAR
WPSBR
STKCR
MACR
MECR
MTCR
WPCR
WPxR
Rabbit 4000 Microprocessor User’s Manual
I/O Address
0x460+x
0x001A
0x001B
0x001D
0x001E
0x001F
0x0010
0x0011
0x0012
0x0013
0x0014
0x0015
0x0016
0x0017
0x0018
0x0019
0x0410
0x0411
0x0448
0x0440
0x0480
0x0481
0x0482
0x0484
0x0485
0x0486
0x0444
0x0445
0x0446
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
W
W
00000000
00000000
00000000
00000000
00001000
xxxxxxxx
xxxxxxxx
xxxxxxxx
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
xxxxxxxx
xxxxxxxx
11111111
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