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PIC32MX1XX Datasheet, PDF (75/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog | |||
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PIC32MX1XX/2XX
REGISTER 4-3: BMXDUDBA: DATA RAM USER DATA BASE ADDRESS REGISTER(1,2)
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Range 31/23/15/7 30/22/14/6 29/21/13/5 28/20/12/4 27/19/11/3 26/18/10/2 25/17/9/1 24/16/8/0
U-0
U-0
U-0
U-0
U-0
U-0
31:24
â
â
â
â
â
â
U-0
U-0
â
â
U-0
U-0
U-0
U-0
U-0
U-0
23:16
â
â
â
â
â
â
U-0
U-0
â
â
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R-0
R-0
15:8
BMXDUDBA<15:8>
R-0
R-0
R-0
R-0
R-0
R-0
7:0
BMXDUDBA<7:0>
R-0
R-0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 31-16 Unimplemented: Read as â0â
bit 15-11 BMXDUDBA<15:10>: DRM User Data Base Address bits
When non-zero, the value selects the relative base address for User mode data space in RAM, the value
must be greater than BMXDKPBA.
bit 10-0 BMXDUDBA<9:0>: Read-Only bits
Value is always â0â, which forces 1 KB increments
Note 1: At Reset, the value in this register is forced to zero, which causes all of the RAM to be allocated to Kernal
mode data usage.
2: The value in this register must be less than or equal to BMXDRMSZ.
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 75
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