MA330028 Microchip Technology, MA330028 Datasheet - Page 103
MA330028
Manufacturer Part Number
MA330028
Description
Daughter Cards & OEM Boards dsPIC33EP64MC504 PIM
Manufacturer
Microchip Technology
Datasheet
1.MA240028.pdf
(510 pages)
Specifications of MA330028
Rohs
yes
Product
Daughter Cards
Core
dsPIC
Description/function
Plug-in-module with dsPIC33EP64MC504 device for use with DM330021 and DM330023 motor control development board
Interface Type
CAN, I2C, SPI
Operating Supply Voltage
3 to 3.6 V
Tool Is For Evaluation Of
dsPIC33EP64MC504
For Use With
DM330021, DM330023
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MA330028
Manufacturer:
MICROCHIP
Quantity:
12 000
- Current page: 103 of 510
- Download datasheet (5Mb)
4.4.1
The dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/
50X,
extends the available data space through a paging
scheme, which allows the available data space to be
accessed using MOV instructions in a linear fashion
for pre- and post-modified effective addresses (EA).
The upper half of base data space address is used
in conjunction with the data space page registers,
the 10-bit read page register (DSRPAG) or the 9-bit
write page register (DSWPAG), to form an extended
data space (EDS) address or Program Space
Visibility (PSV) address. The data space page
registers are located in the SFR space.
EXAMPLE 4-1:
© 2011-2012 Microchip Technology Inc.
and
Note: DS read access when DSRPAG = 0x000 will force an Address Error trap.
PAGED MEMORY SCHEME
PIC24EPXXXGP/MC20X
(DSRPAG = don't care)
EXTENDED DATA SPACE (EDS) READ ADDRESS GENERATION
EA<15> = 0
PSV address
Generate
architecture
0
DSRPAG
DSRPAG<8:0>
Select
No EDS access
Y
Preliminary
DSRPAG<9>
DSRPAG<9>
9 bits
N
= 1?
24-bit EDS EA
Construction of the EDS address is shown in
Figure
bit EA<15> = 1, DSRPAG<8:0> is concatenated onto
EA<14:0> to form the 24-bit EDS read address.
Similarly
DSWPAG<8:0> is concatenated onto EA<14:0> to
form the 24-bit EDS write address.
EA<15>
0
1
4-1. When DSRPAG<9> = 0 and base address
when
16-bit DS EA
15 bits
EA
EA
base
address
Select
Byte
Select
Byte
DS70657E-page 103
bit
EA<15> = 1,
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