DSPIC30F2011-20I/SO Microchip Technology, DSPIC30F2011-20I/SO Datasheet - Page 45
DSPIC30F2011-20I/SO
Manufacturer Part Number
DSPIC30F2011-20I/SO
Description
IC DSPIC MCU/DSP 12K 18SOIC
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F2011-20ISO.pdf
(66 pages)
2.DSPIC30F2011-20ISO.pdf
(210 pages)
3.DSPIC30F2011-20ISO.pdf
(14 pages)
4.DSPIC30F2011-20ISO.pdf
(6 pages)
5.DSPIC30F2011-20ISO.pdf
(18 pages)
6.DSPIC30F2011-20ISO.pdf
(206 pages)
Specifications of DSPIC30F2011-20I/SO
Core Processor
dsPIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
12KB (4K x 24)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Core Frequency
40MHz
Embedded Interface Type
I2C, SPI, UART
No. Of I/o's
12
Flash Memory Size
12KB
Supply Voltage Range
2.5V To 5.5V
Operating Temperature Range
-40°C To +85°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILAC30F005 - MODULE SCKT DSPIC30F 18DIP/SOIC
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F201120ISO
- DSPIC30F2011-20ISO PDF datasheet
- DSPIC30F2011-20ISO PDF datasheet #2
- DSPIC30F2011-20ISO PDF datasheet #3
- DSPIC30F2011-20ISO PDF datasheet #4
- DSPIC30F2011-20ISO PDF datasheet #5
- DSPIC30F2011-20ISO PDF datasheet #6
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4.2.1
The modulo addressing scheme requires that a starting
and an ending address be specified and loaded
into the 16-bit
XMODSRT, XMODEND, YMODSRT and YMODEND
(see Table 3-3).
The length of a circular buffer is not directly specified. It
is determined by the difference between the corre-
sponding start and end addresses. The maximum pos-
sible length of the circular buffer is 32K words
(64 Kbytes).
© 2005 Microchip Technology Inc.
Note:
Byte
Address
0x1100
0x1163
START AND END ADDRESS
Y space modulo addressing EA calcula-
tions assume word sized data (LS bit of
every EA is always clear).
Start Addr = 0x1100
End Addr = 0x1163
Length = 0x0032 words
Modulo
Buffer
Address
dsPIC30F2011/2012/3012/3013
registers:
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
DO
MOV
AGAIN: INC
Preliminary
#0x1100,W0
W0,XMODSRT
#0x1163,W0
W0,MODEND
#0x8001,W0
W0,MODCON
#0x0000,W0
#0x1110,W1
AGAIN,#0x31
W0,[W1++]
W0,W0
4.2.2
The Modulo and Bit-Reversed Addressing Control reg-
ister MODCON<15:0> contains enable flags as well as
a W register field to specify the W address registers.
The XWM and YWM fields select which registers will
operate with modulo addressing. If XWM = 15, X
RAGU and X WAGU modulo addressing is disabled.
Similarly, if YWM = 15, Y AGU modulo addressing is
disabled.
The X Address Space Pointer W register (XWM), to
which modulo addressing is to be applied, is stored in
MODCON<3:0> (see Table 3-3). Modulo addressing is
enabled for X data space when XWM is set to any value
other than ‘15’ and the XMODEN bit is set at
MODCON<15>.
The Y Address Space Pointer W register (YWM), to
which modulo addressing is to be applied, is stored in
MODCON<7:4>. Modulo addressing is enabled for Y
data space when YWM is set to any value other than
‘15’ and the YMODEN bit is set at MODCON<14>.
FIGURE 4-1:
;set modulo start address
;set modulo end address
;enable W1, X AGU for modulo
;W0 holds buffer fill value
;point W1 to buffer
;fill the 50 buffer locations
;fill the next location
;increment the fill value
W ADDRESS REGISTER
SELECTION
MODULO ADDRESSING
OPERATION EXAMPLE
DS70139C-page 43
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