DSPIC30F3010T-20I/SO Microchip Technology, DSPIC30F3010T-20I/SO Datasheet - Page 39
DSPIC30F3010T-20I/SO
Manufacturer Part Number
DSPIC30F3010T-20I/SO
Description
IC DSPIC MCU/DSP 24K 28SOIC
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F2011-20ISO.pdf
(66 pages)
2.DSPIC30F2011-20IP.pdf
(26 pages)
3.DSPIC30F3010-30ISO.pdf
(18 pages)
4.DSPIC30F3010-30ISO.pdf
(6 pages)
5.DSPIC30F3010-30ISO.pdf
(16 pages)
6.DSPIC30F5011T-20IPT.pdf
(34 pages)
7.DSPIC30F6010T-20IPF.pdf
(6 pages)
8.DSPIC30F3010T-20ISO.pdf
(218 pages)
Specifications of DSPIC30F3010T-20I/SO
Core Processor
dsPIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
20
Program Memory Size
24KB (8K x 24)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- DSPIC30F2011-20ISO PDF datasheet
- DSPIC30F2011-20IP PDF datasheet #2
- DSPIC30F3010-30ISO PDF datasheet #3
- DSPIC30F3010-30ISO PDF datasheet #4
- DSPIC30F3010-30ISO PDF datasheet #5
- DSPIC30F5011T-20IPT PDF datasheet #6
- DSPIC30F6010T-20IPF PDF datasheet #7
- DSPIC30F3010T-20ISO PDF datasheet #8
- Current page: 39 of 218
- Download datasheet (4Mb)
4.2.1
The Modulo addressing scheme requires that a
starting and an end address be specified and loaded
into the 16-bit Modulo Buffer Address registers:
XMODSRT, XMODEND, YMODSRT and YMODEND
(see Table 3-3).
The length of a circular buffer is not directly specified. It
is
corresponding start and end addresses. The maximum
possible length of the circular buffer is 32K words
(64 Kbytes).
FIGURE 4-1:
© 2005 Microchip Technology Inc.
Note:
Byte
Address
0x1100
0x1163
determined
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
by
the
MODULO ADDRESSING OPERATION EXAMPLE
difference
between
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
DO
MOV
AGAIN: INC
Preliminary
the
#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
register 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 are
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>.
dsPIC30F3010/3011
;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
DS70141B-page 37
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