DSPIC33FJ32GP302-I/SO Microchip Technology, DSPIC33FJ32GP302-I/SO Datasheet - Page 50
![IC DSPIC MCU/DSP 32K 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
DSPIC33FJ32GP302-I/SO
Manufacturer Part Number
DSPIC33FJ32GP302-I/SO
Description
IC DSPIC MCU/DSP 32K 28SOIC
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheets
1.DSPIC33FJ32GP204-IPT.pdf
(14 pages)
2.DSPIC33FJ32GP302-ISO.pdf
(412 pages)
3.DSPIC33FJ64GP804-IML.pdf
(402 pages)
4.DSPIC33FJ32GP204-IPT.pdf
(270 pages)
Specifications of DSPIC33FJ32GP302-I/SO
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
28-SOIC (7.5mm Width)
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
AC'97, Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
21
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Product
DSCs
Data Bus Width
16 bit
Processor Series
DSPIC33F
Core
dsPIC
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Data Ram Size
4 KB
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM240001, DV164033
Minimum Operating Temperature
- 40 C
Package
28SOIC W
Device Core
dsPIC
Family Name
dsPIC33
Maximum Speed
40 MHz
Operating Supply Voltage
3.3 V
Interface Type
I2C/SPI/UART
On-chip Adc
10-chx10-bit|10-chx12-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DV164033 - KIT START EXPLORER 16 MPLAB ICD2DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- DSPIC33FJ32GP204-IPT PDF datasheet
- DSPIC33FJ32GP302-ISO PDF datasheet #2
- DSPIC33FJ64GP804-IML PDF datasheet #3
- DSPIC33FJ32GP204-IPT PDF datasheet #4
- Current page: 50 of 270
- Download datasheet (2Mb)
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
4.4.3
Modulo Addressing can be applied to the Effective
Address (EA) calculation associated with any W
register.
Address boundaries check for addresses equal to:
• The upper boundary addresses for incrementing
• The lower boundary addresses for decrementing
It is important to realize that the address boundaries
also check for addresses less than or greater than
these addresses. Address changes can, therefore,
jump beyond boundaries and still be adjusted correctly.
4.5
Bit-Reversed Addressing mode is intended to simplify
data re-ordering for radix-2 FFT algorithms. It is
supported by the X AGU for data writes only.
The modifier, which can be a constant value or register
contents, is regarded as having its bit order reversed. The
address source and destination are kept in normal order.
Thus, the only operand requiring reversal is the modifier.
4.5.1
Bit-Reversed Addressing mode is enabled in any of
these situations:
• BWM bits (W register selection) in the MODCON
• The BREN bit is set in the XBREV register.
• The addressing mode used is Register Indirect
DS70290F-page 50
buffers
buffers
Note:
register are any value other than ‘15’ (the stack
cannot be accessed using Bit-Reversed
Addressing).
with Pre-Increment or Post-Increment.
Bit-Reversed Addressing
MODULO ADDRESSING
APPLICABILITY
The modulo corrected effective address is
written back to the register only when
Pre-Modify or Post-Modify Addressing
mode is used to compute the effective
address. When an address offset (such as
[W7+W2]) is used, Modulo Address
correction is performed but the contents of
the register remain unchanged.
BIT-REVERSED ADDRESSING
IMPLEMENTATION
Preliminary
If the length of a bit-reversed buffer is M = 2
the last ‘N’ bits of the data buffer start address must
be zeros.
XB<14:0> is the Bit-Reversed Address modifier, or
‘pivot point’, which is typically a constant. In the case of
an FFT computation, its value is equal to half of the FFT
data buffer size.
When enabled, Bit-Reversed Addressing is executed
only for Register Indirect with Pre-Increment or
Post-Increment Addressing and word sized data writes.
It will not function for any other addressing mode or for
byte sized data, and normal addresses are generated
instead. When Bit-Reversed Addressing is active, the
W Address Pointer is always added to the address
modifier (XB), and the offset associated with the Regis-
ter Indirect Addressing mode is ignored. In addition, as
word sized data is a requirement, the LSb of the EA is
ignored (and always clear).
If Bit-Reversed Addressing has already been enabled
by setting the BREN (XBREV<15>) bit, a write to the
XBREV register should not be immediately followed by
an indirect read operation using the W register that has
been designated as the bit-reversed pointer.
Note:
Note:
All bit-reversed EA calculations assume
word sized data (LSB of every EA is
always clear). The XB value is scaled
accordingly to generate compatible (byte)
addresses.
Modulo Addressing and Bit-Reversed
Addressing
together. If an application attempts to do so,
Bit-Reversed Addressing will assume
priority when active for the X WAGU and X
WAGU
disabled. However, Modulo Addressing will
continue to function in the X RAGU.
Modulo
2009 Microchip Technology Inc.
should
Addressing
not
be
will
enabled
N
bytes,
be
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