DSPIC33FJ128MC710-E/PT Microchip Technology, DSPIC33FJ128MC710-E/PT Datasheet - Page 68
![IC DSPIC MCU/DSP 128K 100TQFP](/photos/12/13/121330/c04-100-tqfp_sml.jpg)
DSPIC33FJ128MC710-E/PT
Manufacturer Part Number
DSPIC33FJ128MC710-E/PT
Description
IC DSPIC MCU/DSP 128K 100TQFP
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheets
1.DSPIC33FJ12GP201-ISO.pdf
(90 pages)
2.DSPIC33FJ64MC506-IPT.pdf
(340 pages)
3.DSPIC33FJ64MC506-IPT.pdf
(30 pages)
Specifications of DSPIC33FJ128MC710-E/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
CAN, I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
85
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 24x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
100-TFQFP
For Use With
AC164333 - MODULE SKT FOR PM3 100QFPMA330013 - MODULE PLUG-IN DSPIC33 100TQFPDV164033 - KIT START EXPLORER 16 MPLAB ICD2DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- DSPIC33FJ12GP201-ISO PDF datasheet
- DSPIC33FJ64MC506-IPT PDF datasheet #2
- DSPIC33FJ64MC506-IPT PDF datasheet #3
- Current page: 68 of 340
- Download datasheet (5Mb)
dsPIC33FJXXXMCX06/X08/X10
4.4.3
Modulo Addressing can be applied to the Effective
Address (EA) calculation associated with any W
register. It is important to realize that the address
boundaries check for addresses less than or greater
than the upper (for incrementing buffers) and lower (for
decrementing buffers) boundary addresses (not just
equal to). Address changes may, therefore, jump
beyond boundaries and still be adjusted correctly.
4.5
Bit-Reversed Addressing mode is intended to simplify
data reordering for radix-2 FFT algorithms. It is
supported by the X AGU for data writes only.
The modifier, which may 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 when the
following conditions exist:
1.
2.
3.
DS70287C-page 66
Note:
The BWM bits (W register selection) in the
MODCON register are any value other than ‘15’
(the
Bit-Reversed Addressing).
The BREN bit is set in the XBREV register.
The addressing mode used is Register Indirect
with Pre-Increment or Post-Increment.
Bit-Reversed Addressing
stack
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 (e.g.,
[W7+W2]) is used, Modulo Address cor-
rection is performed but the contents of
the register remain unchanged.
BIT-REVERSED ADDRESSING
IMPLEMENTATION
cannot
be
accessed
using
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 only exe-
cuted 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; normal addresses are gen-
erated 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 Register 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, then 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. In the event that the user attempts
to do so, Bit-Reversed Addressing will
assume priority for the X WAGU, and X
WAGU Modulo Addressing will be dis-
abled. However, Modulo Addressing will
continue to function in the X RAGU.
© 2009 Microchip Technology Inc.
should
not
be
enabled
N
bytes,
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