DSPIC33FJ64GP202-I/MM Microchip Technology, DSPIC33FJ64GP202-I/MM Datasheet - Page 33
![IC DSPIC MCU/DSP 64K 28-QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
DSPIC33FJ64GP202-I/MM
Manufacturer Part Number
DSPIC33FJ64GP202-I/MM
Description
IC DSPIC MCU/DSP 64K 28-QFN
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)
Specifications of DSPIC33FJ64GP202-I/MM
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
28-QFN
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
8K 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
8 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
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
- Current page: 33 of 412
- Download datasheet (6Mb)
3.7.1
The 17-bit x 17-bit multiplier is capable of signed or
unsigned operation and can multiplex its output using a
scaler to support either 1.31 fractional (Q31) or 32-bit
integer results. Unsigned operands are zero-extended
into the 17th bit of the multiplier input value. Signed
operands are sign-extended into the 17th bit of the
multiplier input value. The output of the 17-bit x 17-bit
multiplier/scaler is a 33-bit value that is sign-extended
to 40 bits. Integer data is inherently represented as a
signed two’s complement value, where the Most
Significant bit (MSb) is defined as a sign bit. The range
of an N-bit two’s complement integer is -2
• For a 16-bit integer, the data range is -32768
• For a 32-bit integer, the data range is -
When the multiplier is configured for fractional
multiplication, the data is represented as a two’s
complement fraction, where the MSb is defined as a
sign bit and the radix point is implied to lie just after the
sign bit (QX format). The range of an N-bit two’s
complement fraction with this implied radix point is -1.0
to (1 – 2
is -1.0 (0x8000) to 0.999969482 (0x7FFF) including 0
and has a precision of 3.01518x10
mode, the 16 x 16 multiply operation generates a 1.31
product that has a precision of 4.65661 x 10
The same multiplier is used to support the MCU
multiply instructions, which include integer 16-bit
signed, unsigned and mixed sign multiply operations.
The MUL instruction can be directed to use byte or
word-sized operands. Byte operands direct a 16-bit
result, and word operands direct a 32-bit result to the
specified registers in the W array.
3.7.2
The data accumulator consists of a 40-bit adder/
subtracter with automatic sign extension logic. It can
select one of two accumulators (A or B) as its pre-
accumulation
destination. For the ADD and LAC instructions, the data
to be accumulated or loaded can be optionally scaled
using the barrel shifter prior to accumulation.
3.7.2.1
The adder/subtracter is a 40-bit adder with an optional
zero input into one side, and either true or complement
data into the other input.
• In the case of addition, the Carry/Borrow input is
• In the case of subtraction, the Carry/Borrow input
© 2011 Microchip Technology Inc.
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
(0x8000) to 32767 (0x7FFF) including 0.
2,147,483,648 (0x8000 0000) to 2,147,483,647
(0x7FFF FFFF).
active-high and the other input is true data (not
complemented).
is active-low and the other input is complemented.
1-N
). For a 16-bit fraction, the Q15 data range
MULTIPLIER
DATA ACCUMULATORS AND
ADDER/SUBTRACTER
Adder/Subtracter, Overflow and
Saturation
source
and
post-accumulation
-5
. In Fractional
N-1
to 2
-10
.
N-1
– 1.
The adder/subtracter generates Overflow Status bits,
SA/SB and OA/OB, which are latched and reflected in
the STATUS register:
• Overflow from bit 39: this is a catastrophic
• Overflow into guard bits 32 through 39: this is a
The adder has an additional saturation block that
controls accumulator data saturation, if selected. It
uses the result of the adder, the Overflow Status bits
described
(CORCON<7:6>) and ACCSAT (CORCON<4>) mode
control bits to determine when and to what value to
saturate.
Six STATUS register bits support saturation and
overflow:
• OA: ACCA overflowed into guard bits
• OB: ACCB overflowed into guard bits
• SA: ACCA saturated (bit 31 overflow and
• SB: ACCB saturated (bit 31 overflow and
• OAB: Logical OR of OA and OB
• SAB: Logical OR of SA and SB
The OA and OB bits are modified each time data
passes through the adder/subtracter. When set, they
indicate that the most recent operation has overflowed
into the accumulator guard bits (bits 32 through 39).
The OA and OB bits can also optionally generate an
arithmetic
corresponding Overflow Trap Flag Enable bits
(OVATE, OVBTE) in the INTCON1 register are set
(refer to
allows the user application to take immediate action, for
example, to correct the system gain.
The SA and SB bits are modified each time data
passes through the adder/subtracter, but can only be
cleared by the user application. When set, they indicate
that the accumulator has overflowed its maximum
range (bit 31 for 32-bit saturation or bit 39 for 40-bit sat-
uration) and is saturated (if saturation is enabled).
When saturation is not enabled, SA and SB default to
bit 39 overflow and thus indicate that a catastrophic
overflow has occurred. If the COVTE bit in the
INTCON1 register is set, the SA and SB bits generate
an arithmetic warning trap when saturation is disabled.
overflow in which the sign of the accumulator is
destroyed.
recoverable overflow. This bit is set whenever all
the guard bits are not identical to each other.
saturation)
or
ACCA overflowed into guard bits and saturated
(bit 39 overflow and saturation)
saturation)
or
ACCB overflowed into guard bits and saturated
(bit 39 overflow and saturation)
Section 7.0 “Interrupt
warning
previously
trap
and
when
Controller”). This
the
DS70292E-page 33
set
SAT<A:B>
and
the
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