DSPIC33FJ64GS606-E/MR Microchip Technology, DSPIC33FJ64GS606-E/MR Datasheet - Page 43
![MCU/DSP 16BIT 64KB FLASH 64QFN](/photos/12/13/121325/c04-149_mr_sml.jpg)
DSPIC33FJ64GS606-E/MR
Manufacturer Part Number
DSPIC33FJ64GS606-E/MR
Description
MCU/DSP 16BIT 64KB FLASH 64QFN
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheet
1.DSPIC33FJ32GS406-IPT.pdf
(418 pages)
Specifications of DSPIC33FJ64GS606-E/MR
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
64-VFQFN, Exposed Pad
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
CAN, I²C, IrDA, LIN, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, QEI, POR, PWM, WDT
Number Of I /o
58
Ram Size
9K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Product
DSCs
Data Bus Width
16 bit
Processor Series
DSPIC33F
Core
dsPIC
Numeric And Arithmetic Format
Fixed-Point or Floating-Point
Instruction Set Architecture
Harvard
Device Million Instructions Per Second
40 MIPs
Maximum Clock Frequency
120 MHz
Number Of Programmable I/os
58
Data Ram Size
4 KB
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 125 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
Interface Type
I2C, SPI, UART
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
On-chip Dac
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 43 of 418
- Download datasheet (3Mb)
3.6.1
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 2’s complement value, where the Most
Significant bit (MSb) is defined as a sign bit. The range
of an N-bit 2’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 2’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 2’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 will direct a 16-bit
result, and word operands will direct a 32-bit result to
the specified register(s) in the W array.
3.6.2
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.
2010 Microchip Technology Inc.
(0x8000) to 32767 (0x7FFF) including 0.
-2,147,483,648 (0x8000 0000) to 2,147,483,647
(0x7FFF FFFF).
dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610
1-N
). For a 16-bit fraction, the Q15 data range
MULTIPLIER
DATA ACCUMULATORS AND
ADDER/SUBTRACTER
source
and
post-accumulation
-5
N-1
. In Fractional
to 2
N-1
-10
– 1.
Preliminary
.
3.6.2.1
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
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 warning trap when set and the correspond-
ing Overflow Trap Flag Enable bits (OVATE, OVBTE)
in the INTCON1 register are set (refer to Section 7.0
“Interrupt Controller”). This allows the user applica-
tion to take immediate action, for example, to correct
system gain.
active-high and the other input is true data (not
complemented).
is active-low and the other input is complemented.
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)
Adder/Subtracter, Overflow and
Saturation
previously
and
the
DS70591C-page 43
SAT<A:B>
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