DSPIC30F5011-20I/PTG Microchip Technology, DSPIC30F5011-20I/PTG Datasheet - Page 19
DSPIC30F5011-20I/PTG
Manufacturer Part Number
DSPIC30F5011-20I/PTG
Description
IC, DSC, 16BIT, 66KB, 40MHZ 5.5V TQFP-64
Manufacturer
Microchip Technology
Series
DsPIC30Fr
Datasheet
1.DSPIC30F5011-20IPTG.pdf
(222 pages)
Specifications of DSPIC30F5011-20I/PTG
Core Frequency
40MHz
Core Supply Voltage
5.5V
Embedded Interface Type
CAN, I2C, SPI, UART
No. Of I/o's
52
Flash Memory Size
66KB
Supply Voltage Range
2.5V To 5.5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.4
The DSP engine consists of a high-speed 17-bit x
17-bit multiplier, a barrel shifter and a 40-bit
adder/subtracter (with two target accumulators, round
and saturation logic).
The DSP engine also has the capability to perform
inherent
which require no additional data. These instructions are
ADD, SUB and NEG.
The dsPIC30F is a single-cycle instruction flow
architecture; therefore, concurrent operation of the
DSP engine with MCU instruction flow is not possible.
However, some MCU ALU and DSP engine resources
may be used concurrently by the same instruction
(e.g., ED, EDAC).
TABLE 2-2:
© 2008 Microchip Technology Inc.
DSP Engine
Instruction
accumulator-to-accumulator
MOVSAC
MPY.N
EDAC
MAC
MAC
MPY
MSC
CLR
ED
DSP INSTRUCTION SUMMARY
operations,
Algebraic Operation
A = 0
A = (x – y)
A = A + (x – y)
A = A + (x * y)
A = A + x
No change in A
A = x * y
A = – x * y
A = A – x * y
2
The DSP engine has various options selected through
various bits in the CPU Core Configuration register
(CORCON), as listed below:
• Fractional or integer DSP multiply (IF)
• Signed or unsigned DSP multiply (US)
• Conventional or convergent rounding (RND)
• Automatic saturation on/off for AccA (SATA)
• Automatic saturation on/off for AccB (SATB)
• Automatic saturation on/off for writes to data
• Accumulator Saturation mode selection
A block diagram of the DSP engine is shown in
Figure 2-2.
2
memory (SATDW)
(ACCSAT)
Note:
dsPIC30F5011/5013
2
For CORCON layout, see Table 3-3.
ACC WB?
DS70116H-page 19
Yes
Yes
Yes
Yes
No
No
No
No
No
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