DSPIC30F3012-20I/P Microchip Technology, DSPIC30F3012-20I/P Datasheet - Page 27
DSPIC30F3012-20I/P
Manufacturer Part Number
DSPIC30F3012-20I/P
Description
IC DSPIC MCU/DSP 24K 18DIP
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F2011-20ISO.pdf
(210 pages)
2.DSPIC30F2011-20ISO.pdf
(6 pages)
3.DSPIC30F2011-20IP.pdf
(26 pages)
4.DSPIC30F3012-20ISO.pdf
(14 pages)
5.DSPIC30F3012-20ISO.pdf
(20 pages)
6.DSPIC30F2011-20IP.pdf
(206 pages)
Specifications of DSPIC30F3012-20I/P
Core Processor
dsPIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
24KB (8K x 24)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-DIP (0.300", 7.62mm)
Core Frequency
40MHz
Core Supply Voltage
5.5V
Embedded Interface Type
I2C, SPI, UART
No. Of I/o's
12
Flash Memory Size
24KB
Supply Voltage Range
2.5V To 5.5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC30F005 - MODULE SCKT DSPIC30F 18DIP/SOICACICE0202 - ADAPTER MPLABICE 18P 300 MIL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F3012-20IP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC30F3012-20I/P
Manufacturer:
MICROCHIP
Quantity:
12 000
- DSPIC30F2011-20ISO PDF datasheet
- DSPIC30F2011-20ISO PDF datasheet #2
- DSPIC30F2011-20IP PDF datasheet #3
- DSPIC30F3012-20ISO PDF datasheet #4
- DSPIC30F3012-20ISO PDF datasheet #5
- DSPIC30F2011-20IP PDF datasheet #6
- Current page: 27 of 210
- Download datasheet (3Mb)
2.4.2.4
In addition to adder/subtracter saturation, writes to data
space may also be saturated but without affecting the
contents of the source accumulator. The data space
write saturation logic block accepts a 16-bit, 1.15
fractional value from the round logic block as its input,
together with overflow status from the original source
(accumulator) and the 16-bit round adder. These are
combined and used to select the appropriate 1.15
fractional value as output to write to data space
memory.
If the SATDW bit in the CORCON register is set, data
(after rounding or truncation) is tested for overflow and
adjusted accordingly. For input data greater than
0x007FFF, data written to memory is forced to the
maximum positive 1.15 value, 0x7FFF. For input data
less than 0xFF8000, data written to memory is forced
to the maximum negative 1.15 value, 0x8000. The MSb
of the source (bit 39) is used to determine the sign of
the operand being tested.
If the SATDW bit in the CORCON register is not set, the
input data is always passed through unmodified under
all conditions.
© 2010 Microchip Technology Inc.
Data Space Write Saturation
dsPIC30F2011/2012/3012/3013
2.4.3
The barrel shifter is capable of performing up to 16-bit
arithmetic or logic right shifts, or up to 16-bit left shifts
in a single cycle. The source can be either of the two
DSP accumulators, or the X bus (to support multi-bit
shifts of register or memory data).
The shifter requires a signed binary value to determine
both the magnitude (number of bits) and direction of the
shift operation. A positive value shifts the operand right.
A negative value shifts the operand left. A value of ‘0’
does not modify the operand.
The barrel shifter is 40 bits wide, thereby obtaining a
40-bit result for DSP shift operations and a 16-bit result
for MCU shift operations. Data from the X bus is
presented to the barrel shifter between bit positions 16
to 31 for right shifts, and bit positions 0 to 16 for left
shifts.
BARREL SHIFTER
DS70139G-page 27
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