DSPIC30F5011-30I/PTG Microchip Technology, DSPIC30F5011-30I/PTG Datasheet - Page 16
![16BIT MCU-DSP 30MHZ, SMD, 30F5011](/photos/19/3/190367/42268274_sml.jpg)
DSPIC30F5011-30I/PTG
Manufacturer Part Number
DSPIC30F5011-30I/PTG
Description
16BIT MCU-DSP 30MHZ, SMD, 30F5011
Manufacturer
Microchip Technology
Series
DsPIC30Fr
Datasheet
1.DSPIC30F5011-30IPTG.pdf
(220 pages)
Specifications of DSPIC30F5011-30I/PTG
Core Frequency
30MHz
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
Operating Temperature Range
-40°C To
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 16 of 220
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dsPIC30F5011/5013
2.3
The dsPIC devices feature a 16/16-bit signed fractional
divide operation, as well as 32/16-bit and 16/16-bit
signed and unsigned integer divide operations, in the
form of single instruction iterative divides. The following
instructions and data sizes are supported:
1.
2.
3.
4.
5.
The 16/16 divides are similar to the 32/16 (same number
of iterations), but the dividend is either zero-extended or
sign-extended during the first iteration.
TABLE 2-1:
DS70116C-page 14
DIVF
DIV.sd
DIV.sw or
DIV.s
DIV.ud
DIV.uw or
DIV.u
DIVF - 16/16 signed fractional divide
DIV.sd - 32/16 signed divide
DIV.ud - 32/16 unsigned divide
DIV.sw - 16/16 signed divide
DIV.uw - 16/16 unsigned divide
Instruction
Divide Support
DIVIDE INSTRUCTIONS
Signed fractional divide: Wm/Wn
Signed divide: (Wm+1:Wm)/Wn
Signed divide: Wm/Wn
Unsigned divide: (Wm+1:Wm)/Wn
Unsigned divide: Wm/Wn
W0; Rem
W0; Rem
Preliminary
W0; Rem
W0; Rem
W0; Rem
W1
W1
The divide instructions must be executed within a
REPEAT loop. Any other form of execution (e.g., a
series of discrete divide instructions) will not function
correctly because the instruction flow depends on
RCOUNT. The divide instruction does not automatically
set up the RCOUNT value and it must, therefore, be
explicitly and correctly specified in the REPEAT instruc-
tion as shown in Table 2-1 (REPEAT will execute the tar-
get instruction {operand value+1} times). The REPEAT
loop count must be setup for 18 iterations of the DIV/
DIVF instruction. Thus, a complete divide operation
requires 19 cycles.
Function
Note:
W1
W1
W1
The divide flow is interruptible. However,
the user needs to save the context as
appropriate.
2004 Microchip Technology Inc.
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