DSPIC33FJ256GP710-I/PF Microchip Technology Inc., DSPIC33FJ256GP710-I/PF Datasheet - Page 171
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DSPIC33FJ256GP710-I/PF
Manufacturer Part Number
DSPIC33FJ256GP710-I/PF
Description
16 BIT MCU/DSP 100LD 40MIPS 256KB FLASH
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC33FJ256GP710-IPF.pdf
(371 pages)
Specifications of DSPIC33FJ256GP710-I/PF
A/d Inputs
32-Channels, 12-Bit
Comparators
8
Cpu Speed
40 MIPS
Eeprom Memory
0 Bytes
Input Output
85
Interface
CAN/I2C/SPI/UART
Ios
85
Memory Type
Flash
Number Of Bits
16
Package Type
100-pin TQFP
Programmable Memory
256K Bytes
Ram Size
30K Bytes
Timers
9-16-bit, 4-32-bit
Voltage, Range
3-3.6
Lead Free Status / Rohs Status
RoHS Compliant part
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13.0
The input capture module is useful in applications
requiring frequency (period) and pulse measurement.
The dsPIC33F devices support up to eight input
capture channels.
The input capture module captures the 16-bit value of
the selected Time Base register when an event occurs
at the ICx pin. The events that cause a capture event
are listed below in three categories:
1.
2.
3.
FIGURE 13-1:
© 2006 Microchip Technology Inc.
Note:
-Capture timer value on every 4th rising edge
-Capture timer value on every 16th rising
Note: An ‘x’ in a signal, register or bit name denotes the number of the capture channel.
Simple Capture Event modes
-Capture timer value on every falling edge of
-Capture timer value on every rising edge of
Capture timer value on every edge (rising and
falling)
Prescaler Capture Event modes
ICx Pin
input at ICx pin
input at ICx pin
of input at ICx pin
edge of input at ICx pin
INPUT CAPTURE
This data sheet summarizes the features
of this group of dsPIC33F devices. It is not
intended to be a comprehensive reference
source. To complement the information in
this data sheet, refer to the “dsPIC30F
Family Reference Manual” (DS70046).
Prescaler
(1, 4, 16)
Counter
3
INPUT CAPTURE BLOCK DIAGRAM
System Bus
ICxCON
ICM<2:0> (ICxCON<2:0>)
ICOV, ICBNE (ICxCON<4:3>)
Mode Select
Edge Detection Logic
Clock Synchronizer
ICxI<1:0>
and
Preliminary
(in IFSn Register)
Set Flag ICxIF
Interrupt
Logic
Each input capture channel can select between one of
two 16-bit timers (Timer2 or Timer3) for the time base.
The selected timer can use either an internal or
external clock.
Other operational features include:
• Device wake-up from capture pin during CPU
• Interrupt on input capture event
• 4-word FIFO buffer for capture values
• Input capture can also be used to provide
Sleep and Idle modes
- Interrupt optionally generated after 1, 2, 3 or
additional sources of external interrupts
Note:
4 buffer locations are filled
Logic
FIFO
R/W
Only IC1 and IC2 can trigger a DMA data
transfer. If DMA data transfers are
required, the FIFO buffer size must be set
to 1 (ICI<1:0> = 00).
From 16-bit Timers
TMRy TMRz
dsPIC33F
1
ICxBUF
16
0
DS70165D-page 169
16
ICTMR
(ICxCON<7>)
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