PIC24FJ64GA104T-I/PT Microchip Technology, PIC24FJ64GA104T-I/PT Datasheet - Page 213
PIC24FJ64GA104T-I/PT
Manufacturer Part Number
PIC24FJ64GA104T-I/PT
Description
16-bit, 16 MIPS, 64KB Flash, 8KB RAM, Nanowatt XLP 44 TQFP 10x10x1mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheets
1.PIC24FJ32GA102-ISP.pdf
(308 pages)
2.PIC24FJ32GA102-ISP.pdf
(12 pages)
3.PIC24FJ32GA102-ISP.pdf
(48 pages)
Specifications of PIC24FJ64GA104T-I/PT
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
64KB (22K x 24)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24FJ64GA104T-I/PT
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
PIC24FJ64GA104T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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20.0
FIGURE 20-1:
FIGURE 20-2:
2010 Microchip Technology Inc.
Note:
Note 1: Each XOR stage of the shift engine is programmable. See text for details.
Shift Buffer
Data
32-BIT PROGRAMMABLE
CYCLIC REDUNDANCY CHECK
(CRC) GENERATOR
2: Polynomial length n is determined by ([PLEN<3:0>] + 1)
2 * F
This data sheet summarizes the features
of this group of PIC24F devices. It is not
intended to be a comprehensive reference
source. For more information, refer to the
“PIC24F
Section
Cyclic
(DS39729).
CY
Shift Clock
Redundancy
41.
Family
CRC BLOCK DIAGRAM
CRC SHIFT ENGINE DETAIL
“32-Bit
Bit 0
Reference
Read/Write Bus
Check
Programmable
CRCWDATH
CRCDATH
(4x32, 8x16 or 16x8)
X(1)
CRC Shift Engine
Manual”,
Variable FIFO
(CRC)”
Shift Buffer
(1)
CRCWDATH
0
PIC24FJ64GA104 FAMILY
1
Bit 1
CRCWDATL
CRCDATL
LENDIAN
The programmable CRC generator provides a
hardware-implemented method of quickly generating
checksums for various networking and security
applications. It offers the following features:
• User-programmable CRC polynomial equation,
• Programmable shift direction (little or big-endian)
• Independent data and polynomial lengths
• Configurable interrupt output
• Data FIFO
A simplified block diagram of the CRC generator is
shown in Figure 20-1. A simple version of the CRC shift
engine is shown in Figure 20-2.
up to 32 bits
X(2)
Shift Complete Event
FIFO Empty Event
(1)
Bit 2
CRCWDATL
CRCISEL
1
0
X(n)
(1)
Set CRCIF
DS39951C-page 213
Bit n
(2)
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