PIC24HJ32GP304-I/PT Microchip Technology, PIC24HJ32GP304-I/PT Datasheet - Page 250
![IC PIC MCU FLASH 32K 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC24HJ32GP304-I/PT
Manufacturer Part Number
PIC24HJ32GP304-I/PT
Description
IC PIC MCU FLASH 32K 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 24Hr
Datasheets
1.PIC24HJ12GP201-ISO.pdf
(84 pages)
2.PIC24HJ32GP302-ISO.pdf
(368 pages)
3.PIC24HJ32GP302-ISO.pdf
(8 pages)
4.PIC24HJ32GP302-ISO.pdf
(12 pages)
5.PIC24HJ32GP304-EML.pdf
(356 pages)
Specifications of PIC24HJ32GP304-I/PT
Program Memory Type
FLASH
Program Memory Size
32KB (11K x 24)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, PMP, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
35
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 13x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC24HJ
Core
PIC
Data Bus Width
16 bit
Data Ram Size
4 KB
Interface Type
I2C/SPI/UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
35
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM240001
Minimum Operating Temperature
- 40 C
On-chip Adc
13-ch x 10-bit or 13-ch x 12-bit
Controller Family/series
PIC24
No. Of I/o's
35
Ram Memory Size
4KB
Cpu Speed
40MIPS
No. Of Timers
7
Embedded Interface Type
I2C, SPI, UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
876-1004 - PIC24 BREAKOUT BOARDDM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24HJ32GP304-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC24HJ12GP201-ISO PDF datasheet
- PIC24HJ32GP302-ISO PDF datasheet #2
- PIC24HJ32GP302-ISO PDF datasheet #3
- PIC24HJ32GP302-ISO PDF datasheet #4
- PIC24HJ32GP304-EML PDF datasheet #5
- Current page: 250 of 356
- Download datasheet (6Mb)
FIGURE 23-2:
23.2
23.2.1
To start serial shifting, a ‘1’ must be written to the
CRCGO bit.
The module incorporates a FIFO that is 8 deep when
PLEN (PLEN<3:0>) > 7, and 16 deep, otherwise. The
data for which the CRC is to be calculated must first be
written into the FIFO. The smallest data element that
can be written into the FIFO is one byte. For example,
if PLEN = 5, then the size of the data is PLEN + 1 = 6.
The data must be written as follows:
Once data is written into the CRCWDAT MSb (as
defined
(VWORD<4:0>) increments by one. The serial shifter
starts shifting data into the CRC engine when
CRCGO = 1 and VWORD > 0. When the MSb is
shifted out, VWORD decrements by one. The serial
shifter continues shifting until the VWORD reaches 0.
Therefore, for a given value of PLEN, it will take
(PLEN + 1) * VWORD number of clock cycles to
complete the CRC calculations.
When VWORD reaches 8 (or 16), the CRCFUL bit will
be set. When VWORD reaches 0, the CRCMPT bit will
be set.
To continually feed data into the CRC engine, the
recommended mode of operation is to initially “prime”
the FIFO with a sufficient number of words so no
interrupt is generated before the next word can be
written. Once that is done, start the CRC by setting the
CRCGO bit to ‘1’. From that point onward, the VWORD
bits should be polled. If they read less than 8 or 16,
another word can be written into the FIFO.
DS70293D-page 250
SDOx
XOR
User Interface
data[5:0] = crc_input[5:0]
data[7:6] = ‘bxx
by
DATA INTERFACE
D
BIT 0
p_clk
PLEN),
Q
CRC GENERATOR RECONFIGURED FOR x
the
D
p_clk
BIT 4
value
Q
of
VWORD
Preliminary
D
BIT 5
p_clk
Q
To empty words already written into a FIFO, the
CRCGO bit must be set to ‘1’ and the CRC shifter
allowed to run until the CRCMPT bit is set.
Also, to get the correct CRC reading, it will be
necessary to wait for the CRCMPT bit to go high before
reading the CRCWDAT register.
If a word is written when the CRCFUL bit is set, the
VWORD Pointer will roll over to 0. The hardware will
then behave as if the FIFO is empty. However, the
condition to generate an interrupt will not be met;
therefore, no interrupt will be generated (See
Section 23.2.2 “Interrupt Operation”).
At least one instruction cycle must pass after a write to
CRCWDAT before a read of the VWORD bits is done.
23.2.2
When the VWORD4:VWORD0 bits make a transition
from a value of ‘1’ to ‘0’, an interrupt will be generated.
23.3
23.3.1
If Sleep mode is entered while the module is operating,
the module will be suspended in its current state until
clock execution resumes.
23.3.2
To continue full module operation in Idle mode, the
CSIDL bit must be cleared prior to entry into the mode.
If CSIDL = 1, the module will behave the same way as
it does in Sleep mode; pending interrupt events will be
passed on, even though the module clocks are not
available.
Operation in Power Save Modes
16
INTERRUPT OPERATION
SLEEP MODE
IDLE MODE
+ x
12
CRC Read Bus
D
BIT 12
p_clk
+ x
Q
5
© 2009 Microchip Technology Inc.
+ 1
CRC Write Bus
BIT 15
D
p_clk
Q
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