PIC24FJ32GA004T-I/PT Microchip Technology, PIC24FJ32GA004T-I/PT Datasheet - Page 50
![32KB, Flash, 8192bytes-RAM, 16MIPS, 35I/O, 16-bit Family,nanoWatt 44 TQFP 10x10x](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC24FJ32GA004T-I/PT
Manufacturer Part Number
PIC24FJ32GA004T-I/PT
Description
32KB, Flash, 8192bytes-RAM, 16MIPS, 35I/O, 16-bit Family,nanoWatt 44 TQFP 10x10x
Manufacturer
Microchip Technology
Series
PIC® 24Fr
Datasheets
1.PIC24FJ16GA002-ISS.pdf
(52 pages)
2.PIC24FJ16GA002-ISS.pdf
(268 pages)
3.PIC24FJ16GA002-ISS.pdf
(22 pages)
Specifications of PIC24FJ32GA004T-I/PT
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, PMP, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
32KB (11K 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
For Use With
DM240011 - KIT STARTER MPLAB FOR PIC24F MCUAC162088 - HEADER MPLAB ICD2 24FJ64GA004 28AC164335 - MODULE SKT FOR 10X10 PM3 44TQFPDV164033 - KIT START EXPLORER 16 MPLAB ICD2
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC24FJ32GA004T-I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24FJ32GA004T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC24FJ32GA004T-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC24FJ16GA002-ISS PDF datasheet
- PIC24FJ16GA002-ISS PDF datasheet #2
- PIC24FJ16GA002-ISS PDF datasheet #3
- Current page: 50 of 268
- Download datasheet (2Mb)
PIC24FJ64GA004 FAMILY
5.2
The PIC24F Flash program memory array is organized
into rows of 64 instructions or 192 bytes. RTSP allows
the user to erase blocks of eight rows (512 instructions)
at a time and to program one row at a time. It is also
possible to program single words.
The 8-row erase blocks and single row write blocks are
edge-aligned, from the beginning of program memory, on
boundaries of 1536 bytes and 192 bytes, respectively.
When data is written to program memory using TBLWT
instructions, the data is not written directly to memory.
Instead, data written using table writes is stored in
holding latches until the programming sequence is
executed.
Any number of TBLWT instructions can be executed
and a write will be successfully performed. However,
64 TBLWT instructions are required to write the full row
of memory.
To ensure that no data is corrupted during a write, any
unused addresses should be programmed with
FFFFFFh. This is because the holding latches reset to
an unknown state, so if the addresses are left in the
Reset state, they may overwrite the locations on rows
which were not rewritten.
The basic sequence for RTSP programming is to set up
a Table Pointer, then do a series of TBLWT instructions
to load the buffers. Programming is performed by
setting the control bits in the NVMCON register.
Data can be loaded in any order and the holding regis-
ters can be written to multiple times before performing
a write operation. Subsequent writes, however, will
wipe out any previous writes.
All of the table write operations are single-word writes
(2 instruction cycles), because only the buffers are writ-
ten. A programming cycle is required for programming
each row.
DS39881D-page 50
Note:
RTSP Operation
Writing to a location multiple times without
erasing it is not recommended.
5.3
Enhanced In-Circuit Serial Programming uses an
on-board bootloader, known as the program executive,
to manage the programming process. Using an SPI
data frame format, the program executive can erase,
program and verify program memory. For more
information on Enhanced ICSP, see the device
programming specification.
5.4
There are two SFRs used to read and write the
program Flash memory: NVMCON and NVMKEY.
The NVMCON register (Register 5-1) controls which
blocks are to be erased, which memory type is to be
programmed and when the programming cycle starts.
NVMKEY is a write-only register that is used for write
protection. To start a programming or erase sequence,
the user must consecutively write 55h and AAh to the
NVMKEY register. Refer to Section 5.5 “Programming
Operations” for further details.
5.5
A complete programming sequence is necessary for
programming or erasing the internal Flash in RTSP
mode. During a programming or erase operation, the
processor stalls (waits) until the operation is finished.
Setting the WR bit (NVMCON<15>) starts the opera-
tion and the WR bit is automatically cleared when the
operation is finished.
Configuration Word values are stored in the last two
locations of program memory. Performing a page erase
operation on the last page of program memory clears
these values and enables code protection. As a result,
avoid performing page erase operations on the last
page of program memory.
Enhanced In-Circuit Serial
Programming
Control Registers
Programming Operations
2010 Microchip Technology Inc.
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