DSPIC33FJ128GP202-I/MM Microchip Technology, DSPIC33FJ128GP202-I/MM Datasheet - Page 77
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DSPIC33FJ128GP202-I/MM
Manufacturer Part Number
DSPIC33FJ128GP202-I/MM
Description
IC DSPIC MCU/DSP 128K 28-QFN
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheets
1.DSPIC33FJ32GP204-IPT.pdf
(14 pages)
2.DSPIC33FJ32GP302-ISO.pdf
(412 pages)
3.DSPIC33FJ64GP804-IML.pdf
(402 pages)
Specifications of DSPIC33FJ128GP202-I/MM
Program Memory Type
FLASH
Program Memory Size
128KB (128K x 8)
Package / Case
28-QFN
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
AC'97, Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
21
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Product
DSCs
Data Bus Width
16 bit
Processor Series
DSPIC33F
Core
dsPIC
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Data Ram Size
8 KB
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, DV164033
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DV164033 - KIT START EXPLORER 16 MPLAB ICD2DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- DSPIC33FJ32GP204-IPT PDF datasheet
- DSPIC33FJ32GP302-ISO PDF datasheet #2
- DSPIC33FJ64GP804-IML PDF datasheet #3
- Current page: 77 of 402
- Download datasheet (3Mb)
5.4.1
Programmers can program one row of program Flash
memory at a time. To do this, it is necessary to erase
the 8-row erase page that contains the desired row.
The general process is:
1.
2.
3.
EXAMPLE 5-1:
2009 Microchip Technology Inc.
; Set up NVMCON for block erase operation
; Init pointer to row to be ERASED
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
Read
(512 instructions) and store in data RAM.
Update the program data in RAM with the
desired new data.
Erase the block (see Example 5-1):
a)
b)
c)
d)
e)
Set the NVMOP bits (NVMCON<3:0>) to
‘0010’ to configure for block erase. Set the
ERASE (NVMCON<6>) and WREN
(NVMCON<14>) bits.
Write the starting address of the page to be
erased into the TBLPAG and W registers.
Write 0x55 to NVMKEY.
Write 0xAA to NVMKEY.
Set the WR bit (NVMCON<15>). The erase
cycle begins and the CPU stalls for the dura-
tion of the erase cycle. When the erase is
done, the WR bit is cleared automatically.
MOV
MOV
MOV
MOV
MOV
TBLWTL W0, [W0]
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
PROGRAMMING ALGORITHM FOR
FLASH PROGRAM MEMORY
eight
#0x4042, W0
W0, NVMCON
#tblpage(PROG_ADDR), W0
W0, TBLPAG
#tbloffset(PROG_ADDR), W0
#5
#0x55, W0
W0, NVMKEY
#0xAA, W1
W1, NVMKEY
NVMCON, #WR
rows
ERASING A PROGRAM MEMORY PAGE
of
program
memory
Preliminary
;
; Initialize NVMCON
;
; Initialize PM Page Boundary SFR
; Initialize in-page EA[15:0] pointer
; Set base address of erase block
; Block all interrupts with priority <7
; for next 5 instructions
; Write the 55 key
;
; Write the AA key
; Start the erase sequence
; Insert two NOPs after the erase
; command is asserted
4.
5.
6.
For protection against accidental operations, the write
initiate sequence for NVMKEY must be used to allow
any erase or program operation to proceed. After the
programming command has been executed, the user
application must wait for the programming time until
programming is complete. The two instructions
following the start of the programming sequence
should be NOPs, as shown in Example 5-3.
Write the first 64 instructions from data RAM into
the program memory buffers (see Example 5-2).
Write the program block to Flash memory:
a)
b)
c)
d)
Repeat steps 4 and 5, using the next available
64 instructions from the block in data RAM by
incrementing the value in TBLPAG, until all
512 instructions are written back to Flash memory.
Set the NVMOP bits to ‘0001’ to configure
for row programming. Clear the ERASE bit
and set the WREN bit.
Write 0x55 to NVMKEY.
Write 0xAA to NVMKEY.
Set the WR bit. The programming cycle
begins and the CPU stalls for the duration of
the write cycle. When the write to Flash mem-
ory is done, the WR bit is cleared
automatically.
DS70292D-page 77
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