DSPIC33FJ128MC202-E/SP Microchip Technology, DSPIC33FJ128MC202-E/SP Datasheet - Page 78
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DSPIC33FJ128MC202-E/SP
Manufacturer Part Number
DSPIC33FJ128MC202-E/SP
Description
16-bit DSC, 128KB Flash,Motor,DMA,40 MIPS,nanoWatt 28 SPDIP .300in TUBE
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Specifications of DSPIC33FJ128MC202-E/SP
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 6x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
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
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dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
5.2
The dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/
X04 and dsPIC33FJ128MCX02/X04 Flash program
memory array is organized into rows of 64 instructions
or 192 bytes. RTSP allows the user application to erase
a page of memory, which consists of eight rows (512
instructions) at a time, and to program one row or one
word at a time.
programming times. The 8-row erase pages and single
row write rows are edge-aligned from the beginning of
program memory, on boundaries of 1536 bytes and
192 bytes, respectively.
The program memory implements holding buffers that
can contain 64 instructions of programming data. Prior
to the actual programming operation, the write data
must be loaded into the buffers sequentially. The
instruction words loaded must always be from a group
of 64 boundary.
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. A total
of 64 TBLWTL and TBLWTH instructions are required
to load the instructions.
All of the table write operations are single-word writes
(two instruction cycles) because only the buffers are
written.
programming each row.
5.3
A complete programming sequence is necessary for
programming or erasing the internal Flash in RTSP
mode.
programming operation is finished.
The programming time depends on the FRC accuracy
(see
Tuning register (see
formula to calculate the minimum and maximum values
for the Row Write Time, Page Erase Time, and Word
Write Cycle Time parameters (see
EQUATION 5-1:
DS70291E-page 78
------------------------------------------------------------------------------------------------------------------------- -
7.37 MHz
Table
The
RTSP Operation
Programming Operations
A
31-19) and the value of the FRC Oscillator
programming
×
processor
(
FRC Accuracy
Table 31-12
Register
PROGRAMMING TIME
T
stalls
shows typical erase and
cycle
)%
9-4). Use the following
×
Table
(
(waits)
FRC Tuning
is
31-12).
required
until
)%
the
for
For example, if the device is operating at +125°C, the
FRC accuracy will be ±5%. If the TUN<5:0> bits (see
Register
write time is equal to
EQUATION 5-2:
The maximum row write time is equal to
EQUATION 5-3:
Setting the WR bit (NVMCON<15>) starts the
operation, and the WR bit is automatically cleared
when the operation is finished.
5.4
Two SFRs are used to read and write the program
Flash memory:
• NVMCON: The NVMCON register
• NVMKEY: NVMKEY
T
T
RW
RW
controls which blocks are to be erased, which
memory type is to be programmed and the start of
the programming cycle.
register that is used for write protection. To start a
programming or erase sequence, the user
application must consecutively write 0x55 and
0xAA to the NVMKEY register. Refer to
Section 5.3 “Programming Operations”
further details.
=
=
--------------------------------------------------------------------------------------------- - 1.586ms
7.37 MHz
---------------------------------------------------------------------------------------------- 1.435ms
7.37 MHz
9-4) are set to ‘b111111, the minimum row
Control Registers
×
×
(
(
11064 Cycles
11064 Cycles
1 0.05
1
Equation
–
+
MINIMUM ROW WRITE
TIME
MAXIMUM ROW WRITE
TIME
(Register
0.05
© 2011 Microchip Technology Inc.
)
)
×
×
(
5-2.
(
1 0.00375
1 0.00375
5-2) is a write-only
–
–
(Register
Equation
)
)
=
=
for
5-1)
5-3.
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