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dsPIC33EV256GM004 PDF даташит

Спецификация dsPIC33EV256GM004 изготовлена ​​​​«Microchip» и имеет функцию, называемую «Flash Programming Specification».

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Номер произв dsPIC33EV256GM004
Описание Flash Programming Specification
Производители Microchip
логотип Microchip логотип 

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dsPIC33EV256GM004 Даташит, Описание, Даташиты
dsPIC33EVXXXGM00X/10X
dsPIC33EVXXXGM00X/10X
Flash Programming Specification
1.0 DEVICE OVERVIEW
This document defines the programming specification
for the dsPIC33EVXXXGM00X/10X 16-bit Digital
Signal Controller (DSC) families. This programming
specification is required only for those developing
programming support for the following devices:
• dsPIC33EV64GM002
• dsPIC33EV64GM004
• dsPIC33EV64GM006
• dsPIC33EV64GM102
• dsPIC33EV64GM104
• dsPIC33EV64GM106
• dsPIC33EV256GM002
• dsPIC33EV256GM004
• dsPIC33EV256GM006
• dsPIC33EV256GM102
• dsPIC33EV256GM104
• dsPIC33EV256GM106
• dsPIC33EV128GM002
• dsPIC33EV128GM004
• dsPIC33EV128GM006
• dsPIC33EV128GM102
• dsPIC33EV128GM104
• dsPIC33EV128GM106
Customers only using these devices for application
development should use development tools that
already provide support for device programming.
Topics covered include:
Section 1.0 “Device Overview”
Section 2.0 “Programming Overview”
Section 3.0 “Device Programming – ICSP”
Section 4.0 “Device Programming – Enhanced
ICSP”
Section 5.0 “Programming the Programming
Executive to Memory”
Section 6.0 “The Programming Executive”
Section 7.0 “Device ID”
Section 8.0 “Checksum Computation”
Section 9.0 “AC/DC Characteristics and
Timing Requirements”
2.0 PROGRAMMING OVERVIEW
There are two methods of programming that are
discussed in this programming specification:
• In-Circuit Serial Programming™ (ICSP™)
• Enhanced In-Circuit Serial Programming
The ICSP programming method is the most direct
method to program the device; however, it is also the
slower of the two methods. It provides native, low-level
programming capability to erase, program and verify
the device.
The Enhanced ICSP protocol uses a faster method that
takes advantage of the Programming Executive (PE),
as illustrated in Figure 2-1. The PE provides all the
necessary functionality to erase, program and verify
the chip through a small command set. The com-
mand set allows the programmer to program a
dsPIC33EVXXXGM00X/10X device without dealing
with the low-level programming protocols.
FIGURE 2-1:
PROGRAMMING SYSTEM
OVERVIEW FOR
ENHANCED ICSP™
dsPIC33EVXXXGM00X/10X
Programmer
Programming
Executive
On-Chip Memory
This programming specification is divided into two major
sections that describe the programming methods inde-
pendently. Section 3.0 “Device Programming – ICSP”
describes the ICSP method. Section 4.0 “Device
Programming – Enhanced ICSP” describes the
Enhanced ICSP method.
2013-2014 Microchip Technology Inc.
DS70005137C-page 1









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dsPIC33EV256GM004 Даташит, Описание, Даташиты
dsPIC33EVXXXGM00X/10X
2.1 Required Connections
These devices require specific connections for pro-
gramming to take place. These connections include
power, VCAP, MCLR and one programming pin pair
(PGEDx/PGECx). Table 2-1 describes these connec-
tions (refer to the specific device data sheet for pin
descriptions and power connection requirements).
2.2 Power Requirements
All dsPIC33EVXXXGM00X/10X devices, power their
core digital logic at a nominal 1.8V. All devices in the
dsPIC33EVXXXGM00X/10X families incorporate an
on-chip regulator that allows the device to run its core
logic from VDD.
The regulator provides power to the core from the VDD
pins. A low-ESR capacitor (such as ceramic or tantalum)
must be connected to the VCAP pin (see Figure 2-2 and
Table 2-1). This maintains the stability of the regulator.
The specifications for core voltage and capacitance are
listed in Section 9.0 “AC/DC Characteristics and
Timing Requirements”.
FIGURE 2-2:
CONNECTIONS FOR THE
ON-CHIP REGULATOR
5.0V
CEFC
(10 F typ)
dsPIC33EVXXXGM0XX/10X
VDD
AVDD
VCAP
VSS
AVSS
TABLE 2-1: PINS USED DURING PROGRAMMING
Pin Name
Pin Type
Pin Description
MCLR
VDD and AVDD(1)
VSS and AVSS(1)
I Programming Enable
P Power Supply(1)
P Ground(1)
VCAP
P CPU Logic Filter Capacitor Connection
PGECx
I Programming Pin Pair: Serial Clock
PGEDx
I/O Programming Pin Pair: Serial Data
Legend: I = Input O = Output
P = Power
Note 1: All power supply and ground pins must be connected, including AVDD and AVSS.
DS70005137C-page 2
2013-2014 Microchip Technology Inc.









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dsPIC33EV256GM004 Даташит, Описание, Даташиты
dsPIC33EVXXXGM00X/10X
2.3 Pin Diagrams
Figure 2-3 through Figure 2-5 provide the pin diagrams
for the dsPIC33EVXXXGM00X/10X families. The pins
that are required for programming are listed in
Table 2-1 and are indicated in bold text in the figures.
Refer to the appropriate device data sheet for complete
pin descriptions.
2.3.1 PGECx AND PGEDx PIN PAIRS
All devices in the dsPIC33EVXXXGM00X/10X families
have three separate pairs of programming pins, labeled
as PGEC1/PGED1, PGEC2/PGED2 and PGEC3/
PGED3. Any one of these pin pairs may be used for
device programming by either ICSP or Enhanced ICSP.
Unlike voltage supply and ground pins, it is not neces-
sary to connect all three pin pairs to program the
device. However, the programming method must use
both pins of the same pair.
FIGURE 2-3:
PIN DIAGRAMS
28-Pin SPDIP/SOIC/SSOP
MCLR
RA0
RA1
PGED3/OA2IN-/AN2/C2IN1-/SS1/RPI32/CTED2/RB0
PGEC3/OA1OUT/AN3/C1IN4-/C4IN2-/RPI33/CTED1/RB1
PGEC1/OA1IN+/AN4/C1IN3-/C1IN1+/C2IN3-/RPI34/RB2
PGED1/OA1IN-/AN5/C1IN1-/CTMUC/RP35/RB3
VSS
RA2
RA3
RB4
RA4
VDD
PGED2/SDA1/RP37/RB5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 AVDD
27 AVSS
26 RB15
25 RB14
24 RB13
23 RB12
22 RB11
21 RB10
20 VCAP
19 VSS
18 RB9
17 RB8
16 RB7
15 PGEC2/SCL1/RP38/RB6
28-Pin QFN-S
28 27 26 25 24 23 22
PGED3/OA2IN-/AN2/C2IN1-/SS1/RPI32/CTED2/RB0
PGEC3/OA1OUT/AN3/C1IN4-/C4IN2-/RPI33/CTED1/RB1
PGEC1/OA1IN+/AN4/C1IN3-/C1IN1+/C2IN3-/RPI34/RB2
PGED1/OA1IN-/AN5/C1IN1-/CTMUC/RP35/RB3
VSS
RA2
RA3
1
2
3
4
5
6
7
dsPIC33EV64GMX04
dsPIC33EV128GMX04
dsPIC33EV256GM002
21
20
19
18
17
16
15
RB13
RB12
RB11
RB10
VCAP
VSS
RB9
8 9 10 11 12 13 14
2013-2014 Microchip Technology Inc.
DS70005137C-page 3










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