PIC24FJ64GA705 Datasheet, PDF (402/412 Pages) –

PIC24FJ256GA705 FAMILY
Code Examples
Basic Clock Switching ............................................... 107
Configuring UART1 Input/Output Functions ............. 140
Double-Word Flash Programming (C Language) ....... 78
EDS Read from Program Memory in Assembly.......... 61
EDS Read in Assembly............................................... 55
EDS Write in Assembly ............................................... 56
Erasing a Program Memory Block (C Language) ....... 75
Initiating a Programming Sequence ............................ 76
IOC Status Read/Clear in Assembly ......................... 128
Port Read/Write in Assembly .................................... 128
Port Read/Write in C ................................................. 128
PWRSAV Instruction Syntax ..................................... 113
Setting the WRLOCK Bit ........................................... 253
Code Memory Programming Example
Double-Word Programming ........................................ 77
Page Erase ................................................................. 74
Row Writes.................................................................. 75
Code Protection ................................................................ 344
Comparator Voltage Reference ........................................ 315
Configuring................................................................ 315
Configurable Logic Cell (CLC) .......................................... 277
Configurable Logic Cell. See CLC.
Configuration Bits.............................................................. 329
Core Features ..................................................................... 15
CPU..................................................................................... 35
Arithmetic Logic Unit (ALU)......................................... 40
Clocking Scheme ........................................................ 98
Control Registers ........................................................ 38
Core Registers ............................................................ 36
Programmer’s Model................................................... 35
CRC
Data Shift Direction ................................................... 273
Interrupt Operation .................................................... 273
Polynomials............................................................... 272
Setup Examples for 16 and 32-Bit Polynomials ........ 272
Typical Operation ...................................................... 273
User Interface ........................................................... 272
CTMU
Measuring Capacitance ............................................ 317
Measuring Die Temperature ..................................... 320
Measuring Time/Routing Current to A/D Input Pin ....... 318
Pulse Generation and Delay ..................................... 318
Customer Change Notification Service ............................. 407
Customer Notification Service........................................... 407
Customer OTP Memory .................................................... 344
Customer Support ............................................................. 407
Cyclic Redundancy Check. See CRC.
D
Data Memory Space ........................................................... 45
Extended Data Space (EDS) ...................................... 54
Memory Map ............................................................... 45
Near Data Space ........................................................ 46
Organization, Alignment.............................................. 46
SFR Space.................................................................. 46
Implemented Regions ......................................... 46
Map, 0000h Block ............................................... 47
Map, 0100h Block ............................................... 48
Map, 0200h Block ............................................... 49
Map, 0300h Block ............................................... 50
Map, 0400h Block ............................................... 51
Map, 0500h Block ............................................... 52
Map, 0600h Block ............................................... 52
Map, 0700h Block ............................................... 53
Software Stack ............................................................ 57
DS30010118B-page 402
DC Characteristics
Comparator Specifications........................................ 367
Comparator Voltage Reference Specifications......... 367
CTMU Current Source .............................................. 367
 Current (BOR, WDT, HLVD, RTCC)...................... 363
High/Low-Voltage Detect .......................................... 366
I/O Pin Input Specifications....................................... 364
I/O Pin Output Specifications.................................... 365
Idle Current (IIDLE) .................................................... 361
Internal Voltage Regulator Specifications................. 366
Operating Current (IDD) ............................................ 360
Power-Down Current (IPD)........................................ 362
Program Memory ...................................................... 365
Temperature and Voltage Specifications.................. 359
Thermal Operating Conditions.................................. 358
Thermal Packaging................................................... 358
Development Support ....................................................... 345
Device Features
28-Pin Devices............................................................ 17
44/48-Pin Devices....................................................... 18
Direct Memory Access Controller. See DMA.
DMA
Channel Trigger Sources............................................ 70
Control Registers ........................................................ 66
Peripheral Module Disable (PMD) Registers .............. 66
Summary of Operations.............................................. 64
Types of Data Transfers ............................................. 65
Typical Setup .............................................................. 66
DMA Controller ................................................................... 16
E
Electrical Characteristics .................................................. 357
Absolute Maximum Ratings ...................................... 357
V/F Graph (Industrial) ............................................... 358
Enhanced Parallel Master Port (EPMP) ........................... 239
Enhanced Parallel Master Port. See EPMP.
EPMP
Key Features ............................................................ 239
Memory Addressable in Different Modes.................. 240
Pin Descriptions........................................................ 241
PMDIN1 and PMDIN2 Registers .............................. 240
PMDOUT1 and PMDOUT2 Registers ...................... 240
Equations
16-Bit, 32-Bit CRC Polynomials................................ 272
A/D Conversion Clock Period ................................... 305
Baud Rate Reload Calculation.................................. 223
Calculating the PWM Period..................................... 176
Calculation for Maximum PWM Resolution .............. 177
Relationship Between Device and
SPIx Clock Speed............................................. 220
UARTx Baud Rate with BRGH = 0 ........................... 231
UARTx Baud Rate with BRGH = 1 ........................... 231
Errata .................................................................................. 12
Extended Data Space (EDS) ............................................ 239
External Oscillator Pins....................................................... 33
F
Flash Program Memory ...................................................... 71
and Table Instructions ................................................ 71
Control Registers ........................................................ 72
Double-Word Programming ........................................ 77
Enhanced ICSP Operation ......................................... 72
JTAG Operation.......................................................... 72
Operations .................................................................. 72
Programming Algorithm .............................................. 74
RTSP Operation ......................................................... 72
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