PIC24FJ64GA108-E/PT Microchip Technology, PIC24FJ64GA108-E/PT Datasheet - Page 63
![16-bit, 16 MIPS, 64KB Flash, 16Kb RAM, 84 I/O, NanoWatt 80 TQFP 12x12x1mm TRAY](/photos/16/13/161322/tqfp64_sml.jpg)
PIC24FJ64GA108-E/PT
Manufacturer Part Number
PIC24FJ64GA108-E/PT
Description
16-bit, 16 MIPS, 64KB Flash, 16Kb RAM, 84 I/O, NanoWatt 80 TQFP 12x12x1mm TRAY
Manufacturer
Microchip Technology
Series
PIC® 24Fr
Datasheet
1.PIC24FJ128GA106-IPT.pdf
(330 pages)
Specifications of PIC24FJ64GA108-E/PT
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
64KB (22K x 24)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
*
Processor Series
PIC24FJ256GA110
Core
PIC
Data Bus Width
16 bit
Data Ram Size
16 KB
Interface Type
UART, I2C, SPI
Maximum Clock Frequency
8 MHz
Number Of Timers
5
Operating Supply Voltage
3.6 V
Maximum Operating Temperature
- 40 C to + 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24FJ64GA108-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 63 of 330
- Download datasheet (3Mb)
5.6.2
If a Flash location has been erased, it can be pro-
grammed using table write instructions to write an
instruction word (24-bit) into the write latch. The
TBLPAG register is loaded with the 8 Most Significant
Bytes of the Flash address. The TBLWTL and TBLWTH
instructions write the desired data into the write latches
EXAMPLE 5-7:
EXAMPLE 5-8:
2010 Microchip Technology Inc.
; Setup a pointer to data Program Memory
; Setup NVMCON for programming one word to data Program Memory
// C example using MPLAB C30
//Set up NVMCON for word programming
//Set up pointer to the first memory location to be written
//Perform TBLWT instructions to write latches
MOV
MOV
MOV
MOV
MOV
TBLWTL W2, [W0]
TBLWTH W3, [W0++]
MOV
MOV
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
unsigned int offset;
unsigned long progAddr = 0xXXXXXX;
unsigned int progDataL = 0xXXXX;
unsigned char progDataH = 0xXX;
NVMCON = 0x4003;
TBLPAG = progAddr>>16;
offset = progAddr & 0xFFFF;
__builtin_tblwtl(offset, progDataL);
__builtin_tblwth(offset, progDataH);
asm(“DISI #5”);
__builtin_write_NVM();
PROGRAMMING A SINGLE WORD
OF FLASH PROGRAM MEMORY
#tblpage(PROG_ADDR), W0
W0, TBLPAG
#tbloffset(PROG_ADDR), W0
#LOW_WORD, W2
#HIGH_BYTE, W3
#0x4003, W0
W0, NVMCON
#5
#0x55, W0
W0, NVMKEY
#0xAA, W0
W0, NVMKEY
NVMCON, #WR
PROGRAMMING A SINGLE WORD OF FLASH PROGRAM MEMORY
(ASSEMBLY LANGUAGE CODE)
PROGRAMMING A SINGLE WORD OF FLASH PROGRAM MEMORY
(C LANGUAGE CODE)
PIC24FJ256GA110 FAMILY
;
;Initialize PM Page Boundary SFR
;Initialize a register with program memory address
;
;
; Write PM low word into program latch
; Write PM high byte into program latch
;
; Set NVMOP bits to 0011
; Disable interrupts while the KEY sequence is written
; Write the key sequence
; Start the write cycle
; Insert two NOPs after the erase
; Command is asserted
// Address of word to program
// Data to program lower word
// Data to program upper byte
// Initialize NVMCON
// Initialize PM Page Boundary SFR
// Initialize lower word of address
// Write to address low word
// Write to upper byte
// Block interrupts with priority < 7
// for next 5 instructions
// C30 function to perform unlock
// sequence and set WR
and specify the lower 16 bits of the program memory
address to write to. To configure the NVMCON register
for a word write, set the NVMOP bits (NVMCON<3:0>)
to ‘0011’. The write is performed by executing the
unlock sequence and setting the WR bit, as shown in
Example
MPLAB C30 compiler and built-in hardware functions,
is shown in
5-7. An equivalent procedure in C, using the
Example
5-8.
DS39905E-page 63
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