參數(shù)資料
型號: PIC24HJ32GP302-I/SO
廠商: Microchip Technology
文件頁數(shù): 58/84頁
文件大小: 0K
描述: IC PIC MCU FLASH 32K 28SOIC
標(biāo)準(zhǔn)包裝: 27
系列: PIC® 24H
核心處理器: PIC
芯體尺寸: 16-位
速度: 40 MIP
連通性: I²C,PMP,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 21
程序存儲器容量: 32KB(11K x 24)
程序存儲器類型: 閃存
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 10x10b/12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
產(chǎn)品目錄頁面: 648 (CN2011-ZH PDF)
配用: AC164339-ND - MODULE SKT FOR PM3 28SOIC
2010 Microchip Technology Inc.
DS70152H-page 61
dsPIC33F/PIC24H PROGRAMMING SPECIFICATION
APPENDIX A: HEX FILE FORMAT
Flash programmers process the standard HEX format
used by the Microchip development tools. The format
supported is the Intel HEX32 Format (INHX32).
Please refer to Appendix A in the “MPASM User’s
Guide” (DS33014) for more information about hex file
formats.
The basic format of the hex file is:
:BBAAAATTHHHH...HHHHCC
Each data record begins with a 9-character prefix and
always ends with a 2-character checksum. All records
begin with ‘:’ regardless of the format. The individual
elements are described below.
BB – is a two-digit hexadecimal byte count
representing the number of data bytes that appear
on the line. Divide this number by two to get the
number of words per line.
AAAA – is a four-digit hexadecimal address
representing the starting address of the data
record. Format is high byte first followed by low
byte. The address is doubled because this format
only supports 8 bits. Divide the value by two to
find the real device address.
TT – is a two-digit record type that will be ‘00’ for
data records, ‘01’ for end-of-file records and ‘04’
for extended-address record.
HHHH – is a four-digit hexadecimal data word.
Format is low byte followed by high byte. There
will be BB/2 data words following TT.
CC – is a two-digit hexadecimal checksum that is
the two’s complement of the sum of all the
preceding bytes in the line record.
Because the Intel hex file format is byte-oriented, and
the 16-bit program counter is not, program memory
sections require special treatment. Each 24-bit pro-
gram word is extended to 32 bits by inserting a
so-called “phantom byte”. Each program memory
address is multiplied by 2 to yield a byte address.
As an example, a section that is located at 0x100 in
program memory will be represented in the hex file as
0x200.
The hex file will be produced with the following
contents:
:020000040000fa
:040200003322110096
:00000001FF
Notice that the data record (line 2) has a load address
of 0200, while the source code specified address
0x100. Note also that the data is represented in
“l(fā)ittle-endian” format, meaning the Least Significant
Byte (LSB) appears first. The phantom byte appears
last, just before the checksum.
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