參數(shù)資料
型號(hào): DSPIC30F4012T-20I/SO
廠商: Microchip Technology
文件頁(yè)數(shù): 59/66頁(yè)
文件大?。?/td> 0K
描述: IC DSPIC MCU/DSP 48K 28SOIC
標(biāo)準(zhǔn)包裝: 1,600
系列: dsPIC™ 30F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 20 MIPS
連通性: CAN,I²C,SPI,UART/USART
外圍設(shè)備: 高級(jí)欠壓探測(cè)/復(fù)位,電機(jī)控制 PWM,QEI,POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲(chǔ)器容量: 48KB(16K x 24)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x10b
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: 帶卷 (TR)
其它名稱: DSPIC30F4012T20IS
dsPIC30F Flash Programming Specification
DS70102K-page 62
2010 Microchip Technology Inc.
APPENDIX B: HEX FILE FORMAT
Flash programmers process the standard HEX format
used by the Microchip development tools. The format
supported is the Intel HEX 32 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. For-
mat 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
program 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 con-
tents:
: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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