參數(shù)資料
型號(hào): PIC32MX575F256HT-80I/PT
廠商: Microchip Technology
文件頁數(shù): 33/64頁
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH 64TQFP
標(biāo)準(zhǔn)包裝: 1,200
系列: PIC® 32MX
核心處理器: MIPS32? M4K?
芯體尺寸: 32-位
速度: 80MHz
連通性: CAN,I²C,SPI,UART/USART,USB OTG
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲(chǔ)器容量: 256KB(256K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 帶卷 (TR)
2007-2012 Microchip Technology Inc.
DS61145K-page 39
PIC32MX
16.2.10
EXEC_VERSION
COMMAND
EXEC_VERSION
queries for the version of the PE
software stored in RAM.
Expected Response (1 word):
FIGURE 16-19:
EXEC_VERSION
RESPONSE
16.2.11
GET_CRC
COMMAND
GET_CRC
calculates the CRC of the buffer from the
specified address to the specified length, using the
table look-up method. The CRC details are as follows:
CRC-CCITT, 16-bit
Polynomial: X^16+X^12+X^5+1, hex 0x00011021
Seed: 0xFFFF
Most Significant Byte (MSB) shifted in first
Expected Response (2 words):
FIGURE 16-21:
GET_CRC
RESPONSE
FIGURE 16-18:
EXEC_VERSION
COMMAND
31
16
Op code
15
0
Operand
TABLE 16-11: EXEC_VERSION FORMAT
Field
Description
Op code
0x7
Operand
Not used
31
16
Last Command
15
0
Version Number
Note 1: In the response, only the CRC Least
Significant 16 bits are valid.
2: The PE will automatically determine if the
hardware CRC is available and use it by
default. The hardware CRC is not used
on PIC32MX1XX/2XX devices.
FIGURE 16-20:
GET_CRC
COMMAND
31
16
Op code
15
0
Operand
31
16
Addr_High
15
0
Addr_Low
31
16
Length_High
15
0
Length_Low
TABLE 16-12: GET_CRC FORMAT
Field
Description
Op code
0x8
Operand
Not used
Address
Address where to start calculating the
CRC
Length
Length of buffer on which to calculate
the CRC, in number of bytes
31
16
Last Command
15
0
Response Code
31
16
CRC_High
15
0
CRC_Low
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