參數(shù)資料
型號(hào)： PIC32MX795F512H-80I/PT
廠商： Microchip Technology
文件頁數(shù)： 25/64頁
文件大?。?/td> 0K
描述： IC MCU 32BIT 512KB FLASH 64TQFP
特色產(chǎn)品： 32-Bit PIC? Microcontroller
PIC32 32-Bit MCU Families
標(biāo)準(zhǔn)包裝： 160
系列： PIC® 32MX
核心處理器： MIPS32? M4K?
芯體尺寸： 32-位
速度： 80MHz
連通性： CAN，以太網(wǎng)，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： 512KB（512K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 128K 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： 托盤
產(chǎn)品目錄頁面： 650 (CN2011-ZH PDF)
配用： 876-1000-ND - PIC32 BREAKOUT BOARD
2007-2012 Microchip Technology Inc.
DS61145K-page 31
PIC32MX
16.0
THE PROGRAMMING
EXECUTIVE
16.1
PE Communication
The programmer and the PE have a master-slave
relationship, where the programmer is the master
programming device and the PE is the slave.
All communication is initiated by the programmer in the
form of a command. The PE is able to receive only one
command at a time. Correspondingly, after receiving
and processing a command, the PE sends a single
response to the programmer.
16.1.1
2-WIRE ICSP EJTAG RATE
In Enhanced ICSP mode, the PIC32MX family devices
operate from the internal Fast RC oscillator, which has
a nominal frequency of 8 MHz. To ensure that the pro-
grammer does not clock too fast, it is recommended
that a 1 MHz clock be provided by the programmer.
16.1.2
COMMUNICATION OVERVIEW
The programmer and the PE communicate using the
EJTAG Address, Data and Fastdata registers. In partic-
ular, the programmer transfers the command and data
to the PE using the Fastdata register. The programmer
receives a response from the PE using the Address
and Data registers. The pseudo operation of receiving
a response is shown in the GetPEResponse pseudo
operation below:
Format:
response = GetPEResponse()
Purpose:
Enables the programmer to receive the 32-bit
response value from the PE.
EXAMPLE 16-1:
GetPEResponse
EXAMPLE
The typical communication sequence between the
programmer and the PE is shown in Table 16-1.
The sequence begins when the programmer sends the
command and optional additional data to the PE, and
the PE carries out the command.
When the PE has finished executing the command, it
sends the response back to the programmer.
The response may contain more than one response.
For example, if the programmer sent a READ
command, the response will contain the data read.
TABLE 16-1:
COMMUNICATION
SEQUENCE FOR THE PE
Note:
The Programming Executive (PE) is
located in the following folder within your
installation of MPLAB IDE:
...\Microchip\MPLAB IDE\REAL ICE
,
and then selecting the Hex PE file,
RIPE_06_xxxxxx
for PIC32MX3/4/5/6/7XX
or
RIPE_11_xxxxxx
for PIC32MX1/2XX.
Operation
Operand
Step 1: Send command and optional data from
programmer to the PE.
XferFastData
(Command | data len)
XferFastData..
optional data..
Step 2: Programmer reads the response from the
PE.
GetPEResponse
response
GetPEResponse...
response...
{
WORD response;
// Wait until CPU is ready
SendCommand(ETAP_CONTROL);
// Check if Proc. Access bit (bit 18) is set
do {
controlVal=XferData(32’h0x0004C000 );
} while( PrAcc(contorlVal<18>) is not ‘1’ );
// Select Data Register
SendCommand(ETAP_DATA);
// Receive Response
response = XferData(0);
// Tell CPU to execute instruction
SendCommand(ETAP_CONTROL);
XferData(32’h0x0000C000);
// return 32-bit response
return response;
}
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC32MX795F512H-80V/MR 功能描述:32位微控制器 - MCU 512KB 128KBR USB-OTG 2 CAN ETH 80MHz 10b RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
PIC32MX795F512H-80V/PT 功能描述:32位微控制器 - MCU 512KB 128KBR USB-OTG 2 CAN ETH 80MHz 10b RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
PIC32MX795F512HT-80I/MR 功能描述:32位微控制器 - MCU 512KB Flash 128KB USB ENET RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
PIC32MX795F512HT-80I/PT 功能描述:32位微控制器 - MCU 512KB Flash 128KB USB ENET RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
PIC32MX795F512HT-80V/MR 功能描述:32位微控制器 - MCU 512KB 128KBR USB-OTG 2 CAN ETH 80MHz 10b RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
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