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參數(shù)資料
| 型號(hào)： | PIC32MX575F512L-80I/PF |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 13/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 32BIT 512KB FLASH 100TQFP |
| 特色產(chǎn)品： | 32-Bit PIC? Microcontroller PIC32 32-Bit MCU Families |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 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)： | 85 |
| 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： | 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： | 100-TQFP |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 650 (CN2011-ZH PDF) |
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PIC32MX
DS61145K-page 20
2007-2012 Microchip Technology Inc.
7.0
ENTERING 2-WIRE ENHANCED
ICSP MODE
To use the 2-wire PGEDx and PGECx pins for pro-
gramming, they must be enabled. Note that any pair of
programming pins available on a particular device may
be used, however, they must be used as a pair. PGED1
must be used with PGEC1, and so on.
The following steps are required to enter 2-wire
Enhanced ICSP mode:
1.
The MCLR pin is briefly driven high, then low.
2.
A 32-bit key sequence is clocked into PGEDx.
3.
MCLR is then driven high within a specified
period of time and held.
Please refer to Section 20.0 “AC/DC Characteristics
and Timing Requirements” for timing requirements.
The programming voltage applied to MCLR is VIH,
which is essentially VDD, in PIC32MX devices. There is
no minimum time requirement for holding at VIH. After
VIH is removed, an interval of at least P18 must elapse
before presenting the key sequence on PGEDx.
The key sequence is a specific 32-bit pattern: ‘0100
1101
0100
0011
0100
1000
0101
0000
’ (the
acronym ‘MCHP’, in ASCII). The device will enter
Program/Verify mode only if the key sequence is valid.
The MSb of the Most Significant nibble must be shifted
in first.
Once the key sequence is complete, VIH must be
applied to MCLR and held at that level for as long as
the 2-wire Enhanced ICSP interface is to be main-
tained. An interval of at least time P19 and P7 must
elapse before presenting data on PGEDx. Signals
appearing on PGEDx before P7 has elapsed will not be
interpreted as valid.
Upon successful entry, the programming operations
documented in subsequent sections can be performed.
While in 2-wire Enhanced ICSP mode, all unused I/Os
are placed in the high-impedance state.
FIGURE 7-1:
ENTERING ENHANCED ICSP MODE
Note:
If using the 4-wire JTAG interface, the
following procedure is not necessary.
MCLR
PGEDx
PGECx
VDD
P6
P14
b31
b30
b29
b28
b27
b2
b1
b0
b3
...
Program/Verify Entry Code = 0x4D434850
P1A
P1B
P18
P19
01
0
1
0
P7
VIH
P20
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PIC32MX575F512L-80IPT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PIC32MX575FXXXX USB, CAN and Ethernet 32-bit Flash Microcontroller |
| PIC32MX575F512L-80V/BG | 功能描述:32位微控制器 - MCU 512KB 64KBRM USB-OTG CAN 80MHz 10BIT 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 |
| PIC32MX575F512L-80V/PF | 功能描述:32位微控制器 - MCU 512KB 64KBRM USB-OTG CAN 80MHz 10BIT 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 |
| PIC32MX575F512L-80V/PT | 功能描述:32位微控制器 - MCU 512KB 64KBRM USB-OTG CAN 80MHz 10BIT 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 |
| PIC32MX575F512LT-80I/BG | 功能描述:32位微控制器 - MCU 512K Flash 64KB USB 1xCAN 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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