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參數(shù)資料
| 型號： | PIC32MX775F256L-80I/BG |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 50/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 32BIT 256KB FLASH 121XBGA |
| 特色產(chǎn)品： | 32-Bit PIC? Microcontroller PIC32 32-Bit MCU Families |
| 標(biāo)準(zhǔn)包裝： | 184 |
| 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/復(fù)位，DMA，POR，PWM，WDT |
| 程序存儲器容量： | 256KB（256K x 8） |
| 程序存儲器類型： | 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： | 121-TFBGA |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 650 (CN2011-ZH PDF) |
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PIC32MX
DS61145K-page 54
2007-2012 Microchip Technology Inc.
19.2
EJTAG TAP Controller
19.2.1
ETAP_ADDRESS
COMMAND
ETAP_ADDRESS
selects the Address register. The
read-only Address register provides the address for a
processor access. The value read in the register is
valid if a processor access is pending, otherwise the
value is undefined.
The two or three Least Significant Bytes (LSBs) of the
register are used with the Psz field from the EJTAG
Control register to indicate the size and data position of
the pending processor access transfer. These bits are
not taken directly from the address referenced by the
load/store.
19.2.2
ETAP_DATA
COMMAND
ETAP_DATA
selects the Data register. The read/write
Data register is used for op code and data transfers
during processor accesses. The value read in the Data
register is valid only if a processor access for a write is
pending, in which case the Data register holds the store
value. The value written to the Data register is only
used if a processor access for a pending read is fin-
ished afterwards; in which case, the data value written
is the value for the fetch or load. This behavior implies
that the Data register is not a memory location where a
previously written value can be read afterwards.
19.2.3
ETAP_CONTROL
COMMAND
ETAP_CONTROL
selects the Control register. The
EJTAG Control register (ECR) handles processor Reset
and soft Reset indication, Debug mode indication,
access start, finish and size, and read/write indication.
The ECR also provides the following features:
Controls debug vector location and indication of
serviced processor accesses
Allows a debug interrupt request
Indicates a processor low-power mode
Allows implementation-dependent processor and
peripheral Resets
19.2.3.1
EJTAG Control Register (ECR)
The EJTAG Control register (see Register 19-1) is not
updated/written in the Update-DR state unless the
Reset occurred; that is ROCC (bit 31) is either already
‘0’ or is written to ‘0’ at the same time. This condition
ensures proper handling of processor accesses after a
Reset.
Reset of the processor can be indicated through the
ROCC bit in the TCK domain a number of TCK cycles
after it is removed in the processor clock domain in
order to allow for proper synchronization between the
two clock domains.
Bits that are Read/Write (R/W) in the register return
their written value on a subsequent read, unless other
behavior is defined.
Internal synchronization ensures that a written value is
updated for reading immediately afterwards, even
when the TAP controller takes the shortest path from
the Update-DR to Capture-DR state.
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| PIC32MX775F256L-80V/BG | 功能描述:32位微控制器 - MCU 256KB 64KBRM USB-OTG 2 CAN ETH 80MHz 10bt 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 |
| PIC32MX775F256L-80V/PF | 功能描述:32位微控制器 - MCU 256KB 64KBRM USB-OTG 2 CAN ETH 80MHz 10bt 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 |
| PIC32MX775F256L-80V/PT | 功能描述:32位微控制器 - MCU 256KB 64KBRM USB-OTG 2 CAN ETH 80MHz 10bt 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 |
| PIC32MX775F256LT-80I/BG | 功能描述:32位微控制器 - MCU 256KB Flash 64KB RAM USB 2xCAN 8 DMA 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 |
| PIC32MX775F256LT-80I/PF | 功能描述:32位微控制器 - MCU 256KB Flash 64KB RAM USB 2xCAN 8 DMA 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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