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參數(shù)資料
| 型號： | AT32UC3C2512C-A2ZT |
| 廠商： | Atmel |
| 文件頁數(shù)： | 35/109頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 32BIT 512KB FLASH 64TQFP |
| 標(biāo)準(zhǔn)包裝： | 800 |
| 系列： | AVR®32 UC3 C |
| 核心處理器： | AVR |
| 芯體尺寸： | 32-位 |
| 速度： | 66MHz |
| 連通性： | CAN，以太網(wǎng)，I²C，IrDA，LIN，SPI，UART/USART，USB |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，DMA，I²S，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 45 |
| 程序存儲器容量： | 512KB（512K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 64K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 11x12b，D/A 2x12b |
| 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 |
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31
9166DS–AVR-01/12
AT32UC3C
Figure 4-5.
The Status Register Low Halfword
4.4.3
Processor States
4.4.3.1
Normal RISC State
The AVR32 processor supports several different execution contexts as shown in Table 4-2.
Mode changes can be made under software control, or can be caused by external interrupts or
exception processing. A mode can be interrupted by a higher priority mode, but never by one
with lower priority. Nested exceptions can be supported with a minimal software overhead.
When running an operating system on the AVR32, user processes will typically execute in the
application mode. The programs executed in this mode are restricted from executing certain
instructions. Furthermore, most system registers together with the upper halfword of the status
register cannot be accessed. Protected memory areas are also not available. All other operating
modes are privileged and are collectively called System Modes. They have full access to all priv-
ileged and unprivileged resources. After a reset, the processor will be in supervisor mode.
4.4.3.2
Debug State
The AVR32 can be set in a debug state, which allows implementation of software monitor rou-
tines that can read out and alter system information for use during application development. This
implies that all system and application registers, including the status registers and program
counters, are accessible in debug state. The privileged instructions are also available.
All interrupt levels are by default disabled when debug state is entered, but they can individually
be switched on by the monitor routine by clearing the respective mask bit in the status register.
Bit 15
Bit 0
Reserved
Carry
Zero
Sign
0
-
T
-
Bit name
Initial value
0
L
Q
V
N
Z
C
-
Overflow
Saturation
-
Lock
Reserved
Scratch
Table 4-2.
Overview of Execution Modes, their Priorities and Privilege Levels.
Priority
Mode
Security
Description
1
Non Maskable Interrupt
Privileged
Non Maskable high priority interrupt mode
2
Exception
Privileged
Execute exceptions
3
Interrupt 3
Privileged
General purpose interrupt mode
4
Interrupt 2
Privileged
General purpose interrupt mode
5
Interrupt 1
Privileged
General purpose interrupt mode
6
Interrupt 0
Privileged
General purpose interrupt mode
N/A
Supervisor
Privileged
Runs supervisor calls
N/A
Application
Unprivileged
Normal program execution mode
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參數(shù)描述 |
|---|---|
| AT32UC3C2512C-Z2UR | 制造商:Atmel Corporation 功能描述:MCU 32-bit AT32 AVR RISC 512KB Flash 3.3V/5V 64-Pin QFN EP T/R 制造商:Atmel Corporation 功能描述:512KB FLASH 64QFN(-40?C TO 85?C) T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 32BIT 512KB FLASH 64QFN 制造商:Atmel Corporation 功能描述:32-bit Microcontrollers - MCU 512KB Flash 64QFN (-40oC to 85oC) 制造商:Atmel Corporation 功能描述:512KB Flash 64QFN(-40C to 85C) T&R |
| AT32UC3C2512C-Z2UT | 制造商:Atmel Corporation 功能描述:512KFLASH AUTO - Trays |
| AT32UC3C2512C-Z2ZES | 制造商:Atmel Corporation 功能描述:512KFLASH UC3C AUTO - QFN64 ENG SAMPLE - Bulk |
| AT32UC3C2512C-Z2ZR | 功能描述:32位微控制器 - MCU 512KB FL,-40/125oC AUTO 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 |
| AT32UC3C2512C-Z2ZT | 功能描述:32位微控制器 - MCU 512KB FL,-40/125oC AUTO 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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