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參數(shù)資料
| 型號(hào)： | AT91M40008 |
| 廠商： | Atmel Corp. |
| 英文描述： | Incorporates the ARM7TDMI⑩ ARM?? Thumb?? Processor Core |
| 中文描述： | 采用了ARM的ARM7TDMI的⑩？？拇指？？處理器核心 |
| 文件頁(yè)數(shù)： | 12/19頁(yè) |
| 文件大?。?/td> | 234K |
| 代理商： | AT91M40008 |
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AT91R40008
1732CS
–
ATARM
–
02/02
System
Peripherals
PS: Power-saving
The Power-saving feature optimizes power consumption, enabling the software to stop the
ARM7TDMI clock (Idle mode), restarting it when the module receives an interrupt (or reset). It
also enables on-chip peripheral clocks to be enabled and disabled individually, matching
power consumption and application need.
AIC: Advanced
Interrupt Controller
The Advanced Interrupt Controller has an 8-level priority, individually maskable, vectored
interrupt controller, and drives the NIRQ and NFIQ pins of the ARM7TDMI from:
The external fast interrupt line (FIQ)
The three external interrupt request lines (IRQ0 - IRQ2)
The interrupt signals from the on-chip peripherals
The AIC is extensively programmable offering maximum flexibility, and its vectoring features
reduce the real-time overhead in handling interrupts.
The AIC also features a spurious vector, which reduces spurious interrupt handling to a mini-
mum, and a protect mode that facilitates the debug capabilities.
PIO: Parallel I/O
Controller
The AT91R40008 microcontroller has 32 programmable I/O lines. Six pins are dedicated as
general-purpose I/O pins. Other I/O lines are multiplexed with an external signal of a periph-
eral to optimize the use of available package pins. The PIO controller enables generation of an
interrupt on input change on any of the PIO pins.
WD: Watchdog
The Watchdog is built around a 16-bit counter and is used to prevent system lock-up if the soft-
ware becomes trapped in a deadlock. It can generate an internal reset or interrupt, or assert
an active level on the dedicated pin NWDOVF. All programming registers are password-pro-
tected to prevent unintentional programming.
SF: Special Function
The AT91R40008 microcontroller provides registers that implement the following special
functions:
Chip identification
RESET status
Protect mode
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT91M40100 | ARM THUMB - Based Microcontroller(基于ARM THUMB的微控制器) |
| AT91M40403 | ARM THUMB - Based Microcontroller(基于ARM THUMB的微控制器) |
| AT91F40416 | ARM THUMB - Based Microcontroller(基于ARM THUMB的微控制器) |
| AT91M40400 | AT91 ARM Thumb RISC Microcontrollers(AT91 ARM Thumb技術(shù)RISC微控制器) |
| AT91M40800-33AU | AT91 ARM Thumb Microcontrollers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT91M40400 | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:AT91 ARM Thumb Microcontrollers |
| AT91M40400_99 | 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:AT91 ARM Thumb Microcontrollers |
| AT91M40400-25AC | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:32-Bit Microcontroller |
| AT91M40400-25AI | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:32-Bit Microcontroller |
| AT91M40400-33AC | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:32-Bit Microcontroller |
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