参数资料
型号: AT91SAM7S64-MU
厂商: Atmel
文件页数: 24/50页
文件大小: 0K
描述: IC ARM7 MCU FLASH 64K 64QFN
标准包装: 260
系列: SAM7S
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 55MHz
连通性: I²C,SPI,SSC,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VQFN
包装: 托盘
配用: AT91SAM7S-EK-ND - KIT EVAL FOR ARM AT91SAM7S
30
SAM7S Series [DATASHEET]
6175KS–ATARM–25-Oct-12
Figure 9-4. Power Management Controller Block Diagram
9.4
Advanced Interrupt Controller
Controls the interrupt lines (nIRQ and nFIQ) of an ARM Processor
Individually maskable and vectored interrupt sources
Source 0 is reserved for the Fast Interrupt Input (FIQ)
Source 1 is reserved for system peripherals RTT, PIT, EFC, PMC, DBGU, etc.)
Other sources control the peripheral interrupts or external interrupts
Programmable edge-triggered or level-sensitive internal sources
Programmable positive/negative edge-triggered or high/low level-sensitive external sources
8-level Priority Controller
Drives the normal interrupt of the processor
Handles priority of the interrupt sources
Higher priority interrupts can be served during service of lower priority interrupt
Vectoring
Optimizes interrupt service routine branch and execution
One 32-bit vector register per interrupt source
Interrupt vector register reads the corresponding current interrupt vector
Protect Mode
Easy debugging by preventing automatic operations
Fast Forcing
Permits redirecting any interrupt source on the fast interrupt
General Interrupt Mask
Provides processor synchronization on events without triggering an interrupt
9.5
Debug Unit
Comprises:
One two-pin UART
One Interface for the Debug Communication Channel (DCC) support
MCK
periph_clk[2..14]
int
UDPCK
usb_suspend
SLCK
MAINCK
PLLCK
Prescaler
/1,/2,/4,...,/64
PCK
Processor
Clock
Controller
Idle Mode
Master Clock Controller
Peripherals
Clock Controller
ON/OFF
USB Clock Controller
ON/OFF
SLCK
MAINCK
PLLCK
Prescaler
/1,/2,/4,...,/64
Programmable Clock Controller
PLLCK
Divider
/1,/2,/4
pck[0..2]
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