参数资料
型号: AT91SAM9G10-CU
厂商: Atmel
文件页数: 15/39页
文件大小: 0K
描述: IC MCU ARM9 SAMPLING 217CBGA
产品培训模块: MCU Product Line Introduction
标准包装: 126
系列: SAM9G
核心处理器: ARM9
芯体尺寸: 16/32-位
速度: 266MHz
连通性: EBI/EMI,I²C,IrDA,ISI,MMC,SPI,SSC,UART/USART,USB
外围设备: DMA,LCD,POR,PWM,WDT
输入/输出数: 96
程序存储器容量: 32KB(32K x 8)
程序存储器类型: ROM
RAM 容量: 48K x 8
电压 - 电源 (Vcc/Vdd): 1.08 V ~ 1.32 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 217-LFBGA
包装: 托盘
22
6462AS–ATARM–03-Jun-09
AT91SAM9G10
9.6
Power Management Controller
The Power Management Controller provides:
– the Processor Clock PCK
– the Master Clock MCK
– the USB Clock USBCK (HCK0)
– the LCD Controller Clock LCDCK (HCK1)
– up to thirty peripheral clocks
– four programmable clock outputs: PCK0 to PCK3
Figure 9-3.
Power Management Controller Block Diagram
9.7
Periodic Interval Timer
Includes a 20-bit Periodic Counter with less than 1 s accuracy
Includes a 12-bit Interval Overlay Counter
Real time OS or Linux
/WindowsCE compliant tick generator
9.8
Watchdog Timer
12-bit key-protected only-once programmable counter
Windowed, prevents the processor to be in a dead-lock on the watchdog access
9.9
Real-time Timer
32-bit Free-running backup counter
Alarm Register capable to generate a wake-up of the system
MCK
periph_clk[2..21]
int
UDPCK
usb_suspend
SLCK
MAINCK
PLLACK
Prescaler
/1,/2,/4,...,/64
PCK
Processor
Clock
Controller
Idle Mode
Master Clock Controller
APB Peripherals
Clock Controller
ON/OFF
USB Clock Controller
ON/OFF
SLCK
MAINCK
PLLACK
Prescaler
/1,/2,/4,...,/64
Programmable Clock Controller
PLLBCK
Divider
/1,/2,/4
pck[0..3]
PLLBCK
UHPCK
Divider
/1,/2,/3,/4
HCKx
AHB Peripherals
Clock Controller
ON/OFF
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