參數(shù)資料
型號： STR911FW44X6T
廠商： 意法半導(dǎo)體
英文描述： ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
中文描述： ARM966E - ?商標(biāo)16/32位閃存微控制器與以太網(wǎng)，USB，加拿大，交流電機控制，4個定時器，模數(shù)轉(zhuǎn)換器，RTC和DMA的
文件頁數(shù)： 15/73頁
文件大?。?/td> 595K
代理商： STR911FW44X6T
STR91xF
Functional overview
15/73
Figure 2.
Clock control
2.10.2 Reference clock (RCLK)
The main clock (f
MSTR
) can be divided to operate at a slower frequency reference clock (RCLK)
for the ARM core and all the peripherals. The RCLK provides the divided clock for the ARM
core, and feeds the dividers for the AHB, APB, External Memory Interface, and FMI units.
2.10.3 AHB clock (HCLK)
The RCLK can be divided by 1, 2 or 4 to generate the AHB clock. The AHB clock is the bus
clock for the AHB bus and all bus transfers are synchronized to this clock. The maximum HCLK
frequency is 96 MHz.
2.10.4 APB clock (PCLK)
The RCLK can be divided by 1, 2, 4 or 8 to generate the APB clock. The APB clock is the bus
clock for the APB bus and all bus transfers are synchronized to this clock. Many of the
peripherals that are connected to the AHB bus also use the PCLK as the source for external
bus data transfers. The maximum PCLK frequency is 48 MHz.
2.10.5 Flash memory interface clock (FMICLK)
The FMICLK clock is an internal clock derived from RCLK, defaulting to RCLK frequency at
power up. The clock can be optionally divided by 2. The FMICLK determines the bus bandwidth
between the ARM core and the Flash memory. Typically, codes in the Flash memory can be
fetched one word per FMICLK clock in burst mode. The maximum FMICLK frequency is
96MHz.
MII_PHYCLK
25MHz
PHYSEL
X1_CPU
X1_CPU
X1_RTC
X2_RTC
EXTCLK_T0T1
EXTCLK_T2T3
USB_CLK48M
4-25MHz
48MHz
Main
OSC
RTC
OSC
16-bit prescaler
16-bit prescaler
f
OSC
PLL
32.768 kHz
f
RTC
Timer 0 & 1
f
PLL
f
MSTR
Master CLK
1/2
1/2
RCLK
DIV
(1,2,4,8,16,1024)
BRCLK
To UART
USBCLK
To USB
RCLK
AHB DIV
(1,2,4)
APB DIV)
(1,2,4,8)
1/2
HCLK
PCLK
FMICLK
CPUCLK
Timer 2 & 3
1/2
EMI_BCLK
JRTCLK
RTCSEL
4.096 kHz
DIV8
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STR911FW92X6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
STR911FW94X6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
STR912-D/RAIS 功能描述:子卡和OEM板 8 BITS MICROCONTR RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
STR912FAM32H6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
STR912FAM32X6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
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