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參數資料
型號: 73S1209F-68IMR/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, QCC68
封裝: LEAD FREE, QFN-68
文件頁數: 43/123頁
文件大小: 1385K
代理商: 73S1209F-68IMR/F
73S1209F Data Sheet
DS_1209F_004
MPU Clock Control Register (MPUCKCtl): 0xFFA1
0x0C
Table 13: The MPUCKCtl Register
MSB
LSB
MDIV.5 MDIV.4 MDIV.3 MDIV.2 MDIV.1 MDIV.0
Bit
Symbol
Function
MPUCKCtl.7
MPUCKCtl.6
MPUCKCtl.5
MDIV.5
This value determines the ratio of the MPU master clock frequency to
the VCO frequency (MCLK) such that
MPUClk = MCLK/(2 * (MPUCKDiv(5:0) + 1)).
Do not use values of 0 or 1 for MPUCKDiv(n).
Default is 0Ch to set CPCLK = 3.6923MHz.
MPUCKCtl.4
MDIV.4
MPUCKCtl.3
MDIV.3
MPUCKCtl.2
MDIV.2
MPUCKCtl.1
MDIV.1
MPUCKCtl.0
MDIV.0
The oscillator circuits are designed to connect directly to standard parallel resonant crystal in a Pierce
oscillator configuration. Each side of the crystal should include a 22pF capacitor to ground for both
oscillator circuits and a 1M resistor is required across the 12MHz crystal.
The CPU clock is available as an output on pin CPUCLK (68-pin version only).
73S1209F
X12IN
X12OUT
12MHz
22pF
1M
Ω
Note: The crystal should be placed as close as possible to the IC, and vias should be avoided.
Figure 4: Oscillator Circuit
26
Rev. 1.2
相關PDF資料
PDF描述
73S1209F-44IMR/F POWER SUPPLY MANAGEMENT CKT, QCC44
73S1209F-68IMR/F POWER SUPPLY MANAGEMENT CKT, QCC68
73S1209F-68IM/F POWER SUPPLY MANAGEMENT CKT, QCC68
73S1209F-44IMR/F POWER SUPPLY MANAGEMENT CKT, QCC44
73S1209F-44IM/F POWER SUPPLY MANAGEMENT CKT, QCC44
相關代理商/技術參數
參數描述
73S1209F-68M/F/P1 功能描述:8位微控制器 -MCU Contained 80515-SoC Serial Hst Interface RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
73S1209F-EB 功能描述:開發板和工具包 - 8051 73S1209F Eval Brd (Doc. Cd, Cable) RoHS:否 制造商:Silicon Labs 產品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓:
73S1209F-IM44 DK 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 73S1209F Dev Kit Eval Bd Ice Cable Cd
73S1209F-IM44 EB 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 73S1209F Eval Brd Eval Bd Doc Cd Cable
73S1209F-IM68 DK 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 73S1209F Dev Kit Eval Bd Ice Cable Cd
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