參數(shù)資料
型號: MB91637ABGL
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, MROM, 40 MHz, RISC MICROCONTROLLER, PBGA144
封裝: 12 X 12 MM, 1.45 MM HEIGT, 0.80 MM PITCH, PLASTIC, PFBGA-144
文件頁數(shù): 80/136頁
文件大?。?/td> 4123K
代理商: MB91637ABGL
MB91635A Series
48
DS07-16909-2E
Caution on Operations during PLL Clock Mode
On this microcontroller, if in case the crystal oscillator breaks off or an external reference clock input stops while
the PLL clock mode is selected, a self-oscillator circuit contained in the PLL may continue its operation at its
self-running frequency.
However, Fujitsu Semiconductor will not guarantee results of operations if such failure occurs.
Note: Changes of PLL clock specification from MB91635 series
MB91635A series has been modified, and specifications of the PLL macro oscillation clock frequency,
temperature range, PLL macro oscillation clock division value, and PLL multiple rate prohibit the setting of
dividing by 1.
Therefore, please use the device with setting as dividing by 2 to 4 by ODS0 or ODS1 bit in the PLL
configuration register (PLLCR).
Example) To use the PLL clock at 60MHz
Differences in features among the products with different memory sizes and between Flash products and MASK
products
The electric characteristics including power consumption, ESD, latch-up, noise characteristics, and oscillation
characteristics among the products with different memory sizes and between Flash products and MASK products
are different because chip layout and memory structures are different.
If you are switching to use a different product of the same series, please make sure to evaluate the electric
characteristics.
Product type
PLL macro
oscillation clock
frequency
Temperature range
PLL macro
oscillation clock
divider
PLL multiple rate
MB91F637/
MB91F639
16 MHz to 60 MHz
20 °C to + 85 °C
Divided by
1 to 4
Multiplied by 15
50 MHz to 60 MHz
40 °C to + 85 °C
MB91637A/
MB91F635A/
MB91F637A/
MB91F639A
80 MHz to 120 MHz
40 °C to + 85 °C
Divided by 2 to 4
Multiplied by 30
Product type
PLL input clock
frequency
PDS
ODS
PMS
PLL macro
oscillation clock
frequency
MB91F637/
MB91F639
4 MHz
0000
00
1110
60 MHz
MB91637A/
MB91F635A/
MB91F637A/
MB91F639A
4 MHz
0000
01
1110
120 MHz
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