 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
MB90330A Datasheet(PDF) 16 Page - Fujitsu Component Limited. |
|
|
|||||||||||||||||||||||||||||
MB90330A Datasheet(HTML) 16 Page - Fujitsu Component Limited. |
|
|
16 / 120 page  MB90330A Series 16 6. About Crystal oscillator circuit Noise near the X0/X1 pins and X0A/X1A pins may cause the device to malfunction. Design the printed circuit board so that X0/X1 pins and X0A/X1A pins, the crystal oscillator (or the ceramic oscillator) and the bypass capacitor to ground are located as close to the device as possible. It is strongly recommended to design the PC board artwork with the X0/X1 pins and X0A/X1A pins surrounded by ground plane because stable operation can be expected with such a layout. Please ask the crystal maker to evaluate the oscillational characteristics of the crystal and this device. 7. 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 Microelectronics will not guarantee results of operations if such failure occurs. 8. Stabilization of supply voltage A sudden change in the supply voltage may cause the device to malfunction even within the VCC supply voltage operating range. For stabilization reference, the supply voltage should be stabilized so that VCC ripple variations (peak-to-peak value) at commercial frequencies (50 Hz/60 Hz) fall below 10 % of the standard VCC supply voltage and the transient regulation does not exceed 0.1 V/ms at temporary changes such as power supply switching. 9. When the dual-supply is used as a single-supply device If you are using only a single-system of the MB90330A series that come in the dual-system product, use it with X0A = VSS : X1A = OPEN. 10. Writing to flash memory For serial writing to flash memory, always make sure that the operating voltage VCC is between 3.13 V and 3.6 V. For normal writing to flash memory, always make sure that the operating voltage VCC is between 3.0 V and 3.6 V. |
Similar Part No. - MB90330A |
|
Similar Description - MB90330A |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
