Electronic Components Datasheet Search |
|
WMS7170010M Datasheet(PDF) 8 Page - Winbond |
|
WMS7170010M Datasheet(HTML) 8 Page - Winbond |
8 / 22 page WMS7170 / 7171 - 8 - 7.3. SERIAL DATA INTERFACE The WMS7170/7171 device has a 3-wire Up/Down Serial Interface consisting of CS , INC and U/ D control signals. The key features of this interface include: • Enabling the device • Determining the moving direction of the wiper • Increment/Decrement operation on the wiper • Non-volatile storage of the present wiper position into the NVMEM0 for automatic recall at power up • Entering into the standby mode 7.4. OPERATION OVERVIEW The wiper position can be changed either up or down by operating the CS , U/ D and INC control signals. When CS is LOW, the device is selected and the wiper can be moved by toggling the INC . As a result, the wiper moves up when U/ D is HIGH and moves down when U/ D is LOW. The status of the U/ D can be changed even though the CS remains LOW. This allows the system to enable the device and then move the wiper position either up or down until the desired position is reached. When the wiper is already at the lowest position, further Down operation won’t change the wiper position. Similarly, when the wiper is at the highest position, further Up operation won’t change the wiper position too. The current wiper position can be automatically stored into the NVMEM0 each time the CS goes from LOW to HIGH while the INC remains HIGH. Adversely, if the INC is LOW when the CS goes HIGH, the wiper position cannot be stored. Meanwhile, the NVMEM0 content is automatically loaded into the wiper during power on. When the CS is held HIGH, the device enters into Standby mode and the wiper position cannot be changed. Changing the CS to LOW exits the Standby mode and enables the device again. The operating modes of Up/Down interface are summarized in the table below: CS U/ D INC Operation LOW HIGH HIGH to LOW Move Wiper toward RA /VA LOW LOW HIGH to LOW Move Wiper toward RB /VB LOW to HIGH x HIGH Store Current Wiper Position LOW to HIGH x LOW No Store, Return to Standby HIGH x x Standby Note: x means don’t care |
Similar Part No. - WMS7170010M |
|
Similar Description - WMS7170010M |
|
|
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 |