
⚠ All product names, trademarks, brands, and logos on this site are the property of their respective owners. Their use is for identification purposes only and does not imply any affiliation or authorization from the rights holders. We are not authorized dealers or distributors of the brand. The warranty is provided by us, not the original manufacturer.
4520BP
4520BP - Brand New NXP Semiconductors Counters / Dividers
- One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
DESCRIPTION
The SC84520 Scrolling Mouse Controller id specially designed to control serial mouse or PS/2 mouse device. This single chip can interface three key-switched and 4 X-Y photo-couples plus Z-axis directly plus Z-axis directly to RS-232C or 8042 controller. There are four types Z-axis inputs used to implement scrolling mouse functionality.
FEATURES
Using 50kΩ±1% resistor for RC oscillation
Compatible with legacy PS/2 mouse
Compatible with Microsoft serial scrolling mouse
Compatible with Microsoft PS/2 scrolling mouse
Serial or PS/2 port auto-detect
100 bytes PnP ID code could be filled by code layer
Built-in noise immunity circuit
The sampling rate of motion detector is up to 65 kHz
Built-in three zener diodes : one in VDDto VSS,twoinRTStoVDD
CMOS push-pull RXD output
Built-in current comparator for photo-couples input
Built-in three step dynamic input impedance
Three key-switches and four photo-coupled inputs
RTS debouncing circuit include
Photo couple test mode include
Low power dissipation
*Six types Z direction input:
1. Photo couples input (Z/1)
2. Key-switches input
3. Voltage-sensing input
4. Mechanical input(Z/1)
5. Photo couples input (Z/4)
6. Mechanical input (Z/2)
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
| United States | 3 - 5 days | 10-15 days | |
| Canada | 3 - 5 days | 10-20 days | |
| Mexico | 3 - 5 days | 10-17 days | |
| Germany | 3 - 5 days | 10-12 days | |
| Italy | 3 - 5 days | 10-15 days | |
| United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |