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DS89C420-ECL
DS89C420-ECL - Brand New Maxim Integrated Microcontrollers
Credit Card - 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
GENERAL DESCRIPTION
The DS89C420 offers the highest performance available in 8051-compatible microcontrollers. It features a redesigned processor core that executes every 8051 instruction (depending on the instruction type) up to 12 times faster than the original for the same crystal speed. Typical applications see a speed improvement of 10 times using the same code and crystal. The DS89C420 offers a maximum crystal speed of 33MHz, achieving execution rates up to 33 million instructions per second (MIPS).
FEATURES
■ 80C52 Compatible
- 8051 Pin and Instruction-Set Compatible
- Four Bidirectional I/O Ports
- Three 16-Bit Timer Counters
- 256 Bytes Scratchpad RAM
■ On-Chip Memory
- 16kB Flash Memory
- In-System Programmable through Serial Port
- 1kB SRAM for MOVX
■ ROMSIZE Feature
- Selects Internal Program Memory Size from 0 to 16k
- Allows Access to Entire External Memory Map
- Dynamically Adjustable By Software
■ 80C52 compatible
- 8051 pin and instruction-set compatible
- Four bidirectional I/O ports
- Three 16-bit timer counters
- 256 bytes scratchpad RAM
■ On-chip memory
- 16kB flash memory
- In-system programmable through serial port
- 1kB SRAM for MOVX
■ ROMSIZE feature
- Selects internal program memory size from 0 to 16k
- Allows access to entire external memory map
- Dynamically adjustable by software
■ High-speed architecture
- 1 clock-per-machine cycle
- DC to 33MHz operation
- Single-cycle instruction in 30ns
- Optional variable length MOVX to access fast/slow peripherals
- Dual data pointers with auto increment/decrement and toggle select
- Supports four paged modes
■ Power Management Mode
- Programmable clock divider
- Automatic hardware and software exit
■ Two full-duplex serial ports
■ Programmable watchdog timer
■ 13 interrupt sources (six external)
■ Five levels of interrupt priority
■ Power-fail reset
■ Early warning power-fail interrupt
APPLICATIONS
Data Logging
Vending
Automotive Test Equipment
Motor Control
Magstripe Reader/Scanner
Consumer Electronics
Gaming Equipment
Appliances (Washers, Microwaves, etc.)
Telephones
HVAC
Building Security and Door Access Control
Building Energy Control and Management
Uninterruptible Power Supplies
Programmable Logic Controllers
Industrial Control and Automation
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 |
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