Datasheet Specifications
- Part number
- WD4020
- Manufacturer
- Western Digital
- File Size
- 349.14 KB
- Datasheet
- WD4020-WesternDigital.pdf
- Description
- ROMless N-Channel Microcontrollers
Description
WESTERN DIGITAL c oRp o R A T / oN WD4020 ROMless N-Channel Microcontrollers .
Features
* LOW COST EXACT CIRCUIT EQUIVALENT OF WD4200 STANDARD 40-PIN DUAL-IN-LINE PACKAGE INTERFACES WITH STANDARD PROM OR ROM 64 x 4 RAM, ADDRESSES UP TO lK x 8 ROM POWERFUL INSTRUCTION SET TRUE VECTORED INTERRUPT, PLUS RESTART THREE-LEVEL SUBROUTINE STACK 4.01's INSTRUCTION TIME SINGLE SUPPLY OPERATION (4.Applications
* or when the program may require changing. FIGURE 2 WD4020 BLOCK DIAGRAM 487 Pin No. 1 2 3,5,6,7,8, 9,10.36 4 11,12,13,14, 18,19,20,21 15,16,26,27 17 22 23 24 25 28,29,30,31 32 33 34,35 37,38,39,40 Symbol CKO CKI IPo - IP7WD4020 Distributors
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