Holtek Semiconductor HT48RA0A
The HT48RA0A is an 8-bit high performance RISC-like microcontroller specifically designed for multiple I/O product applications. The device is particularly suitable for use in products such as infrared remote controllers and various subsystem controllers. Each bit can be determined as NMOS output or schmitt trigger input by software instructions.| Part No. | HT48RA0A |
|---|---|
| Datasheet | HT48RA0A Download |
| Manufacturer |  Holtek Semiconductor |
| Description | 8-Bit OTP IR Remote Controller |
| Buy | Stock & Price |
FEATURES
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● 8-Bit OTP IR Remote Controller
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● HT48RA0A Operating voltage: 2.2V~3.6V Ten bidirectional I/O lines Six schmitt trigger input lines One carrier output (1/2 or 1/3 duty) On-chip crystal and RC oscillator Watchdog timer 1K´14 program EPROM 32´8 data RAM Low voltage reset function Halt function and wake-up feature reduce power consumption 62 powerful instructions Up to 1ms instruction cycle with 4MHz system clock All instructions in 1 or 2 machine cycles 14-bit table read instructions One-level subroutine nesting Bit manipulation instructions 20-pin SOP package 24-pin SOP package
GENERAL DESCRIPTION
A halt feature is included to reduce power consumption. 1 May 17, 2000 Preliminary Block Diagram S T A C K P ro g ra m E P R O M P ro g ra m C o u n te r S Y S C L K /4 In s tr u c tio n R e g is te r M P M U X D A T A M e m o ry F r e q u e n c y D iv id e r W D T L e v e l o r C a r r ie r C a r r ie r C o n tr o l P C 0 C o n tro l HT48RA0A P C 0 /R E...
