Product Summary

The HT48R05A is an 8-bit high performance RISC-like microcontroller designed for multiple I/O product applications. The HT48R05A is particularly suitable for use in products such as remote controllers, fan/light controllers, washing machine controllers, scales, toys and various subsystem controllers. A halt feature is included to reduce power consumption. The program and option memories can be electrically programmed, making the microcontroller suitable for use in product development.

Parametrics

HT48R05A absolute maximum ratings: (1)Supply Voltage:VSS-0.3V to VSS+5.5V; (2)Input Voltage:VSS-0.3V to VDD+0.3V; (3)Storage Temperature:-50 to 125℃; (4)Operating Temperature: -40 to 85℃.

Features

HT48R05A features: (1)Halt function and wake-up feature reduce power consumption; (2)Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V; (3)All instructions in one or two machine cycles; (4)14-bit table read instruction; (5)Two-level subroutine nesting; (6)Bit manipulation instruction; (7)63 powerful instructions; (8)Low voltage reset function; (9)Operating voltage: fSYS=4MHz: 3.3V~5.5V; fSYS=8MHz: 4.5V~5.5V; (10)13 bidirectional I/O lines; (11)An interrupt input shared with an I/O line; (12)8-bit programmable timer/event counter with overflow interrupt and 8-stage prescaler; (13)On-chip crystal and RC oscillator; (14)Watchdog timer; (15)512×14 program memory PROM; (16)32×8 data memory RAM; (17)Buzzer driving pair and PFD supported.

Diagrams

HT48R05A block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
HT48R05A-1
HT48R05A-1
Other

Data Sheet
Negotiable 
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(USD)		 Quantity
HT48C05
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HT48C10
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HT48C10-1
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HT48C30
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