HT48RA5_09 Datasheet, PDF (1/38 Pages) Holtek Semiconductor Inc – Remote Type 8-Bit MCU

HT48RA5/HT48CA5
Remote Type 8-Bit MCU
Technical Document
· Tools Information
· FAQs
· Application Note
- HA0016E Writing and Reading to the HT24 EEPROM with the HT48 MCU Series
- HA0018E Controlling the HT1621 LCD Controller with the HT48 MCU Series
- HA0041E Using the HT48CA0 to Generate the HT6221 Output Signals
- HA0075E MCU Reset and Oscillator Circuits Application Note
- HA0076E HT48RAx/HT48CAx Software Application Note
- HA0082E HT48xA0-1 and HT48xA0-2 Power-on Reset Timing
Features
· Operating voltage: 2.0V~5.5V
· 23 bidirectional I/O lines (max.)
· 1 interrupt input shared with an I/O line
· 8-bit programmable timer/event counter with
overflow interrupt and 8-stage prescaler (TMR0)
· 16-bit programmable timer/event counter and
overflow interrupts (TMR1)
· On-chip crystal and RC oscillator
· Watchdog Timer
· 40K´16 program memory (8K´16 bits´5 banks)
· 224´8 data memory RAM
· PFD supported
· HALT function and wake-up feature reduce power
consumption
· 8-level subroutine nesting
· Up to 1ms instruction cycle with 4MHz system clock at
V_DD=3V
· Bit manipulation instruction
· 16-bit table read instruction
· 63 powerful instructions
· All instructions in one or two machine cycles
· Low voltage reset function
· 28-pin SOP/SSOP (209mil) package
General Description
The HT48RA5/HT48CA5 are 8-bit high performance,
RISC architecture microcontroller devices specifically
designed for multiple I/O control product applications.
The data ROM can be used to store remote control
codes. The mask version HT48CA5 is fully pin and func-
tionally compatible with the OTP version HT48RA5 de-
vice.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, watchdog timer,
programmable frequency divider, HALT and wake-up
functions, as well as low cost, enhance the versatility of
these devices to suit a wide range of application possi-
bilities such as industrial control, consumer products,
subsystem controllers, and particularly suitable for use
in products such as universal remote controller (URC).
Rev. 1.40
1
May 22, 2009