HT48R52/HT48R53 I/O Type 8-Bit MCU
Technical Document
· Tools Information · FAQs · Application Note -
HA0002E HA0007E H...
HT48R52/HT48R53 I/O Type 8-Bit MCU
Technical Document
· Tools Information · FAQs · Application Note -
HA0002E HA0007E HA0011E HA0019E HA0020E
Reading Larger than Usual MCU Tables Using the MCU Look Up Table Instructions HT48 & HT46 Keyboard Scan Program Using the Watchdog Timer in the HT48 MCU Series Using the Timer/Event Counter in the HT48 MCU Series
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Features
· Operating
voltage: · External RC and 32768Hz crystal oscillator · Dual clock system offers three operating modes - Normal mode: Both RC and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer
fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
· Program memory:
HT48R52: 2k´14 HT48R53: 4k´15
· 88´8 data memory · 40 bidirectional I/O lines · One External interrupt input · One Internal interrupt · 8 bit programmable timer/event counter · 4-level subroutine nesting · Watchdog Timer (WDT) · Buzzer output · Low
voltage reset (LVR)
overflow
· HALT function and wake-up feature reduce power
consumption
· 14-bit table read instructions for HT48R52 · 15-bit table read instructions for HT48R53 · 63 powerful instructions · One instruction cycle: 4 system clock periods · All instructions in 1 or 2 instruction cycles · Bit manipulation instructions · Up to 0.5ms instruction cycle with 8MHz system clock · 52-pin QFP package
General Description
These devices are 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control...