Phone 8-Bit MCU
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HT95R25 Phone 8-bit MCU
Technical Document
· Application Note - HA0075E MCU Reset and Oscillator C...
Description
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HT95R25 Phone 8-bit MCU
Technical Document
· Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note
Features
· Operating voltage at fSYS= 3.58MHz: 2.2V~5.5V · 16K´16 OTP type Program Memory · 2112´8 Data Memory · 50 bidirectional I/Os with pull-high options · 2 NMOS output-only lines · External interrupt input · Dual 16-bit timers with interrupts · Timer external input · 8-level stack · 32768Hz system oscillator · 32768Hz to 3.58MHz frequency-up PLL circuit · Real time clock function · Watchdog timer function · PFD driver output · DTMF generator · Power-down and wake-up feature for power-saving
operation: Idle mode, Sleep mode, Green mode and normal mode
· Up to 1.117ms instruction cycle with 3.58MHz system
clock at VDD=2.2V~5.5V
· Bit manipulation instructions · Table read function · 63 powerful instructions · All instructions executed in 1 or 2 machine cycles · Supported by comprehensive suite of hardware and
software tools
· 48-pin SSOP package
General Description
The HT95R25 MCU is an 8-bit high performance, RISC architecture microcontroller device specially designed for telephone applications. Device flexibility is enhanced with their internal special features such as power-down and wake-up functions, DTMF generator, PFD driver, etc. These features combine to ensure applications require a minimum of external components and therefore reduce overall product costs. Having the advantages of low-power consumption, high-perform...
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