Holtek Semiconductor HT95R23
The HT95R23 MCU is an 8-bit high performance, RISC architecture microcontroller device specially designed for telephone applications. These features combine to ensure applications require a minimum of external components and therefore reduce overall product costs. The device is best suited for phone products that comply with versatile dialer specification requirements for different areas or countries.| Part No. | HT95R23 |
|---|---|
| Datasheet | HT95R23 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | I/O Type Phone 8-Bit MCU |
| Buy | Stock & Price |
FEATURES
● Operating voltage at fSYS= 3.58MHz: 2.2V~5.5V● 4K´16 OTP type Program Memory
● 1152´8 Data Memory
● 34 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
GENERAL DESCRIPTION
Device flexibility is enhanced with their internal special features such as power-down and wake-up functions, DTMF generator, PFD driver, etc.
