(HT56R66 / HT56R666) TinyPower A/D Type - Holtek Semiconductor
Description
HT56R66/HT56R666 TinyPowerTM A/D Type with LCD 8-Bit OTP MCU
Technical Document
· Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note
Features
· Operating voltage: fSYS=32768Hz: 2.
2V~5.
5V fSYS=4MHz: 2.
2V~5.
5V fSYS=8MHz: 3.
0V~5.
5V fSYS=12MHz: 4.
5V~5.
5V
· Operating current: fSYS=1MHz at 3V: 170mA, typ.
fSYS=32kHz at 3V: 6mA, typ.
· OTP Program Memory: 16K´16
· RAM Data Memory: 1152´8 · 24 to 32 bidirectional I/O lines · TinyPower technology for low power operation · Three pin-shared external interrupts lines · Multiple programmable Timer/Event Counters
with overflow interrupt and 7-stage prescaler · External Crystal, RC and 32768 XTAL oscillators · Fully integrated RC 32kHz oscillator · Externally supplied system clock option · Watchdog Timer function
· PFD/Buzzer for audio frequency generation · Dual Serial Interfaces: SPI and I2C · LCD and LED driver function · 4 operating modes: normal, slow, idle and sleep · 8-channel 12-bit resolution A/D converter · 4-channel 12-bit PWM outputs · Low voltage reset function: 2.
1V, 3.
15V, 4.
2V · Low voltage detect function: 2.
2V, 3.
3V, 4.
4V · Bit manipulation instruction · Table read instructions · 63 powerful instructions
· Up to 0.
33ms instruction cycle with 12MHz system clock at VDD=5V
· 12 levels subroutine nesting · All instructions executed in one or two machine
cycles · Power down and wake-up functions to reduce power
consumption · Wide range of available package types
General Description
These TinyPowerTM A/D Type with LCD 8-bit high performance RISC architecture microcontrollers are specifically, designed for applications that interface directly to analog signals and which require an LCD or LED interface.
The devices include an integrated multi-channel Analog to Digital Converter, Pulse Width Modulation outputs and an LCD/LED driver.
With their fully integrated SPI and I2C functions, designers are provided with a means of easy communication with external peripheral hardware.
The benefits of i...
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