HT37A70/HT37A60/HT37A50/HT37A40/HT37A30/HT37A20
Operating voltage:
3.6V~5.5V (HT37A70/60)
3.3V~5.5V (HT37A50/40)
2.4V~5.5V (HT37A30/20)
Operating frequency: 11.059MHz
Oscillation modes for the Oscillator clock
fOSC: Crystal (11.059MHz)
1-pin RC oscillation typ. 11.059MHz
Built-in 8-bit MCU (HT-8) with 320x8 bits RAM
Built-in 32Kx16-bits to 256Kx16-bits ROM for program/data shared
Eight-level subroutine nesting
Two 8 bit timer and one 16 bit timer
Watchdog timer
Power-down and Wake-up features for power saving operation
16-bit table read instructions for any bank/page read
Support 16 to 28 bidirectional I/O lines
Integrated 2-ch stereo or 1-ch mono 16-bit DAC converter
Integrated power Amplifier
Integrated 8-channel 12-bit A/D converter
Eight channel polyphonic synthesizer
Low voltage reset (Tolerance ±10%)
External interrupt INTB
External 2 Timer clock input
4 or 8 touch switch input
ADPCM decoder
Bit manipulation instructions
63 powerful instructions

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