Description
Number 1 2 3 4 5 6 7 8 Name OSC SIO SC ST TEST MTO VDD VSS Function Built-in RC oscillator option: External resistor and capacitor connection pins External clock input option: External reference clock input (gate circuit built-in) Playback control serial interface data input.
Features
- s s
OSC SIO SC ST
1 2 3 4
8 7
VSS VDD MTO TEST
s s
s
s
s s s
2.0 to 3.6 V supply voltage Maximum of 16 melody selections (15 in ROM + 1 in SRAM) Level hold playback mode External reference clock input versions and builtin RC oscillator versions available, set by masterslice option (RC oscillator versions require an external resistor and capacitor). Selectable clock frequencies (fixed for all melodies).
- External clock input versions (6 frequencies) - 32.768 kHz system: 32.768, 65.