HCD404669 Overview
Key Features
- 1,152-digit × 4-bit RAM
- I/O pins: 47 High-current I/O pins (source: 10 mA max.): 4 High-current I/O pins (sink: 15 mA max.): 5
- Timer counters: 3
- Input capture: one 8-bit channel
- Timer outputs: 2 (with PWM output capability)
- Event input: 1 (edge-programmable)
- Clock synchronous 8-bit serial interface: 1
- DTMF generation circuit
- Comparator: 2 channels
- System clock oscillator Ceramic oscillator, crystal oscillator, or external clock operation possible HD404669 Series
