HD404828R
Description
The HD404829R series incorporates an 8-bit A/D converter (four channels), a Liquid Crystal Display (LCD) and a serial interface, and has large-current Input/Output (I/O) pins. The series is a 4-bit single-chip microcomputer best used in the AV equipment such as CD radio cassette tape recorders which require the LCD display control.
Key Features
- 1,876-digit × 4-bit RAM
- 44 I/O pins, including 10 high-current pins (15 mA, max.) and 20 pins multiplexed with LCD segment pins
- Four timer/counters
- 8-bit input capture circuit
- Three timer outputs (including two PWM out-puts)
- Two event counter inputs (including one double-edge function)
- Clock-synchronous 8-bit serial interface
- A/D converter (4 channels × 8 bits)
- LCD controller/driver (52 segments × 4 commons)
- Built-in oscillators Main clock: 4.2-MHz ceramic (an external clock is also possible) Subclock: 32.768-kHz crystal
