Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

Description The HD404669 Series microcomputers incorporate a DTMF generation circuit, two comparators, and a serial interface on chip. They also provide input and output pins with large current handling capacities. Thus they are 4-bit single-chip microcomputers that are optimal for use in multi

Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

Features · 1,152-digit ´ 4-bit RAM · I/O pins: 47 ¾ High-current I/O pins (source: 10 mA max.): 4 ¾ 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)

Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

Description The HD404669 Series microcomputers incorporate a DTMF generation circuit, two comparators, and a serial interface on chip. They also provide input and output pins with large current handling capacities. Thus they are 4-bit single-chip microcomputers that are optimal for use in multi

Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

Description The HD404669 Series microcomputers incorporate a DTMF generation circuit, two comparators, and a serial interface on chip. They also provide input and output pins with large current handling capacities. Thus they are 4-bit single-chip microcomputers that are optimal for use in multi