HD404669中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

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