UPD4701A中文资料瑞萨数据手册PDF规格书

FEATURES

• X, Y 2-axis incremental encoder counter

• Counter input (Schmitt-triggered input)

X axis: XA, XB 2-phase signal

4-multiplication count method used

Y axis: YA, YB 2-phase signal

• Counters: 12-bit binary up/down counters (2 sets, X & Y)

Reset value: 000H

• Count data output: 8-bit parallel latch output ´ 2 (including key input flag)

• On-chip 3-contact-point key input buffer circuit

• CMOS

• Single +5 V power supply