* Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
* 48 bidirectional I/O lines
* External interrupt input shared with I/O line
* Single 8-bit.

HT46RU22

HT46RU232

HT46RU24

HT46RU25

HT46RU66

HT46RU67

HT46R002

HT46R003

HT46R003B

HT46R004

HT46R005

HT46R006

HT46R01

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