EM785840 Datasheet (ELAN Microelectronics) - (EM785840 / EM785841 / EM785842) 8-BIT MICRO-CONTROLLER

EM785840, (EM785840 / EM785841 / EM785842) 8-BIT MICRO-CONTROLLER

note, it includes important messages.) 1.

There are some undefined bits in the registers.

The values in these bits are unpredicted.

These bits are not allowed to use.

We use the symbol “-” in the spec to recognize them.

A fixed value must be write in some specific unused bits by software or some

EM785840/5841/5842 8-BIT MICRO-CONTROLLER Version 1.2 ELAN MICROELECTRONICS CORP.

No.

12, Innovation 1st RD., Science-Based Industrial Park Hsin Chu City, Taiwan, R.O.C.

TEL: (03) 5639977 FAX: (03) 5630118 Version History Specification Revision History Version Content eFH785840 1.0 Initial version 1.1 1.

Remove Crystal mode’s Idle application 2.

Modify operating temperature 1.2 1.

Rename EM78785840/41/42 EM785840/41/42 2.

Change IRC frequency deviation from +/- 5% to +/- 10% Relative to EM7858

EM785840 Features

* VII.1 Operational Registers Register conf