MC6805K3 microcomputer equivalent, 8-bit microcomputer.
* 32 Bidirectional TTL I/O Lines Eight CMOS I/O Compatible Eight LED liO Compatible Eight Open Drain (Software Control)
* User ROM:
MC6805K2 - 2K Bytes MC6805K.
The input and output signals for the MC6805K2 and MC6805K3 microcomputer units (MCUs) are described in the following paragraphs.
Vcc, VSS, AND VSTBY Power is supplied to the MCUs using these pins. VCC pro-
vides the 5.0 volt ± 5% power supply connect.
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