MC6805K3, MC6805K2 Datasheet - Motorola

MC6805K3 8-BIT MICROCOMPUTER

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 connection, VSS is the ground connection, and VSTBY is th.

® MOTOROLA MC680SK2 MC680SK3 Product Preview 8-BIT MICROCOMPUTER UNITS WITH SERIAL PERIPHERAL INTERFACE AND TWO TIMERS The MC6805K2/MC6805K3 microcomputer units are members of the M6805 Family of low-cost single-chip microcomputers. These 8-bit microcomputers contain a CPU, on-chip clock, ROM, EEPROM, RAM, I/O, two timers, one programmable prescaler, and a serial peripheral interface. These units are designed for the user who needs an economical microcomputer with the proven capabilities of .

MC6805K3 Features

* 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 MC6805K3 - 3.6K Bytes

* 96 Bytes of User RAM, 16 Bytes on Standby via VSTBY Pin

* 128 Bytes of User EEPROM with

MC6805K2-Motorola.pdf