Technology Trade-Offs Features HMOS CMOS HCMOS Internal Bus Speed 0.1-1.0 MHz 01.0 MHz 0-2.1 MHz Instruction Set Standard M6805 Standard M6805 plus Standarc| M6805 plus STOP & WAIT STOR & WAIT & MUL Operating Voltage 4.75-5.75 V 3-6 V 3-6 V (3-5.5 V, EPROM Parts) Typical Power Consumption 350-650 mW 8-20 mW 25mW M6805 Family Variations CMOS Versions HCMOS CMOS | Features MC68HC05C4 ; 68HCO5C8 68HCOSB6 68HCO5B4 E2 F2 G2 H2 No. of pins 40 40 52 2 40 28 40 40 RAM (bytes) 176 176 176 176 112 64 112 112 User ROM (bytes) 4156 7740 5952 4160 0 1089 2106 2048 /O Lines 24 24 24 24 16 16 32 24 (Bidirectional) (/O Lines 7 7 8 8 0 4 0 4 (Unidirectional) Timer (Bits) 16 16 16 16 8 8 8 8 Special Features SPI SP) Sci Scl operates in COP Freq. scl Sci A/D A/D expanded Synth. Tone D/A D/A mode Gen. *4MHz bus 256 byte E?. | power saving version Power saving available (E)EPROM MC6BHCB805C4 MC68HC05B6 | MC68HC805BE MC1468705F2 | MC1468705G2 Version Definitions SPI = Serial Peripheral Interface SCI = Serial Communications Interface PLL = Phase Lock Loop COP = Computer Operating Properly reset timer which acts as a watchdog to automatically reset the CPU if not reset by a program sequence within a given amount of time. EPROM Security = A programming sequence which, when implemented, makes the ccntents of the EPROM inaccessible. MOTOROLA EUROPEAN MASTER SELECTION GUIDE 1-20