Download MC6804J2 Datasheet PDF
Motorola Semiconductor
MC6804J2
Features . Section 1 Introduction 3-139 3-139 Section 2 Functional Pin Description , Memory, CPU, And Registers 2.1 Functional Pin Description . . 3-142 VCC and VSS- I 2.1.2 2.1.3 2.1.4 IRQ. XTAL and EXTAL. TIMER. . . ... 3-142 3-142 . 3-142 . 3-142 RESET. - . . . .. 3-142 MDS. 3-143 Input/Output Lines (PA4-PA7, PBO-PB7) . ... 3-143 2.2 Memory. 3-143 2.3 Central Processing Unit. .. .... 3-143 2.4 Registers . . 3-145 Accumulator (A). 3-145 Indirect Registers (X, Y) .. ....