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68HC05BD2 Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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68HC05BD2 Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 85 page Page i MC68HC05BD7 Rev. 2.0 GENERAL RELEASE SPECIFICATION TABLE OF CONTENTS SECTION 1 GENERAL DESCRIPTION .............................................. 1 1.1 Features......................................................................................1 1.1.1 Hardware Features................................................................1 1.1.2 Software Features .................................................................3 1.2 Signal Description.......................................................................7 1.2.1 VDD and VSS........................................................................7 1.2.2 IRQ/VPP................................................................................7 1.2.3 EXTAL, XTAL ........................................................................7 1.2.3.1 Crystal Oscillator..............................................................7 1.2.4 RESET ..................................................................................8 1.2.5 PA0-PA7................................................................................8 1.2.6 PB0-PB5................................................................................8 1.2.7 PC0*/PWM8*-PC1*/PWM9* ..................................................8 1.2.8 PC2/PWM10/ADC0- PC5/PWM13/ADC3 .............................8 1.2.9 PC6/PWM14/VSYNO, PC7/PWM15/HSYNO .......................8 1.2.10 PD0*/SDA*, PD1*/SCL* ........................................................8 1.2.11 PD2***/CLAMP, PD3*/SOG ..................................................8 1.2.12 PWM0**-PWM7** ..................................................................9 1.2.13 HSYNC, VSYNC ...................................................................9 1.3 Options .......................................................................................9 SECTION 2 MEMORY ....................................................................... 11 2.1 COP ..........................................................................................15 2.2 ROM .........................................................................................15 2.3 EPROM.....................................................................................15 2.4 RAM..........................................................................................15 SECTION 3 CPU CORE..................................................................... 17 3.1 Registers...................................................................................17 3.1.1 Accumulator (A)...................................................................17 3.1.2 Index Register (X) ...............................................................18 3.1.3 Stack Pointer (SP)...............................................................18 3.1.4 Program Counter (PC) ........................................................18 3.1.5 Condition Code Register (CCR) ..........................................18 3.1.5.1 Half Carry Bit (H-Bit) ......................................................19 3.1.5.2 Interrupt Mask (I-Bit) ......................................................19 3.1.5.3 Negative Bit (N-Bit) ........................................................19 3.1.5.4 Zero Bit (Z-Bit) ...............................................................19 3.1.5.5 Carry/Borrow Bit (C-Bit) .................................................19 SECTION 4 INTERRUPTS................................................................. 21 4.1 CPU Interrupt Processing .........................................................21 4.2 Reset Interrupt Sequence.........................................................23 4.3 Software Interrupt (SWI) ...........................................................23 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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Similar Description - 68HC05BD2 |
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