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參數資料
| 型號： | 68HC05BD2 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 8-Bit Microcontroller Units (MCU).(8位微控制器) |
| 中文描述： | 8位微控制器單元（MCU）。（8位微控制器） |
| 文件頁數： | 3/85頁 |
| 文件大小： | 302K |
| 代理商： | 68HC05BD2 |
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MOTOROLA
Page i
MC68HC05BD7 Rev. 2.0
GENERAL RELEASE SPECIFICATION
TABLE OF CONTENTS
SECTION 1
GENERAL DESCRIPTION ..............................................1
Features......................................................................................1
Hardware Features................................................................1
Software Features.................................................................3
Signal Description.......................................................................7
VDD and VSS........................................................................7
IRQ/VPP................................................................................7
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
1.1
1.1.1
1.1.2
1.2
1.2.1
1.2.2
1.2.3
SECTION 2
MEMORY .......................................................................11
COP..........................................................................................15
ROM .........................................................................................15
EPROM.....................................................................................15
RAM..........................................................................................15
2.1
2.2
2.3
2.4
SECTION 3
CPU CORE.....................................................................17
Registers...................................................................................17
Accumulator (A)...................................................................17
Index Register (X) ...............................................................18
Stack Pointer (SP)...............................................................18
Program Counter (PC) ........................................................18
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
3.1
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
SECTION 4
INTERRUPTS.................................................................21
CPU Interrupt Processing.........................................................21
Reset Interrupt Sequence.........................................................23
Software Interrupt (SWI)...........................................................23
4.1
4.2
4.3
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