68HC05JB4 参数 Datasheet PDF下载

飞思卡尔半导体公司

1999年2月24日

常规版本规格

目录

部分

1.1

1.2

1.3

1.4

1.4.1

1.4.2

1.4.3

1.4.4

1.4.5

1.4.6

1.4.7

1.4.8

1.4.9

特点...................................................................................................... 1-1

MASK OPTIONS.............................................................................................. 1-2

MCU结构................................................ .......................................... 1-2

引脚功能说明............................................... ................... 1-4

V

DD

和V

OSC1 ， OSC2 ............................................... ................................................ 1 4

RESET......................................................................................................... 1-6

IRQ （可屏蔽中断请求） ............................................ 1-6 ....

V3.3 ............................................................................................................. 1-6

D +和D- .............................................. .................................................. ... 1-6

PA0 - PA7 ...................................................................................................... 1-6

PB0 ， PB4 ...................................................................................................... 1-7

PC0-PC5...................................................................................................... 1-7

2.1

2.2

2.3

2.4

I / O和控制寄存器............................................ ....................... 2-2

内存................................................................................................................. 2-2

ROM................................................................................................................. 2-2

I / O寄存器汇总............................................. .............................. 2-3

3.1

3.2

3.3

3.4

3.5

3.6

3.6.1

3.6.2

3.6.3

3.6.4

3.6.5

寄存器................................................. .................................................. 3-1

累加器（A ） .............................................. .......................................... 3-2

变址寄存器（ X） ............................................. ........................................ 3-2

堆栈指针（ SP ） ............................................. ....................................... 3-2

程序计数器（PC ） ............................................. .............................. 3-2

状态码寄存器（ CCR ） ............................................ ............... 3-3

半进位（ H-位） .......................................... .......................................... 3-3

中断屏蔽（ I位） ........................................... ......................................... 3-3

负标志位（ N位） ........................................... ........................................... 3-3

零位（Z位） ........................................... .................................................. 3-3

进位/借位位（C位） ......................................... ...................................... 3-4

4.1

4.2

4.3

4.4

中断向量................................................ .................................. 4-1

中断处理................................................ ............................ 4-2

RESET中断程序............................................... ................... 4-4

软件中断（ SWI ） ............................................. ........................ 4-4

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MC68HC05JB4

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