68HC05JB4 datasheet(3/134 Pages) FREESCALE

3 / 134 page

February 24, 1999

GENERAL RELEASE SPECIFICATION

MC68HC05JB4

MOTOROLA

REV 2

TABLE OF CONTENTS

Section

Page

SECTION 1

GENERAL DESCRIPTION

1.1

FEATURES ...................................................................................................... 1-1

1.2

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

1.3

MCU STRUCTURE.......................................................................................... 1-2

1.4

FUNCTIONAL PIN DESCRIPTION.................................................................. 1-4

1.4.1

VDD AND VSS .............................................................................................. 1-4

1.4.2

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

1.4.3

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

1.4.4

IRQ (MASKABLE INTERRUPT REQUEST)................................................ 1-6

1.4.5

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

1.4.6

D+ and D– ................................................................................................... 1-6

1.4.7

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

1.4.8

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

1.4.9

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

SECTION 2

MEMORY

2.1

I/O AND CONTROL REGISTERS ................................................................... 2-2

2.2

RAM ................................................................................................................. 2-2

2.3

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

2.4

I/O REGISTERS SUMMARY ........................................................................... 2-3

SECTION 3

CENTRAL PROCESSING UNIT

3.1

REGISTERS .................................................................................................... 3-1

3.2

ACCUMULATOR (A)........................................................................................ 3-2

3.3

INDEX REGISTER (X) ..................................................................................... 3-2

3.4

STACK POINTER (SP) .................................................................................... 3-2

3.5

PROGRAM COUNTER (PC) ........................................................................... 3-2

3.6

CONDITION CODE REGISTER (CCR) ........................................................... 3-3

3.6.1

Half Carry Bit (H-Bit) .................................................................................... 3-3

3.6.2

Interrupt Mask (I-Bit) .................................................................................... 3-3

3.6.3

Negative Bit (N-Bit) ...................................................................................... 3-3

3.6.4

Zero Bit (Z-Bit) ............................................................................................. 3-3

3.6.5

Carry/Borrow Bit (C-Bit) ............................................................................... 3-4

SECTION 4

INTERRUPTS

4.1

INTERRUPT VECTORS .................................................................................. 4-1

4.2

INTERRUPT PROCESSING............................................................................ 4-2

4.3

RESET INTERRUPT SEQUENCE .................................................................. 4-4

4.4

SOFTWARE INTERRUPT (SWI) ..................................................................... 4-4

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

68HC05JB4 bảng dữ liệu(PDF) 3 Page - Freescale Semiconductor, Inc

68HC05JB4 bảng dữ liệu(HTML) 3 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

bảng dữ liệu tải về

Link URL