Datasheet > 68HC05JB3

68HC05JB3

更新时间： 2024-01-07 20:20:08

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		微控制器
页数	文件大小	规格书
134页	1231K
描述
8-bit microcontroller units (MCUs)

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数据手册

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68HC05JB3 数据手册

Freescale Semiconductor, Inc.

GENERAL RELEASE SPECIFICATION

November 5, 1998

PULLREN – Port A, B, and C Pull-up/down Option

1 = Connected.

0 = Disconnected

PAINTEN – PA0-PA3 External Interrupt Option

1 = External interrupt capability on PA0-PA3 disabled.

0 = External interrupt capability on PA0-PA3 enabled.

OSCDLY – Oscillator Delay Option

1 = 224 internal clock cycles.

0 = 4064 internal clock cycles.

LVREN – LVR Option

1 = Low Voltage Reset circuit enabled.

0 = Low Voltage Reset circuit disabled.

$0000

I/O Registers

64 Bytes

$003F

I/O Registers

$0040

64 Bytes

Unused

48 Bytes

$006F

$0070

$003E

$003F

EPROM Program Control Register

User RAM

144 Bytes

$1FF0

Reserved

$00C0

$00FF

Reserved

$1FF1

$1FF2

$1FF3

$1FF4

$1FF5

$1FF6

$1FF7

$1FF8

$1FF9

$1FFA

$1FFB

$1FFC

$1FFD

$1FFE

$1FFF

64 Byte Stack

Reserved

Unused: 256 Bytes

Mask Option Register

Reserved

$01FF

MFT Vector (High Byte)

MFT Vector (Low Byte)

Timer1 Vector (High Byte)

Timer1 Vector (Low Byte)

USB Vector (High Byte)

USB Vector (Low Byte)

IRQ Vector (High Byte)

IRQ Vector (Low Byte)

SWI Vector (High Byte)

SWI Vector (Low Byte)

Reset Vector (High Byte)

Reset Vector (Low Byte)

Unused

4608 Bytes

$13FF

$1400

User EPROM

2560 Bytes

$1DFF

$1E00

Bootloader ROM

496 Bytes

$1FEF

$1FF0

User Vectors

16 Bytes

$1FFF

Figure A-1. MC68HC705JB3 Memory Map

MOTOROLA

A-2

MC68HC05JB3

REV 1

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