M68HC08 datasheet(17/188 Pages) FREESCALE

tên linh kiện	M68HC08

Giải thích chi tiết về linh kiện	Microcontrollers

PDF	188 Pages

Scroll/Zoom	100%

nhà sản xuất	FREESCALE [Freescale Semiconductor, Inc]

Trang chủ	http://www.freescale.com

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General Description

MCU Block Diagram

MC68HC908RF2 — Rev. 4.0

Data Sheet

MOTOROLA

General Description

Figure 1-1. MC68HC908RF2 MCU Block Diagram

SYSTEM INTEGRATION

MODULE

COMPUTER OPERATING

PROPERLY MODULE

SECURITY

MODULE

ARITHMETIC/LOGIC

UNIT (ALU)

CPU

REGISTERS

M68HC08 CPU

CONTROL AND STATUS REGISTERS — 32 BYTES

USER FLASH — 2031 BYTES

USER RAM — 128 BYTES

MONITOR ROM — 768 BYTES

USER FLASH VECTOR SPACE — 14 BYTES

KEYBOARD/INTERRUPT

MODULE

POWER

INTERNAL BUS

VDD

VSS

POWER-ON RESET

MODULE

LOW-VOLTAGE INHIBIT

MODULE

PTB2/TCH0

PTB3/TCLK

OSC1

OSC2

IRQ(1)

2-CHANNEL TIMER

MODULE

PTA0(2)

PTA1/KBD1(2) (3)

PTA2/KBD2(2) (3)

PTA3/KBD3(2) (3)

PTA4/KBD4(2) (3)

PTA5/KBD5(2) (3)

PTA7(2)

PTA6/KBD6(2) (3)

PTB1

PTB0/MCLK

RST(1)

SOFTWARE SELECTABLE

INTERNAL OSCILLATOR

MODULE

VCC

MODE

ENABLE

DATA

BAND

RFOUT

GNDRF

REXT

XTAL1

XTAL0

DATACLK

CFSK

UHF

TRANSMITTER

1. Pin contains integrated pullup resistor

2. High current sink pin

3. Pin contains software selectable pullup resistor

Freescale Semiconductor, Inc.

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