MC68HC908AS32AVFN 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC68HC908AS32AVFN

Microcontrollers

Freescale Semiconductor 

MCU Block Diagram

M68HC08 CPU

CPU

REGISTERS

ARITHMETIC/LOGIC

UNIT (ALU)

CONTROL AND STATUS REGISTERS

USER FLASH — 32, 256 BYTES

USER RAM — 1024 BYTES

USER EEPROM — 512 BYTES

MONITOR ROM — 256 BYTES

USER FLASH VECTOR SPACE — 52 BYTES

OSC1

OSC2

CGMXFC

CLOCK GENERATOR

MODULE

RST

SYSTEM INTEGRATION

MODULE

IRQ

IRQ MODULE

VREFH

ANALOG-TO-DIGITAL

MODULE

BREAK MODULE

LOW-VOLTAGE INHIBIT

MODULE

COMPUTER OPERATING

PROPERLY MODULE

6-CHANNEL TIMER

INTERFACE MODULE

PROGRAMMABLE INTERRUPT

TIMER MODULE

SERIAL COMMUNICATIONS

INTERFACE MODULE

SERIAL PERIPHERAL

INTERFACE MODULE

BYTE DATA LINK CONTROLLER

POWER-ON RESET

MODULE

BDRxD

BDTxD

VSS

VDD

VDDA

VSSA

POWER

AVSS/VREFK

VDDAREF

Figure 1-1. MCU Block Diagram for the MC68HC908AS32A

PTA7–PTA0

PTB7/ATD7–

PTB0/ATD0

PTC4

PTC3

PTC2/MCLK

PTC1–PTC0

PTD6/ATD14/TCLK

PTD5/ATD13

PTA4/ATD12

PTD3/ATD11–

PTD0/ATD8

PTE7/SPSCK

PTE6/MOSI

PTE5/MISO

PTE4/SS

PTE3/TCH1

PTE2/TCH0

PTE1/RxD

PTE0/TxD

PTF3/TCH5–

PTF0/TCH2

MC68HC908AS32A Data Sheet, Rev. 2.0

Freescale Semiconductor

21

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