MC9S08QA2 datasheet(3/32 Pages) FREESCALE

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MCU Block Diagram

MC9S08QA4 Series MCU Data Sheet, Rev. 3

Freescale Semiconductor

3

1

MCU Block Diagram

The block diagram, Figure 1, shows the structure of the MC9S08QA4 MCU.

Figure 1. MC9S08QA4 Series Block Diagram

2

Pin Assignments

This section shows the pin assignments in the packages available for the MC9S08QA4 series.

USER FLASH

USER RAM

(MC9S08QA4 = 4096 BYTES)

HCS08 CORE

CPU

BDC

NOTES:

1 Port pins are software configurable with pullup device if input port.

2 Port pins are software configurable for output drive strength.

3 Port pins are software configurable for output slew rate control.

4 IRQ contains a software configurable (IRQPDD) pullup device if PTA5 enabled as IRQ pin function (IRQPE = 1).

5 RESET contains integrated pullup device if PTA5 enabled as reset pin function (RSTPE = 1).

6 PTA4 contains integrated pullup device if BKGD enabled (BKGDPE = 1).

7 When pin functions as KBI (KBIPEn = 1) and associated pin is configured to enable the pullup device, KBEDGn can

be used to reconfigure the pullup as a pulldown device.

16-BIT TIMER/PWM

MODULE (TPM)

HCS08 SYSTEM CONTROL

RESETS AND INTERRUPTS

MODES OF OPERATION

POWER MANAGEMENT

RTI

COP

IRQ

LVD

8-BIT MODULO TIMER

MODULE (MTIM)

(MC9S08QA2 = 2048 BYTES)

VOLTAGE REGULATOR

PTA5//IRQ/TCLK/RESET

PTA4/ACMPO/BKGD/MS

PTA3/KBIP3/ADP3

PTA2/KBIP2/ADP2

PTA1/KBIP1/ADP1/ACMP–

PTA0/KBIP0/TPMCH0/ADP0/ACMP+

8-BIT KEYBOARD

INTERRUPT MODULE (KBI)

(MC9S08QA4 = 256 BYTES)

(MC9S08QA2 = 160BYTES)

DEBUG MODULE (DBG)

ANALOG COMPARATOR

(ACMP)

16 MHz INTERNAL CLOCK

SOURCE (ICS)

VSS

VDD

VSSA

VDDA

VREFL

VREFH

4

ANALOG-TO-DIGITAL

CONVERTER (ADC)

10-BIT

TPMCH0

ACMPO

ACMP–

TCLK

BKGD/MS

IRQ

ACMP+

4

Số phần tương tự - MC9S08QA2

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Freescale Semiconductor...	MC9S08QA2	2Mb / 32P	8-bit HCS08 Central Processor Unit (CPU)
	MC9S08QA2CDNE	2Mb / 32P	8-bit HCS08 Central Processor Unit (CPU)
	MC9S08QA2CFQE	2Mb / 32P	8-bit HCS08 Central Processor Unit (CPU)
	MC9S08QA2CPAE	2Mb / 32P	8-bit HCS08 Central Processor Unit (CPU)

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Mô tả tương tự - MC9S08QA2

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