MC9S12A128 datasheet(3/92 Pages) MOTOROLA

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MC9S12A128 Datasheet(PDF) 3 Page - Motorola, Inc

Part #	MC9S12A128

Description	Microcontroller unit (MCU)

Download	92 Pages

Scroll/Zoom	100%

Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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MC9S12A128 Device Guide — V01.01

Table of Contents

Section 1 Introduction

1.1

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.2

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.3

Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

1.4

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

1.5

Device Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

1.6

Part ID Assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Section 2 Signal Description

2.1

Device Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

2.2

Signal Properties Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.3

Detailed Signal Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.3.1

EXTAL, XTAL — Oscillator Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.3.2

RESET — External Reset Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.3.3

TEST — Test Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

2.3.4

VREGEN — Voltage Regulator Enable Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

2.3.5

XFC — PLL Loop Filter Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.3.6

BKGD / TAGHI / MODC — Background Debug, Tag High, and Mode Pin . . . . . . . . 29

2.3.7

PAD15 / AN15 / ETRIG1 — Port AD Input Pin of ATD1 . . . . . . . . . . . . . . . . . . . . . . 29

2.3.8

PAD[14:08] / AN[14:08] — Port AD Input Pins of ATD1 . . . . . . . . . . . . . . . . . . . . . . 29

2.3.9

PAD7 / AN07 / ETRIG0 — Port AD Input Pin of ATD0 . . . . . . . . . . . . . . . . . . . . . . . 29

2.3.10

PAD[06:00] / AN[06:00] — Port AD Input Pins of ATD0 . . . . . . . . . . . . . . . . . . . . . . 29

2.3.11

PA[7:0] / ADDR[15:8] / DATA[15:8] — Port A I/O Pins . . . . . . . . . . . . . . . . . . . . . . . 29

2.3.12

PB[7:0] / ADDR[7:0] / DATA[7:0] — Port B I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.3.13

PE7 / NOACC / XCLKS — Port E I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.3.14

PE6 / MODB / IPIPE1 — Port E I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

2.3.15

PE5 / MODA / IPIPE0 — Port E I/O Pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

2.3.16

PE4 / ECLK — Port E I/O Pin 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.3.17

PE3 / LSTRB / TAGLO — Port E I/O Pin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.3.18

PE2 / R/W — Port E I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.3.19

PE1 / IRQ — Port E Input Pin 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.3.20

PE0 / XIRQ — Port E Input Pin 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.3.21

PH7 / KWH7 — Port H I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

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