mm912f634 Freescale Semiconductor, Inc, mm912f634 Datasheet

mm912f634

Manufacturer Part Number

mm912f634

Description

Mm912f634 - Integrated S12 Based Relay Driver With Lin

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MM912F634.pdf (335 pages)

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Freescale Semiconductor

Advanced Information

Integrated S12 Based Relay

Driver with LIN

The MM912F634 is an integrated single package solution that

integrates an HCS12 microcontroller with a SMARTMOS

analog control IC. The Die to Die Interface (D2D) controlled

analog die combines system base chip and application specific

functions, including a LIN transceiver.

Features

• 16-Bit S12 CPU, 32 kByte FLASH, 2.0 kByte RAM

• Background Debug (BDM) & Debug Module (DBG)

• Die to Die bus interface for transparent memory mapping

• On-chip oscillator & two independent watchdogs

• LIN 2.1 Physical Layer Interface with integrated SCI

• Six digital MCU GPIOs shared with SPI (PA5…0)

• 10-Bit, 15 Channel - Analog to Digital Converter (ADC)

• 16-Bit, 4 Channel - Timer Module (TIM16B4C)

• 8-Bit, 2 Channel - Pulse width modulation module (PWM)

• Six high voltage / Wake-up inputs (L5.0)

• Three low voltage GPIOs (PB2.0)

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

Digital Ground

Battery Sense

Power Supply

LIN interface

5V digital I/O

ADC Supply

2.5V Supply

Debug and

5V Supply

MCU Test

Oscillator

external

Reset

VSENSE

VS1

VS2

LIN

LGND

ADC2p5

AGND

VDD

EVDD

VDDX

EVDDX

DGND

EVSS

EVSSX

RESET

RESET_A

PA0/MISO

PA1/MOSI

PA2/SCK

PA3/SS

PA4

PA5

BKGD/MODC

EXTAL

XTAL

TEST

Figure 1. Simplified Application Diagram

Feature not available in all Analog Options

MM912F634

PTB2/AD2/PWM/TIM0CH2

PTB0/AD0/RX/TIM0CH0

PTB1/AD1/TX/TIM0CH1

ISENSEH

ISENSEL

TEST_A

PGND

HSUP

TCLK

HS2

HS1

LS1

LS2

• Low Power Modes with cyclic sense & forced wake-up

• Current Sense Module with selectable gain

• Reverse Battery protected Voltage Sense Module

• Two protected low side outputs to drive inductive loads

• Two protected high side outputs

• Chip temperature sensor

• Hall sensor supply

• Integrated voltage regulator(s)

Hall Sensor

ORDERING INFORMATION

MM912F634

Hall Sensor

48-PIN LQFP-EP, 7.0 mm x 7.0 mm

AE SUFFIX: Exposed Pad Option

48-PIN LQFP, 7.0 mm x 7.0 mm

AP SUFFIX: Non-exposed Pad Option

Document Number: MM912F634

See Page 2.

Low-Side Drivers

Current Sense Module

Hall Sensor supply

5V GPI/O with optional

pull-up (shared with

ADC, PWM, Timer, SCI)

12V Light/LED

and switch supply

Analog/Digital Inputs

(High Voltage- and Wake

Up capable)

Analog Test

Rev. 5.0, 11/2010

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