Datasheet > PM912NE812AMAF

PM912NE812AMAF

更新时间： 2024-01-20 12:32:35

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
19页	476K
描述
S12P MCU and Multifunctional Ignition

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PM912NE812AMAF 数据手册

Document Number: MM912_P812

Rev. 1.0, 05/2012

Freescale Semiconductor

Advance Information

S12P MCU and Multifunctional

Ignition and Injector Driver

System In Package (SiP)

912_P812

The MM912xP812 is an engine control IC combining an MCU

(S12P) and analog control die (MC33812) intended for motorcycle

and other single/dual cylinders small engine control applications.

SMALL ENGINE CONTROL SIP

The MCU S12P has 6 KB RAM, and flash memory size of 96 KB

or 128 KB. The S12P family uses many of the same features found

on the S12XS family, including error correction code (ECC) on flash

memory, a separate data-flash module for diagnostic or data

storage, a fast analog-to-digital converter (ATD), and a frequency

modulated phase locked loop (IPLL) that improves the

electromagnetic compatibility (EMC) performance.

The analog control IC consists of three integrated low side drivers,

one pre-driver, a +5.0 V, voltage pre-regulator, an MCU watchdog

circuit, an ISO 9141 K-Line interface, and a parallel interface for

MCU communication. The three low side drivers are provided for

driving a fuel injector, a lamp or LED, and a relay or another injector

or fuel pump. The pre-driver is intended to drive either an insulated

gate bipolar transistor (IGBT) or a bipolar Darlington transistor to

control an ignition coil.

98ASA00371D

100 Pin LQFP-EP

Features:

• Designed to operate over the range of ~4.7 V ≤ VPWR ≤ 36 V

• Relay/injector/fuel pump driver—current limit—4.0 A typical

• Lamp driver—current limit—1.5 A typical

• All external outputs protected against short to battery and over-current

• VCC voltage pre-regulator provides +5.0 V power for the MCU

• MCU watchdog timer circuit with parallel refresh/time setting line

• ISO-9141 K-Line transceiver for communicating diagnostic messages

• All signal lines are accessible

• Also available with MC9S12XEP100 MCU for calibration

• For detailed specifications see data sheets for the MC33812 and MC9S12Pxxx

• Provides single package ECU for minimum PC board area

BAT

912_P812

Relay or

other load

5.0 V

VDD

VCCSENS

LAMPOUT

ROUT

Injector

INJOUT

IGNFB

VCCREF

IGNSUP

IGNOUTH

IGNOUTL

ISO9141

PAD0

PAD1

PAD2

PAD3

PAD4

PAD5

PAD6

PAD7

PAD9

MOSI

SCK

PWR

BAT

VPWR

LAMPIN

I/O

RIN

I/O

ISO9141

RESET

WDRFSH

I/O

INJIN

I/O

INJFLT

I/O

IGNIN

I/O

IGNFLT

I/O

RELFLT

I/O

MRX

RXD

MTX

TXD

Notes

1. Surge Voltage protection

recommended on VPWR

2. Not all connections on MCU shown

MISO

IRQ

PM1/TXCAN

PM0/RXCAN

TEST1

TM_EN, TEST2

WD_INH

PGND

DGND

EXTAL

XTAL

VSS

Figure 1. MM912_P812 Simplified Application Diagram

*This document contains certain information on a product under development.

Freescale reserves the right to change or discontinue this product without notice

12 3 4 5 6 7...19

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