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PDF MM912H634CV1AE Data sheet ( Hoja de datos )
| Número de pieza | MM912H634CV1AE | |
| Descripción | Integrated S12 Based Relay Driver | |
| Fabricantes | Freescale Semiconductor | |
| Logotipo |  |
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Freescale Semiconductor
Advance Information
Document Number: MM912_634D1
Rev. 4.0, 5/2011
Integrated S12 Based Relay
Driver with LIN
The MM912G634 (48 kB) and MM912H634 (64 kB) are
integrated single package solutions 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, 64/48 kByte P-FLASH,
• 6.0 kByte RAM; 4/2 kByte D-FLASH
• Background debug (BDM) & debug module (DBG)
• Die to Die bus interface for transparent memory mapping
• On-chip oscillator & two independent watchdogs
•wwLwIN.D2at.a1ShPeehty4Usi.nceatl Layer Interface with integrated SCI
• 10 digital MCU GPIOs shared with SPI (PA7…0, PE1…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)
MM912_634
48-PIN LQFP, 7.0 mm x 7.0 mm
AE SUFFIX: Exposed Pad Option
AP SUFFIX: Non Exposed Pad Option
ORDERING INFORMATION
See Page 2.
• Six high voltage / Wake-up inputs (L5…0)
• Three low voltage GPIOs (PB2…0)
• 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)
Battery Sense
Power Supply
LIN Interface
ADC Supply
2.5 V Suppy
5.0 V Supply
Digital Ground
Reset
5.0 V Digital I/O
Debug and External
Oscillator
MCU Test
VSENSE
VS1
VS2
MM912_634 LS1
PGND
LIN
LGND
ADC25
LS2
AGND
VDD
VDDD2D
VDDX
ISENSEH*
ISENSEL*
HSUP
VDDRX
DGND
VSSD2D
VSSRX
PTB0/AD0/RX/TIM0CH0
PTB1/AD1/TX/TIM0CH1
RESET PTB2/AD2/PWM/TIM0CH2
RESET_A
HS1
PA0/MISO
PA1/MOSI
PA2/SCK
HS2*
PA3/SS
PA4
PA5
PA6
L0
L1
L2
PA7 L3
BKGD/MODC
L4*
PE0/EXTAL
L5*
PE1/XTAL
TCLK
TEST
TEST_A
* Feature not availablre in all Analog Options
M
Hall Sensor Hall Sensor
Figure 1. Simplified Application Diagram
Low Side Drivers
Current Sense Moe
Hall Sensor Supply
5.0 V GPI/O with optional
pull-up (shared with ADC,
PWM, Timer, and SCI)
12 V Light/LED and
Switch Supply
Analog/Digita inputs
(High Voltage and Wake-up
capable)
Analog Test
This document contains certain information on a new product. Specifications and information herein
are subject to change without notice.
© Freescale Semiconductor, Inc., 2010-2011. All rights reserved.
1 page  
5 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
5.1 Package Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .344
Freescale Semiconductor
MM912_634 Advance Information, Rev. 4.0
5
5 Page 
Pin Assignment
Pin #
37
38
39
40
41
42
43
44
45
46
47
48
Pin Name
LS1
PGND
LS2
ISENSEL
ISENSEH
NC
TEST_A
TCLK
RESET_A
RESET
BKGD
PA7
Table 4. MM912_634 Pin Description
Formal Name
Description
Low Side Output 1
Low Side output 1 used to drive small inductive loads like relays. The output is
short-circuit protected, includes active clamp circuitry and can be also controlled by
the PWM module.
See Section 4.13, “Low Side Drivers - LSx
Power Ground Pin
This pin is the device Low Side Ground connection. DGND, LGND and AGND are
internally connected to PGND via a back to back diode.
Low Side Output 2
Low Side output 2 used to drive small inductive loads like relays. The output is
short-circuit protected, includes active clamp circuitry and can be also controlled by
the PWM module.
See Section 4.13, “Low Side Drivers - LSx
Current Sense Pin L
Current Sense differential input “Low”. This pin is used in combination with
ISENSEH to measure the voltage drop across a shunt resistor. See Section 4.21,
“Current Sense Module - ISENSE. Note: This pin function is not available on all
device configurations.
Current Sense Pin H
Current Sense differential input “High”. This pin is used in combination with
ISENSEL to measure the voltage drop across a shunt resistor. Section 4.21,
“Current Sense Module - ISENSE. Note: This pin function is not available on all
device configurations.
Not connected
This pin is reserved for alternative function and should be left floating.
Test Mode
Analog die Test Mode pin for Test Mode only. This pin must be grounded in user
mode!
Test Clock Input
Test Mode Clock Input pin for Test Mode only. The pin can be used to disable the
internal watchdog for development purpose in user mode. See Section 4.10,
“Window Watchdog. The pin is recommended to be grounded in user mode.
Reset I/O
Bidirectional Reset I/O pin of the analog die. Active low signal. Internal pull-up. VDDX
based. See Section 4.8, “Resets. To be externally connected to the RESET pin.
MCU Reset
The RESET pin is an active low bidirectional control signal. It acts as an input to
initialize the MCU to a known start-up state, and an output when an internal MCU
function causes a reset. The RESET pin has an internal pull-up device to EVDDX.
MCU Background Debug
and Mode
The BKGD/MODC pin is used as a pseudo-open-drain pin for the background
debug communication. It is used as MCU operating mode select pin during reset.
The state of this pin is latched to the MODC bit at the rising edge of RESET. The
BKGD pin has a pull-up device.
MCU PA7
General purpose port A input or output pin 7. See Section 4.28, “Port Integration
Module (S12IPIMV1)
2.2 MCU Die Signal Properties
This section describes the external MCU signals. It includes a table of signal properties.
Table 5. Signal Properties Summary
Pin
Name
Function 1
PE0
PE1
RESET
TEST
BKGD
PA7
Pin
Name
Function 2
EXTAL
XTAL
—
—
MODC
—
Freescale Semiconductor
Power
Supply
Internal Pull
Resistor
CTRL
VDDRX
VDDRX
VDDRX
N.A.
VDDRX
VDDRX
PUPEE/
OSCPINS_EN
PUPBE/
OSCPINS_EN
PULLUP
RESET pin
BKPUE
NA
MM912_634 Advance Information, Rev. 4.0
Reset
State
DOWN
DOWN
DOWN
UP
NA
Description
Port E I/O, Oscillator pin
Port E I/O, Oscillator pin
External reset
Test input
Background debug
Port A I/O
11
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| PDF Descargar | [ Datasheet MM912H634CV1AE.PDF ] | |
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