MM908E625ACDWB/R2 Motorola, MM908E625ACDWB/R2 Datasheet - Page 15

• Manufacturer Part Number: MM908E625ACDWB/R2
• Description: Integrated Quad Half H-Bridge with Power Supply / Embedded MCU / and LIN Serial Communication
• Manufacturer: Motorola

highly integrated and cost-effective solution for automotive and
industrial applications. For automotive body electronics, the
908E625 is well suited to perform complete mirror, door lock,
and light-levelling control all via a 3-wire LIN bus.
(68HC908EY16) with flash memory together with a
SMARTMOS IC chip. The SMARTMOS IC chip combines
power and control in one chip. Power switches are provided on
the SMARTMOS IC configured as half-bridge outputs with one
page 2, for a graphic representation of the various terminals
referred to in the following paragraphs. Also, see the terminal
diagram on
the package.
Port A I/O Terminals
terminals that are shared with other functional modules in the
MCU. PTA0:PTA4 are shared with the keyboard interrupt
terminals, KBD0:KBD4.
and is internally connected to the SPI clock terminal of the
analog die. The PTA6/
Port B I/O Terminals
terminals that are shared with other functional modules in the
MCU. All terminals are shared with the ADC module. The
PTB6:PTB7 terminals are also shared with the Timer B module.
the analog die, allowing diagnostic measurements to be
calculated; e.g., current recopy, V
terminal is not accessible in this device.
Port C I/O Terminals
terminals that are shared with other functional modules in the
MCU. For example, PTC2:PTC4 are shared with the ICG
module.
device and are internally connected to the MISO and MOSI SPI
terminals of the analog die.
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
The 908E625 device was designed and developed as a
This device combines an standard HC08 MCU core
See
These terminals are special-function, bidirectional I/O port
The PTA5/SPSCK terminal is not accessible in this device
For details refer to the 68HC908EY16 datasheet.
These terminals are special-function, bidirectional I/O port
PTB0/AD0 is internally connected to the ADOUT terminal of
For details refer to the 68HC908EY16 datasheet.
These terminals are special-function, bidirectional I/O port
PTC0/MISO and PTC1/MOSI are not accessible in this
For details refer to the 68HC908EY16 datasheet.
Figure 1, 908E625 Simplified Internal Block
page 3
for a depiction of the terminal locations on
SS
terminal is likewise not accessible.
SUP
Freescale Semiconductor, Inc.
, etc. The PTB2/AD2
SYSTEM/APPLICATION INFORMATION
For More Information On This Product,
FUNCTIONAL TERMINAL DESCRIPTION
Go to: www.freescale.com
Diagram,
INTRODUCTION
high-side switch. Other ports are also provided; they include
Hall-effect sensor input ports, analog input ports, and a
selectable HVDD terminal. An internal voltage regulator is
provided on the SMARTMOS IC chip, which provides power to
the MCU chip.
communicates using a single wire. This enables the device to
be compatible with 3-wire bus systems, where one wire is used
for communication, one for battery, and the third for ground.
Port D I/O Terminals
function, bidirectional I/O port terminals that can also be
programmed to be timer terminals.
connected to the BEMF output of the analog die in order to
evaluate the BEMF signal with a special BEMF module of the
MCU.
for generating the FGEN signal (PWM signal) if required by the
application.
Port E I/O Terminal
bidirectional I/O port terminals that can also be programmed to
be enhanced serial communication.
analog die. The connection for the receiver must be done
externally.
External Interrupt Terminal (
terminal. This terminal contains an internal pullup resistor that
is always activated, even when the
External Reset Terminal (
startup state.
system. It is driven LOW when any internal reset source is
asserted.
always activated, even when the reset terminal is pulled LOW.
Also included in this device is a LIN physical layer, which
PTD1/TACH1 and PTD0/TACH0/BEMF are special-
In step motor applications the PTD0 terminal should be
PTD1 terminal is recommended for use as an output terminal
PTE1/RXD and PTE0/TXD are special-function,
PTE0/TXD is internally connected to the TXD terminal of the
The
For details refer to the 68HC908EY16 datasheet.
A logic [0] on the
This terminal contains an internal pullup resistor that is
For details refer to the 68HC908EY16 datasheet.
IRQ
terminal is an asynchronous external interrupt
RST
is bidirectional, allowing a reset of the entire
RST
terminal forces the MCU to a known
RST
IRQ
IRQ
)
)
terminal is pulled LOW.
908E625
15