MM908E624ACDWB/R Motorola, MM908E624ACDWB/R Datasheet - Page 17

• Manufacturer Part Number: MM908E624ACDWB/R
• Description: TRIPLE HIGH-SIDE SWITCH WITH EMBEDDED MCU AND LIN
• Manufacturer: Motorola

integrated and cost-effective solution for automotive and
industrial applications. For automotive body electronics, the
908E624 is well suited to perform relay control in applications
like window lift, sunroof, etc., via a three-wire LIN bus.
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
page 1, 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.
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.
Analog Integrated Circuit Device Data
Freescale Semiconductor
The 908E624 was designed and developed as a highly
The device combines an HC908EY16 MCU core with flash
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
The PTB0/AD0 and PTB2/AD2 terminals are not
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, 908E624 Simplified Application
page 3
for a depiction of the terminal locations on
SS
terminal is likewise not accessible.
FUNCTIONAL TERMINAL DESCRIPTION
FUNCTIONAL DESCRIPTION
Diagram,
INTRODUCTION
high-side outputs. Other ports are also provided, which
include an operational amplifier port and two wake-up
terminals. An internal voltage regulator provides power to the
MCU chip.
communicates using a single wire. This enables this device
to be compatible with three-wire bus systems, where one wire
is used for communication, one for battery, and one for
ground.
PORT D I/O TERMINALS
function, bidirectional I/O port terminals that can also be
programmed to be timer terminals.
PORT E I/O TERMINAL
bidirectional I/O port terminals that can also be programmed
to be enhanced serial communication.
the 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
LOW.
EXTERNAL RESET TERMINAL (
startup state. It is driven LOW when any internal reset source
is asserted.
always activated, even when the reset terminal is pulled
LOW.
external pullup resistor.
MCU POWER SUPPLY TERMINALS (EVDD AND
EVSS)
terminals, respectively. The MCU operates from a single-
power supply.
Also included in this device is a LIN physical layer, which
PTD1/TACH1 and PTD0/TACH0/BEMF are special-
For details refer to the 68HC908EY16 datasheet.
PTE1/RXD and PTE0/TXD are special-function,
PTE0/TXD is internally connected to the TXD terminal of
For details refer to the 68HC908EY16 datasheet.
The
For details refer to the 68HC908EY16 datasheet.
A logic [0] on the
This terminal contains an internal pullup resistor that is
Important To ensure proper operation, do not add any
For details refer to the 68HC908EY16 datasheet.
EVDD and EVSS are the power supply and ground
IRQ
terminal is an asynchronous external interrupt
RST
terminal forces the MCU to a known
IRQ
RST
terminal is pulled
Functional Description
)
IRQ
)
Introduction
908E624
17