MM908E625ACDWB Freescale Semiconductor, MM908E625ACDWB Datasheet - Page 20

• Manufacturer Part Number: MM908E625ACDWB
• Description: IC QUAD HALF BRDG MCU/LIN 54SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MM908E625ACDWB

• Applications: Automotive Mirror Control
• Core Processor: HC08
• Program Memory Type: FLASH (16 kB)
• Controller Series: 908E
• Ram Size: 512 x 8
• Interface: SCI, SPI
• Number Of I /o: 13
• Voltage - Supply: 8 V ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 54-SOIC (0.300", 7.50mm Width) Exposed Pad
• Program Memory Size: 16 KB
• Number Of Programmable I/os: 54
• Number Of Timers: 16
• Operating Supply Voltage: - 18 V to + 28 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Reset
external reset source, as explained in the paragraphs below.
Figure 8
Reset Internal Sources
Autonomous Watchdog
(watchdog function).
High-Temperature Reset
the temperature rises above a certain value. The reset is
maskable with bit HTRE in the Reset Mask Register. After a
reset the high-temperature reset is disabled.
Low-Voltage Reset
falls below a certain threshold, it will pull down the
terminal.
High-Voltage Reset
voltage is above a certain threshold, it will pull down the
terminal. The reset is maskable with bit HVRE in the Reset
Mask Register. After a reset the high-voltage reset is disabled.
908E625
20
The 908E625 chip has four internal reset sources and one
AWD modules generates a reset because of a timeout
To prevent damage to the device, a reset will be initiated if
The LVR is related to the internal V
The HVR is related to the external V
depicts the internal reset sources.
RST_A
VDD
DD
SUP
Freescale Semiconductor, Inc.
. In case the voltage
voltage. In case the
For More Information On This Product,
Figure 8. Internal Reset Routing
RST_A
Go to: www.freescale.com
RST
Low-Voltage Reset
_A
SPI REGISTERS
Reset External Source
External Reset Terminal
SMARTMOS device by pulling down the
Reset Mask Register (RMR)
TTEST—High-Temperature Reset Test
overtemperature shutdown limit for final test. Reset clears the
HTRE bit.
Reset
Read
AWDRE Flag
Write
HVRE Flag
HTRE Flag
The microcontroller has the capability of resetting the
This read/write bit is for test purposes only. It decreases the
• 1 = Low-temperature threshold enabled.
• 0 = Low-temperature threshold disabled.
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
TTEST
Bit7
0
Register Name and Address: RMR - $06
High-Temperature
Reset Sensor
High-Voltage
AWD Reset
Reset Sensor
Sensor
6
0
0
MONO
FLOP
5
0
0
4
0
0
3
0
0
RST
2
0
0
terminal.
HVRE
1
0
HTRE
Bit0
0