MCZ33989EG Freescale Semiconductor, MCZ33989EG Datasheet - Page 23

• Manufacturer Part Number: MCZ33989EG
• Description: IC SYSTEM BASIS CHIP CAN 28-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MCZ33989EG

• Applications: *
• Interface: *
• Voltage - Supply: *
• Package / Case: 28-SOIC (7.5mm Width)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Normal, Standby, Sleep, and Stop). Modes 1 and 2 selection
is achieved through the SPI (register MCR, bit SAFE). Default
mode after reset is Mode 1.
of operation. Two modes (modes 1 and 2) are available and
can be selected through the SPI Safe bit. Default operation,
after reset or power-up, is Mode 1.
Analog Integrated Circuit Device Data
Freescale Semiconductor
1. Mode 1
2. Mode 2 (also called Safe mode)
These modes are independent of the SBC modes
Table 5
provides Reset and Watchdog output mode
RESET AND WATCHDOG PINS, SOFTWARE WATCHDOG OPERATIONS
wake-up.
• In mode 1–Reset is activated in case of V
• In mode 2–(Safe mode) Reset is not activated in case of
In both modes reset is active at device power-up and
watchdog not triggered. WD output is active low as soon
as reset goes low. It remains low as long as the watchdog
is not properly re-activated by the SPI.
watchdog fault. WD output has the same behavior as in
mode 1–The Watchdog output pin is a push-pull structure
driving external components of the application for signal
instance of an MCU wrong operation.
FUNCTIONAL DEVICE OPERATION
DD1
fall or
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