MB9B210T datasheet(9/137 Pages) SPANSION

9 / 137 page

D a t a S h e e t

MB9B210T-DS706-00015-3v0-E, February 10, 2015

CONFIDENTIAL

 Clock and Reset

[Clocks]

Five clock sources (2 external oscillators, 2 internal CR oscillator, and Main PLL) that are dynamically

selectable.

 Main Clock:

4 MHz to 50 MHz

 Sub Clock:

32.768 kHz

 High-speed internal CR Clock:

4 MHz

 Low-speed internal CR Clock:

100 kHz

 Main PLL Clock

[Resets]

 Reset requests from INITX pin

 Power on reset

 Software reset

 Watchdog timers reset

 Low-voltage detector reset

 Clock supervisor reset

 Clock Super Visor (CSV)

Clocks generated by internal CR oscillators are used to supervise abnormality of the external clocks.

 External OSC clock failure (clock stop) is detected, reset is asserted.

 External OSC frequency anomaly is detected, interrupt or reset is asserted.

 Low-Voltage Detector (LVD)

This Series include 2-stage monitoring of voltage on the VCC pins. When the voltage falls below the

voltage has been set, Low-Voltage Detector generates an interrupt or reset.

 LVD1: error reporting via interrupt

 LVD2: auto-reset operation

 Low Power Mode

Three Low Power Consumption modes supported.

 SLEEP

 TIMER

 STOP

 Debug

 Serial Wire JTAG Debug Port (SWJ-DP)

 Embedded Trace Macrocells (ETM) provide comprehensive debug and trace facilities.

 Power Supply

Four Power Supplies

 Wide range voltage VCC

= 2.7 V to 5.5 V

 USBVCC0

= 3.0 V to 3.6 V: for USB ch.0 I/O voltage, when USB ch.0 is used.

= 2.7 V to 5.5 V: when GPIO is used.

 USBVCC1

= 3.0 V to 3.6 V: for USB ch.1 I/O voltage, when USB ch.1 is used.

= 2.7 V to 5.5 V: when GPIO is used.

 ETHVCC

= 3.0 V to 5.5 V: for Ethernet I/O voltage, when Ethernet is used.

= 2.7 V to 5.5 V: when GPIO is used.

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