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MB9BF116R Datasheet(PDF) 8 Page - SPANSION |
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MB9BF116R Datasheet(HTML) 8 Page - SPANSION |
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8 / 121 page  D a t a S h e e t March 11, 2015, MB9B110R-DS706-00028-3v0-E 5 CONFIDENTIAL Watch Counter The Watch counter is used for wake up from power consumption mode. Interval timer: up to 64 s (Max) @ Sub Clock : 32.768 kHz External Interrupt Controller Unit ・ Up to 16 external interrupt input pin ・ Include one non-maskable interrupt (NMI) Watchdog Timer (Two channels) A watchdog timer can generate interrupts or a reset when a time-out value is reached. This series consists of two different watchdogs, a "Hardware" watchdog and a "Software" watchdog. "Hardware" watchdog timer is clocked by low-speed internal CR oscillator. Therefore, "Hardware" watchdog is active in any power consumption mode except Stop mode. CRC (Cyclic Redundancy Check) Accelerator The CRC accelerator helps a verify data transmission or storage integrity. CCITT CRC16 and IEEE-802.3 CRC32 are supported. ・ CCITT CRC16 Generator Polynomial: 0x1021 ・ IEEE-802.3 CRC32 Generator Polynomial: 0x04C11DB7 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 48 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. |
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Similar Description - MB9BF116R |
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