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MB9BF405NA Datasheet(PDF) 8 Page - SPANSION |
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MB9BF405NA Datasheet(HTML) 8 Page - SPANSION |
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8 / 109 page  D a t a S h e e t December 15, 2014, MB9B400A-DS706-00023-2v0-E 5 CONFIDENTIAL Dual Timer (Two 32/16bit Down Counter) The Dual Timer consists of two programmable 32/16-bit down counters. Operation mode is selectable from the followings for each channel. ・Free-running ・Periodic (=Reload) ・One-shot Watch Counter The Watch counter is used for wake up from sleep mode. ・Interval timer: up to 64s(Max.)@ Sub Clock : 32.768kHz Watch dog Timer (2channels) 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 the built-in low-speed CR oscillator. Therefore,”Hardware" watchdog is active in any low-power consumption modes except STOP mode. External Interrupt Controller Unit ・Up to 16 external vectors ・Include one non-maskable interrupt(NMI) General Purpose I/O Port This series can use its pins as general-purpose I/O ports when they are not used for external bus or peripherals. Moreover, the port relocate function is built in. It can set which I/O port the peripheral function can be allocated. ・Capable of pull-up control per pin ・Capable of reading pin level directly ・Built-in the port relocate function ・Up to 100 high-speed general-purpose I/O Ports@120pin Package 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 |
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