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MB9AF115NA Datasheet(PDF) 8 Page - SPANSION |
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MB9AF115NA Datasheet(HTML) 8 Page - SPANSION |
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8 / 121 page  D a t a S h e e t December 16, 2014, MB9A110A-DS706-00011-3v0-E 5 CONFIDENTIAL External Interrupt Controller Unit Up to 16 external interrupt input pins. Include one non-maskable interrupt (NMI) input pin. 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 to. Capable of pull-up control per pin Capable of reading pin level directly Built-in the port relocate function Up to 83 fast General Purpose I/O Ports @ 100pin Package Some ports are 5V tolerant I/O (MB9AF115MA/NA, MB9AF116MA/NA only) Please see "PIN DESCRIPTION" to confirm the corresponding pins. CRC (Cyclic Redundancy Check) Accelerator The CRC accelerator calculates the CRC which has a heavy software processing load, and achieves a reduction of the integrity check processing load for reception data and storage. 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] Selectable from five clock sources (2 external oscillators, 2 built-in CR oscillators, and Main PLL). Main Clock : 4MHz to 48MHz Sub Clock : 32.768kHz Built-in high-speed CR Clock: 4MHz Built-in low-speed CR Clock : 100kHz Main PLL Clock [Resets] Reset requests from INITX pins Power-on reset Software reset Watchdog timers reset Low-voltage detector reset Clock supervisor reset Clock Super Visor (CSV) Clocks generated by built-in CR oscillators are used to supervise abnormality of the external clocks. External clock failure (clock stop) is detected, reset is asserted. External frequency anomaly is detected, interrupt or reset is asserted. |
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