NUC122SD2AN Datasheet, PDF (3/65 Pages) List of Unclassifed Manufacturers – ARM Cortex®-M0 32-BIT MICROCONTROLLER

NuMicro^ NUC122 Datasheet
5.8.1 Overview ........................................................................................................................39
5.8.2 Features .........................................................................................................................39
5.9 Serial Peripheral Interface (SPI) ................................................................................... 40
5.10
5.9.1 Overview ........................................................................................................................40
5.9.2 Features .........................................................................................................................40
Timer Controller (TMR)................................................................................................. 41
5.11
5.10.1 Overview ......................................................................................................................41
5.10.2 Features .......................................................................................................................41
Watchdog Timer (WDT)................................................................................................ 42
5.11.1 Features .......................................................................................................................43
5.12 UART Interface Controller (UART) ............................................................................... 44
5.13
5.12.1 Overview ......................................................................................................................44
5.12.2 Features .......................................................................................................................46
PS/2 Device Controller (PS2D)..................................................................................... 47
5.13.1 Overview ......................................................................................................................47
5.13.2 Features .......................................................................................................................47
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FLASH MEMORY CONTROLLER (FMC) ................................................................................ 48
6.1 Overview ....................................................................................................................... 48
6.2 Features ........................................................................................................................ 48
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ELECTRICAL CHARACTERISTICS ......................................................................................... 49
7.1 Absolute Maximum Ratings .......................................................................................... 49
7.2 DC Electrical Characteristics ........................................................................................ 50
7.2.1 NuMicro^ NUC122 DC Electrical Characteristics ...........................................................50
7.3 AC Electrical Characteristics ........................................................................................ 54
7.3.1 External 4~24 MHz High Speed Crystal AC Electrical Characteristics ...........................54
7.3.2 External 4~24 MHz High Speed Crystal .........................................................................54
7.3.3 External 32.768 KHz Low Speed Crystal........................................................................55
7.3.4 Internal 22.1184 MHz High Speed Oscillator..................................................................55
7.3.5 Internal 10 KHz Low Speed Oscillator ............................................................................55
7.4 Analog Characteristics .................................................................................................. 56
7.4.1 Specification of LDO & Power management ..................................................................56
7.4.2 Specification of Low Voltage Reset ................................................................................57
7.4.3 Specification of Brownout Detector ................................................................................57
7.4.4 Specification of Power-On Reset (5 V) ...........................................................................57
7.4.5 Specification of USB PHY ..............................................................................................58
7.5 SPI Dynamic Characteristics ........................................................................................ 59
7.5.1 Dynamic Characteristics of Data Input and Output Pin...................................................59
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PACKAGE DIMENSIONS ......................................................................................................... 61
8.1 64L LQFP (7x7x1.4mm footprint 2.0 mm) .................................................................... 61
8.2 48L LQFP (7x7x1.4mm footprint 2.0mm) ..................................................................... 62
8.3 33L QFN (5x5x0.8mm) ................................................................................................. 63
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REVISION HISTORY ................................................................................................................ 64
May 16, 2014
Page 3 of 65
Revision 1.09