26.5 Possible Pin Assignments for Alternate Functions ....................................................... 1811
26.6 Connections for Unused Signals ................................................................................. 1816
27 Electrical Characteristics .................................................................................. 1818
27.1 Maximum Ratings ...................................................................................................... 1818
27.2 Operating Characteristics ........................................................................................... 1819
27.3 Recommended Operating Conditions ......................................................................... 1820
27.3.1 DC Operating Conditions ........................................................................................... 1820
27.3.2 Recommended GPIO Operating Characteristics .......................................................... 1820
27.4 Load Conditions ........................................................................................................ 1823
27.5 JTAG and Boundary Scan .......................................................................................... 1824
27.6 Power and Brown-Out ............................................................................................... 1826
27.6.1 V
DDA
Levels .............................................................................................................. 1826
27.6.2 V
DD
Levels ................................................................................................................ 1827
27.6.3 V
DDC
Levels .............................................................................................................. 1828
27.6.4 Response ................................................................................................................. 1829
27.7 Reset ........................................................................................................................ 1831
27.8 On-Chip Low Drop-Out (LDO) Regulator ..................................................................... 1834
27.9 Clocks ...................................................................................................................... 1835
27.9.1 PLL Specifications ..................................................................................................... 1835
27.9.2 PIOSC Specifications ................................................................................................ 1837
27.9.3 Low-Frequency Internal Oscillator Specifications ......................................................... 1837
27.9.4 Hibernation Clock Source Specifications ..................................................................... 1837
27.9.5 Main Oscillator Specifications ..................................................................................... 1838
27.9.6 System Clock Specification with ADC Operation .......................................................... 1842
27.9.7 System Clock Specification with USB Operation .......................................................... 1842
27.10 Sleep Modes ............................................................................................................. 1843
27.11 Hibernation Module ................................................................................................... 1845
27.12 Flash Memory ........................................................................................................... 1847
27.13 EEPROM .................................................................................................................. 1848
27.14 Input/Output Pin Characteristics ................................................................................. 1849
27.14.1 Types of I/O Pins and ESD Protection ......................................................................... 1851
27.15 External Peripheral Interface (EPI) .............................................................................. 1853
27.16 Analog-to-Digital Converter (ADC) .............................................................................. 1861
27.17 Synchronous Serial Interface (SSI) ............................................................................. 1867
27.18 Inter-Integrated Circuit (I
2
C) Interface ......................................................................... 1870
27.19 Ethernet Controller .................................................................................................... 1871
27.19.1 DC Characteristics .................................................................................................... 1871
27.19.2 Clock Characteristics ................................................................................................. 1871
27.19.3 AC Characteristics ..................................................................................................... 1872
27.20 Universal Serial Bus (USB) Controller ......................................................................... 1875
27.21 Analog Comparator ................................................................................................... 1877
27.22 Pulse-Width Modulator (PWM) ................................................................................... 1879
27.23 Current Consumption ................................................................................................ 1880
A Package Information .......................................................................................... 1885
A.1 Orderable Devices ..................................................................................................... 1885
A.2 Device Nomenclature ................................................................................................ 1885
A.3 Device Markings ........................................................................................................ 1885
A.4 Packaging Diagram ................................................................................................... 1887
11June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller