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UCD3138RMHR Datasheet(PDF) 2 Page - Texas Instruments |
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UCD3138RMHR Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 78 page  UCD3138 www.ti.com SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013 Contents 1 Introduction ........................................................................................................................ 6 1.1 Features ...................................................................................................................... 6 1.2 Applications .................................................................................................................. 7 2 Overview ............................................................................................................................ 7 2.1 Description ................................................................................................................... 7 2.2 Ordering Information ........................................................................................................ 8 2.3 Product Selection Matrix ................................................................................................... 8 2.4 Functional Block Diagram .................................................................................................. 9 2.5 UCD3138RGC 64 QFN – Pin Assignments ........................................................................... 10 2.6 Pin Functions (UCD3138RGC 64 QFN) ................................................................................ 10 2.7 UCD3138RHA 40 QFN – Pin Assignments ............................................................................ 12 2.8 UCD3138RMH 40 QFN With Corner Anchors – Pin Assignments ................................................. 13 2.9 Pin Functions (UCD3138RHA and UCD3138RMH) .................................................................. 14 3 Electrical Specifications ..................................................................................................... 15 3.1 ABSOLUTE MAXIMUM RATINGS ...................................................................................... 15 3.2 THERMAL INFORMATION .............................................................................................. 15 3.3 RECOMMENDED OPERATING CONDITIONS ....................................................................... 15 3.4 ELECTRICAL CHARACTERISTICS .................................................................................... 16 3.5 PMBus/SMBus/I 2C Timing ............................................................................................... 19 3.6 Power On Reset (POR) / Brown Out Reset (BOR) ................................................................... 20 3.7 Typical Clock Gating Power Savings ................................................................................... 21 3.8 Typical Temperature Characteristics ................................................................................... 22 4 Functional Overview .......................................................................................................... 23 4.1 ARM Processor ............................................................................................................ 23 4.2 Memory ..................................................................................................................... 23 4.2.1 CPU Memory Map and Interrupts ............................................................................ 23 4.2.1.1 Memory Map (After Reset Operation) ........................................................... 23 4.2.1.2 Memory Map (Normal Operation) ................................................................ 24 4.2.1.3 Memory Map (System and Peripherals Blocks) ................................................ 24 4.2.2 Boot ROM ....................................................................................................... 24 4.2.3 Customer Boot Program ....................................................................................... 25 4.2.4 Flash Management ............................................................................................. 25 4.3 System Module ............................................................................................................ 25 4.3.1 Address Decoder (DEC) ....................................................................................... 25 4.3.2 Memory Management Controller (MMC) .................................................................... 25 4.3.3 System Management (SYS) ................................................................................... 25 4.3.4 Central Interrupt Module (CIM) ............................................................................... 26 4.4 Peripherals ................................................................................................................. 27 4.4.1 Digital Power Peripherals ...................................................................................... 27 4.4.1.1 Front End ............................................................................................ 27 4.4.1.2 DPWM Module ..................................................................................... 28 4.4.1.3 DPWM Events ...................................................................................... 29 4.4.1.4 High Resolution DPWM ........................................................................... 31 4.4.1.5 Over Sampling ...................................................................................... 31 4.4.1.6 DPWM Interrupt Generation ...................................................................... 31 4.4.1.7 DPWM Interrupt Scaling/Range .................................................................. 31 4.5 DPWM Modes of Operation .............................................................................................. 32 4.5.1 Normal Mode .................................................................................................... 32 4.6 Phase Shifting ............................................................................................................. 34 4.7 DPWM Multiple Output Mode ............................................................................................ 35 4.8 DPWM Resonant Mode .................................................................................................. 36 2 Contents Copyright © 2012–2013, Texas Instruments Incorporated |
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