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UCD3138ARMHR Datasheet(PDF) 7 Page - Texas Instruments |
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UCD3138ARMHR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 83 page  UCD3138A www.ti.com SLUSC66B – MARCH 2015 – REVISED MAY 2015 3 Device Comparison 3.1 Product Selection Matrix UCD3138A 64 PIN UCD3138A 40 PIN FEATURE (RGC) (RMH) ARM7TDMI-S core processor 31.25 MHz 31.25 MHz High resolution DPWM outputs (250-ps resolution) 8 8 Number of high speed independent feedback loops (number of regulated output 3 3 voltages) 12-bit, 267ksps, general-purpose ADC channels 14 7 Digital comparators at ADC outputs 4 4 Flash memory (program) 32 kB 32 kB Flash memory (data) 2 kB 2 kB Flash security √ √ RAM 4 kB 4 kB DPWM switching frequency up to 2 MHz up to 2 MHz Programmable fault inputs 4 1 + 2(1) High speed analog comparators with cycle-by-cycle current limiting 7(2) 6(2) UART (SCI) 2 1(1) PMBus √ √ Timers 4 (16 bit) and 1 (24 bit) 4 (16 bit) and 1 (24 bit) Timer PWM outputs 2 1 Timer capture inputs 1 1(1) Watchdog √ √ On chip oscillator √ √ Power-on reset and brown-out reset √ √ 64 Pin VQFN (9 mm × 9 40 Pin WQFN (6 mm × 6 Package offering mm) mm) Sync IN and sync OUT functions √ √ Total GPIO (includes all pins with multiplexed functions such as, DPWM, fault 30 18 inputs, SCI, and so forth) External interrupts 1 0 (1) This number represents an alternate pin out that is programmable via firmware. See the UCD3138A Digital Power Peripherals Programmer’s Manual for details. (2) To facilitate simple OVP and UVP connections both comparators B and C are connected to the AD03 pin. Copyright © 2015, Texas Instruments Incorporated Device Comparison 7 Submit Documentation Feedback Product Folder Links: UCD3138A |
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