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LM3S8970 Datasheet, PDF (24/494 Pages) Texas Instruments – Stellaris® LM3S8970 Microcontroller | |||
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Architectural Overview
⢠Open drain enables
⢠Digital input enables
â Power
â On-chip Low Drop-Out (LDO) voltage regulator, with programmable output user-adjustable
from 2.25 V to 2.75 V
â Hibernation module handles the power-up/down 3.3 V sequencing and control for the core
digital logic and analog circuits
â Low-power options on controller: Sleep and Deep-sleep modes
â Low-power options for peripherals: software controls shutdown of individual peripherals
â User-enabled LDO unregulated voltage detection and automatic reset
â 3.3-V supply brown-out detection and reporting via interrupt or reset
â Flexible Reset Sources
â Power-on reset (POR)
â Reset pin assertion
â Brown-out (BOR) detector alerts to system power drops
â Software reset
â Watchdog timer reset
â Internal low drop-out (LDO) regulator output goes unregulated
â Additional Features
â Six reset sources
â Programmable clock source control
â Clock gating to individual peripherals for power savings
â IEEE 1149.1-1990 compliant Test Access Port (TAP) controller
â Debug access via JTAG and Serial Wire interfaces
â Full JTAG boundary scan
â Industrial-range 100-pin RoHS-compliant LQFP package
1.2 Target Applications
â Remote monitoring
â Electronic point-of-sale (POS) machines
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June 13, 2007
Luminary Micro Confidential-Advance Product Information
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