DS1670S+

GENERAL
The DS1670 portable system controller is a circuit that incorporates many of the functions necessary for low-power portable products integrated into one chip.
The device provides a real-time clock (RTC), NV RAM controller, microprocessor monitor, and a 3-channel, 8-bit analog-to-digital converter (ADC). Communication with the DS1670 is established through a simple 3-wire interface.
FEATURES
• Provides Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap Year Compensation Valid Up to 2100 Power-Control Circuitry Supports System Power-On from Day/Time Alarm
• Microprocessor Monitor Halts Microprocessor During Power Fail Automatically Restarts Microprocessor after Power Failure Monitors Pushbutton for External Override Halts and Resets an Out-of-Control Microprocessor
• NV RAM Control Automatic Battery Backup and Write Protection to External SRAM
• 3-Channel, 8-Bit ADC
• Simple 3-Wire Interface
• 3.3V Operation
• Underwriters Laboratory (UL) Recognized