MAX1480ACPI
Rs 485 optoisolated driver

Matrix keybord driver (4x4)

Microprocessore

The DS1233 (MCP130 450) EconoReset monitors two vital conditions for a microprocessor: power supply and external override. A precision temperature-compensated reference and comparator circuit are used to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 350ms to allow the power supply and processor to stabilize. The second function of the DS1233 is pushbutton reset control. The DS1233 debounces a pushbutton closure and will generate a 350ms reset pulse upon release.

Measures temperatures from -55°C to +125°C
in 0.5°C increments. Fahrenheit equivalent is
-67°F to 257°F in 0.9°F increments

DIL
256 bytes of E2 memory on board for storing
information such as frequency compensation
coefficients
Measures temperatures from -55°C to +125°C
in 0.5°C increments. Fahrenheit equivalent is
-67°F to 257°F in 0.9°F increments

FM25C160 FRAM
16K bit Ferroelectric Nonvolatile RAM
Organized as 2,048 x 8 bits
High Endurance 1 Trillion Read/Writes
10 year Data Retention
NoDelay™ Writes
Advanced High-Reliability Ferroelectric Process

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