CEC1712 datasheet(3/338 Pages) MICROCHIP

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DS00003416C-page 3

CEC1712

- Programmable Blink Rates

- Piecewise Linear Breathing LED Output Con-

troller

- Provides for programmable rise and fall

waveforms

- Operational in EC Sleep States

- Both 5V tolerant LED pins

Analog Features

• ADC Interface

- 10-bit or 12-bit readings supported

- ADC Conversion time 500nS/channel

- 5 Channels

- External voltage reference

- Supports thermistor temperature readings

Battery Powered Peripherals

• Real Time Clock (RTC)

- VBAT Powered

- 32KHz Crystal Oscillator orExternal single-

ended 32 kHz clock source

- Time-of-Day and Calendar Registers

- Programmable Alarms

- Supports Leap Year and Daylight Savings

Time

• Hibernation Timer Interface

- Two 32.768 KHz Driven Timers

- Programmable Wake-up from 0.5ms to 128

Minutes

• Week Timer

- System Power Present Input Pin

- Week Alarm Event only generated when

System Power is Available

- Power-up Event

- Week Alarm Interrupt with 1 Second to 8.5

Year Time-out

- Sub-Week Alarm Interrupt with 0.50 Seconds

- 72.67 hours time-out

- 1 Second and Sub-second Interrupts

• VBAT-Powered Control Interface (VCI)

- 2 Active-low VCI Inputs

- System Power Present Detection for gating

RTC wake events

- Optional filter

• Battery- powered General purpose Output

(BGPO)

Debug Features

• 2-pin Serial Wire Debug (SWD) interface

• 4-Pin JTAG interface for Boundary Scan

• Trace FIFO Debug Port (TFDP)

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