MEC1632 datasheet(2/636 Pages) MICROCHIP

2 / 636 page

MEC1632

DS00001592B-page 2

 2012-2018 Microchip Technology Inc.

• 18 x 8 Interrupt Capable Multiplexed Keyboard

Scan Matrix

- Optional Push-Pull Drive for Fast Signal

Switching

• Three independent Hardware Driven PS/2 Ports

- Fully functional on Main and/or Suspend

Power

- PS/2 Edge Wake Capable

• General Purpose I/O Pins

- 142 GPIOs

- 8 GPIO Pass-Through Port (GPTP)

- Glitch protection on all GPIO pins

-6 Battery-powered General Purpose Outputs

• Low Power Programmable LED Interface

- Supports three modes of operation:

- Blinking Mode with Programmable Blink Rates

- Breathing LED Output

-8-bit PWM

- Breathing LED Supports Piecewise-linear

Brightness Curves, Symmetric or Asymmetric

- Supports Low Power Operation in Blinking

and Breathing Modes

- Operates on Standby Power

- Operates in Chip's System Deepest Sleep State on

32kHz standby clock

- Operational in EC Sleep State

- Provides Three LED pins

- LED pin buffers capable of sinking up to 20 mA

• Programmable 16-bit Counter/Timer Interface

- Four Wake-capable 16-bit Auto-reloading

Counter/Timer Instances

- Four Operating Modes per Instance: Timer,

One-shot, Event and Measurement

- 4 External Inputs, 4 External Outputs

• Hibernation Timer Interface

- Two 32.768 KHz Driven Timers

- Programmable Wake-up from 0.5ms to 128

Minutes

• System Watch Dog Timer (WDT)

• Input Capture and Compare Timer

- 32-bit Free-running timer

- Six 32-bit Capture Registers

- Two 32-bit Compare Registers

- Capture, Compare and Overflow Interrupts

• BC-Link Interconnection Bus

- Two High Speed and one Low Speed Bus

Masters Controllers

• Two General Purpose Serial Peripheral Interface

Controllers (ECGP-SPI)

- One 3-pin EC-driven Full Duplex Serial Com-

munication Interface

- One 4-pin EC/Host-driven Full Duplex Serial

Communication Interface to SPI Flash Inter-

face

- Flexible Clock Rates

- SPI Burst Capable

• FAN Support

- Six Programmable Pulse-Width Modulator

(PWM) Outputs

- Multiple Clock Rates

- 16-Bit ‘On’ & 16-Bit ‘Off’ Counters

- Six Fan Tachometer Inputs

- 6 x 2 Capture/Compare Timer Interface

• ADC Interface

- 10-bit Conversion in 10

s

- 16 Channels

- Integral Non-Linearity of ±0.5 LSB; Differen-

tial Non-Linearity of ±0.5 LSB

• 2-Pin Debug Port with Standard 16C550 Register

Interface

- Accessible from Host and EC

- Programmable Input/output Pin Polarity

Inversion

- Programmable Main Power or Standby

Power Functionality

• Port 80h Debug Ports for BIOS Debug

- Two Ports, Assignable to Any LPC IO

Address

- 24-bit Timestamp with Adjustable Timebase

- 16-Entry FIFO

• Resistor/Capacitor Identification Detection

(RC_ID)

- Single Pin Interface to External Inexpensive

RC Circuit

- Replacement for Multiple GPIO’s

- Provides 8 Quantized States on One Pin

• Integrated Standby Power Reset Generator

- Reset Input Pin

- Reset Output Pin

• HDMI Consumer Electronics Control (CEC) Bus

Controller

• Clock Generator

- 32.768KHz Clock Source

- Low power 32KHz crystal oscillator

- Optional use of a crystal-free silicon oscillator with

±2% Accuracy

- Optional use of 32.768 KHz input Clock

- Operational on Suspend Power

- Programmable Clock Power Management

Control & Distribution

- 20.27 MHz silicon oscillator, ±2% Accuracy

• Real Time Clock

• Package

- 169 Pin LFBGA RoHS Compliant package

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