MEC1633 Low Power 32-Bit Mobile Embedded Controller System to EC Message Interface Product Features - 8042 Style Host Interface 3.3V Operation - Embedded Memory Interface ACPI Compliant Host Serial or Parallel IRQ Source Provides Two Windows to On-Chip SRAM for LPC Interface Host Access - Supports LPC Bus frequencies of 19.2MHz to Two Register Mailbox Command Interface 33MHz Host Access of Virtual Registers Without EC VTR (standby) and VBAT Power Planes Intervention - Low Standby Current in Sleep Mode - Mailbox Registers Interface Thirty-two 8-Bit Scratch Registers Configuration Register Set Two Register Mailbox Command Interface - Compatible with ISA Plug-and-Play Standard Two Register SMI Source Interface - EC-Programmable Base Address - ACPI Embedded Controller Interface ARC-625D Embedded Controller (EC) Four Instances 1 or 4 Byte Data transfer capable - 16 KB Single Cycle 32-bit Wide Dual-ported Full-duplex Register Access SRAM, Accessible as Closely Coupled Data - ACPI Power Management Interface Memory and Instruction Memory SCI Event-Generating Functions - 4KB Boot ROM Battery Backed Resources - 32 x 32 64 Fast Multiply - Divide Assist and Saturation Arithmetic - Power-Fail Status Register - Maskable Interrupt Aggregator/Accelerator - 32 KHz Clock Generator Interface - Week Alarm Timer Interface with Program- - Maskable Hardware Wake-Up Events mable Wake-up from 1ms to 45 Days - Sleep mode - VBAT-Powered Control Interface Six Wake-up Input Signals - JTAG Debug Port, Includes JTAG Master Optional Latching of Wake-up Inputs - MCU Serial Debug Port - VBAT-Backed 64 Byte Memory -1S Delay Register - 10-Channel DMA Interface Supports SMBus Four EC-based SMBus 2.0 Host Controllers Controllers and EC/Host GP-SPI Controllers - Allows Master or Dual Slave Operation Embedded Flash - Controllers are Fully Operational on Standby Power - 192 KB user space, 32-bit Access, 10 K 2 - DMA-driven I C Network Layer Hardware Cycles Endurance 2 -I C Datalink Compatibility Mode - Flash Security Enhancements - Multi-Master Capable 4K Boot Block Protection - Supports Clock Stretching Direct JTAG and Direct LPC-protected (2) Pages at or Near Top of Memory for Password - Programmable Bus Speed up to 400KHz Protection - Hardware Bus Access Fairness Interface - Multiple Flash Programming Options - SMBus Time-outs Interface - AMD-TSI Port JTAG programmable BIOS programmable - 12 Ports Assignable to Any Controller Programmable by EC at Power-on Using UART - 3 SMBus Isolation Switches Programmable on a Gang Programmer via Three Pairs of Ports Can Be Joined Gang-programmer Interface PECI Interface 3.0 Embedded Non-volatile Read/Write Memory 18 x 8 Interrupt Capable Multiplexed Keyboard - 2 KB of EEPROM, Single Byte Access, 250K Scan Matrix Cycles Endurance - Optional Push-Pull Drive for Fast Signal - 8-byte Block Erasable, 128 Blocks Switching - Independent of main Flash memory Legacy Support - Fast GATEA20 & Fast CPU RESET 2014 Microchip Technology Inc. DS00001775B-page 1MEC1633 Three independent Hardware Driven PS/2 Ports Multiple Clock Rates 16-Bit On & 16-Bit Off Counters - Fully functional on Main and/or Suspend - Six Fan Tachometer Inputs Power 6 x 2 Capture/Compare Timer Interface - PS/2 Edge Wake Capable ADC Interface General Purpose I/O Pins - 10-bit Conversion in 10s - 135 GPIOs - 16 Channels - 8 GPIO Pass-Through Port (GPTP) - Integral Non-Linearity of 0.5 LSB Differen- - Glitch protection on all GPIO pins tial Non-Linearity of 0.5 LSB -6 Battery-powered General Purpose Outputs 2-Pin Debug Port with Standard 16C550 Register Low Power Programmable LED Interface Interface - Supports three modes of operation: - Accessible from Host and EC Blinking Mode with Programmable Blink Rates - Programmable Input/output Pin Polarity Breathing LED Output 8-bit PWM Inversion - Breathing LED Supports Piecewise-linear - Programmable Main Power or Standby Brightness Curves, Symmetric or Asymmetric Power Functionality - Supports Low Power Operation in Blinking Port 80h Debug Ports for BIOS Debug and Breathing Modes - Two Ports, Assignable to Any LPC IO Operates on Standby Power Address Operates in Chip s System Deepest Sleep State - 24-bit Timestamp with Adjustable Timebase on 32kHz standby clock - 16-Entry FIFO Operational in EC Sleep State - Provides Three LED pins Resistor/Capacitor Identification Detection LED pin buffers capable of sinking up to 20 mA (RC ID) Programmable 16-bit Counter/Timer Interface - Single Pin Interface to External Inexpensive - Four Wake-capable 16-bit Auto-reloading RC Circuit - Replacement for Multiple GPIOs Counter/Timer Instances - Provides 8 Quantized States on One Pin - Four Operating Modes per Instance: Timer, Integrated Standby Power Reset Generator One-shot, Event and Measurement 4 External Inputs, 4 External Outputs - Reset Input Pin - Reset Output Pin Hibernation Timer Interface HDMI Consumer Electronics Control (CEC) Bus - Two 32.768 KHz Driven Timers Controller - Programmable Wake-up from 0.5ms to 128 Minutes Thermal Monitoring System Watch Dog Timer (WDT) - Monitors Temperatures with up to Six Exter- nal Diodes and one Internal Diode Input Capture and Compare Timer Three Parallel and Three Anti-parallel Diodes - 32-bit Free-running timer Supported on 6 Pins - Six 32-bit Capture Registers 1C Accuracy 60C to 100C - Two 32-bit Compare Registers Resistance Error Correction - Capture, Compare and Overflow Interrupts Beta Compensation for Processor Diodes TM BC-Link Interconnection Bus - Voltage Programmable Fail-Safe Monitor Thermal Shutdown Temperature Set by a Single - Two High Speed and one Low Speed Bus External 1% Resistor Masters Controllers Can Use Either a Remote Diode or Thermistor Two General Purpose Serial Peripheral Interface Clock Generator Controllers (ECGP-SPI) - 32.768KHz Clock Source - One 3-pin EC-driven Full Duplex Serial Com- Low power 32KHz crystal oscillator munication Interface Optional use of a crystal-free silicon oscillator - One 4-pin EC/Host-driven Full Duplex Serial with 2% Accuracy Communication Interface to SPI Flash Inter- Optional use of 32.768 KHz input Clock face Operational on Suspend Power - Flexible Clock Rates Programmable Clock Power Management Control - SPI Burst Capable & Distribution FAN Support - 20.27 MHz silicon oscillator, 2% Accuracy - Six Programmable Pulse-Width Modulator Real Time Clock (PWM) Outputs Package - 169 Pin LFBGA RoHS Compliant package DS00001775B-page 2 2014 Microchip Technology Inc.