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PDF MEC1404 Data sheet ( Hoja de datos )
| Número de pieza | MEC1404 | |
| Descripción | Keyboard and Embedded Controller | |
| Fabricantes | Microchip | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MEC1404 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MEC140X/1X
Keyboard and Embedded Controller Products for
Notebook PC
Common Features
• 3.3V Operation
• ACPI 3.0 Compliant
• PC2001 compliant
• VTR (standby) and VBAT Power Planes
- Low Standby Current in Sleep Mode
• Connected Standby Support
• 32kHz Clock Source
- Internal 32kHz Oscillator
- External 32kHz Clock Source
- 32kHz Crystal (XTAL) Supported
- Single-Ended 32kHz Clock Source
• LPC Host Interface
- LPC Specification 1.1 Compatible
- LPC I/O and Memory Cycles Decoded
- Supports optional signals: CLKRUN#, LPCPD#,
SERIRQ, SMI#, EC_SCI# (ACPI PME Event)
- Supports 19.2 MHz to 33 MHz nominal bus clock
speeds
• Configuration Register Set
- Compatible with ISA Plug-and-Play Standard
- EC-Programmable Base Address
• 8042 Emulated Keyboard Controller
- 8042 Style Host Interface
- Port 92 Legacy A20M Support
- Fast GATEA20 & Fast CPU_RESET
• System to EC Message Interface
- One Embedded Memory Interface
- Host Serial or Parallel IRQ Source
- Provides Two Windows to On-Chip SRAM for
Host Access
- Two Register Mailbox Command Interface
- Mailbox Registers Interface
- Thirty-two 8-Bit Scratch Registers
- Two Register Mailbox Command Interface
- Two Register SMI Source Interface
- Five ACPI Embedded Controller Interfaces
- Four EC Interfaces
- One Power Management Interface
• MIPS32 M14K™ Microcontroller Core
- microMIPS-Compatible Instruction Set
- High-performance Multiply/Divide Unit
- Programmable clock frequencies: 48MHz,
12MHz, 3MHz, and 1MHz
- Sleep mode
- 2-wire Debug Interface (ICSP)
- 6 Breakpoints (4-instruction; 2-data)
- Enhanced to Support Debug in Heavy and
Deep Sleep States
• Trace FIFO Debug Port (TFDP)
• Internal DMA Controller
- Hardware or Firmware Flow Control
- Firmware Initiated Memory-to-Memory transfers
- 7-Hardware DMA Channels support three
SMBus Master/Slave Controllers and one SPI
Controller
- Hardware CRC-32 Generator on Channel 0
• Secure Boot ROM Loader
- 4 Code Images in Shared Flash Supported
- Crisis Recovery over Keyboard matrix Scan Pins
- Supports CRC-32 and AES-128 Encryption
• Vectored Interrupt Controller
- Maskable Interrupt controller
- Maskable Hardware Wake-Up Events
- Supports legacy aggregated mode
- Supports Vector Generation per Status Bit
• Programmable 16-bit Counter/Timer Interface
- Four 16-bit Auto-reloading Counter/Timer
Instances
- Two Operating Modes per Instance: Timer and
One-shot.
• 32-bit RTOS Timer
- Runs Off 32kHz Clock Source
- Continues Counting in all the Chip Sleep States
Regardless of Processor Sleep State
- Counter is Halted when Embedded Controller is
Halted (e.g., JTAG debugger active, break
points)
- Generates wake-capable interrupt event
• Watch Dog Timer (WDT)
• Hibernation Timer Interface
- One 32.768 KHz Driven Timer
- Programmable Wake-up from 0.5ms to 128 Min-
utes
• Week Timer
- System Power Present Input Pin
2015 - 2016 Microchip Technology Inc.
DS00001956D-page 1
1 page  
MEC140X/1X
Table Of Contents
1.0 General Description ........................................................................................................................................................................ 6
2.0 Pin Configuration .......................................................................................................................................................................... 12
3.0 Power, Clocks, and Resets ........................................................................................................................................................... 68
4.0 LPC Interface ................................................................................................................................................................................ 99
5.0 Enhanced Serial Peripheral Interface (eSPI) .............................................................................................................................. 132
6.0 Quad SPI Master Controller ........................................................................................................................................................ 133
7.0 Chip Configuration ...................................................................................................................................................................... 152
8.0 MIPS32 M14K Embedded Controller .......................................................................................................................................... 157
9.0 Memory Organization .................................................................................................................................................................. 163
10.0 Jump Table Vectored Interrupt Controller (JTVIC) ................................................................................................................... 164
11.0 Watchdog Timer (WDT) ............................................................................................................................................................ 194
12.0 Embedded Memory Interface (EMI) .......................................................................................................................................... 199
13.0 Mailbox Interface ....................................................................................................................................................................... 216
14.0 ACPI Embedded Controller Interface (ACPI-ECI) ..................................................................................................................... 225
15.0 ACPI PM1 Block Interface ........................................................................................................................................................ 244
16.0 8042 Emulated Keyboard Controller ......................................................................................................................................... 254
17.0 UART ........................................................................................................................................................................................ 273
18.0 Basic Timer ............................................................................................................................................................................... 292
19.0 RTOS Timer .............................................................................................................................................................................. 298
20.0 Hibernation Timer ..................................................................................................................................................................... 305
21.0 RTC/Week Timer ...................................................................................................................................................................... 309
22.0 GPIO Interface .......................................................................................................................................................................... 319
23.0 SMBus Interface ....................................................................................................................................................................... 344
24.0 Internal DMA Controller ............................................................................................................................................................ 348
25.0 PECI Interface ........................................................................................................................................................................... 364
26.0 Tachometer ............................................................................................................................................................................... 368
27.0 PWM ......................................................................................................................................................................................... 376
28.0 Blinking/Breathing PWM ........................................................................................................................................................... 382
29.0 PS/2 Interface ........................................................................................................................................................................... 400
30.0 Keyboard Matrix Scan Interface ................................................................................................................................................ 409
31.0 BC-Link Master ......................................................................................................................................................................... 417
32.0 Trace FIFO Debug Port (TFDP) ................................................................................................................................................ 425
33.0 Port 80 BIOS Debug Port .......................................................................................................................................................... 430
34.0 EC Subsystem Registers .......................................................................................................................................................... 437
35.0 VBAT Register Bank ................................................................................................................................................................. 442
36.0 VBAT-Powered RAM ................................................................................................................................................................ 447
37.0 VBAT-Powered Control Interface .............................................................................................................................................. 450
38.0 Analog to Digital Converter ....................................................................................................................................................... 461
39.0 Digital to Analog Converter ....................................................................................................................................................... 470
40.0 Analog Comparator ................................................................................................................................................................... 476
41.0 Test Mechanisms ...................................................................................................................................................................... 479
42.0 Electrical Specifications ............................................................................................................................................................ 492
43.0 Timing Diagrams ....................................................................................................................................................................... 504
44.0 Register Memory Map ............................................................................................................................................................... 534
The Microchip Web Site .................................................................................................................................................................... 569
Customer Change Notification Service ............................................................................................................................................. 569
Customer Support ............................................................................................................................................................................. 569
Product Identification System ........................................................................................................................................................... 570
2015 - 2016 Microchip Technology Inc.
DS00001956D-page 5
5 Page 
MEC140X/1X
2‐wire Debug I/F
Memory Controller
Boot ROM
64B SRAM
(Battery
Powered)
SRAM
(code)
SRAM
(data)
Closely Coupled
Mem I/F
32‐bit
Embedded
Controller
Master I/F
Interrupt
Aggregator
Slave I/F
Slave I/F
Trace FIFO
(TFDP)
Slave I/F
Internal
DMA
Controller
Slave I/F
16‐Bit
Timers
(4x)
EC Address Space
Slave I/F
32‐Bit RTOS
Timer
Slave I/F
Watchdog
Timer
(WDT)
Slave I/F
Hibernation
Timer
Slave I/F
Week Timer
+ BGPO
Slave I/F
ICSP
(JTAG)
Master I/F
Slave I/F
eFUSE
EC Address Space
Slave I/F
GPIOs
Breathing
LEDs
(3x)
Slave I/F
Slave I/F
SPI
Controller
TACHs
(2x)
Slave I/F
Slave I/F
SMBus
Controllers
(4x)
PWMs
(8x)
Slave I/F
Slave I/F
PECI 3.0
DACs
(2‐Channels)
Slave I/F
Slave I/F
PS/2
(2x)
Voltage‐
Controlled
Interface
(VCI)
Slave I/F
Slave I/F
Keyboard
Matrix Scan
Controller
(KeyScan)
Comparators
(2x)
Slave I/F
Slave I/F
Power Reset
Generator
ADCs
(8‐Channels)
Slave I/F
EC Address Space
Slave I/F
EC‐to‐EC/Host Address
Bridge
Master I/F
Slave I/F
LPC I/F Controller
Master I/F
LPC I/F
Slave I/F
eSPI I/F Controller
Master I/F
eSPI I/F
Slave I/F
Port 80 BIOS
Debug
Slave I/F
8042
Emulated
Keyboard
Controller
EC/Host Address Space
Slave I/F
Embedded
Memory
Interface
(EMI)
Slave I/F
Mailbox
Register I/F
Slave I/F
ACPI EC
Controllers
(4x)
Slave I/F
ACPI PM
Controller
Slave I/F
UART
Note: Not all features shown are available on all devices. Refer to Products on page 3 for a list of the features by
device.
2015 - 2016 Microchip Technology Inc.
DS00001956D-page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MEC1404.PDF ] | |
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