MEC1404 Datasheet, PDF (28/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
Interface
LPC HOST INTERFACE
Signal Name
LFRAME#
LPC HOST INTERFACE
LPC HOST INTERFACE
LPCPD#
LRESET#
LPC HOST INTERFACE
LPC HOST INTERFACE
LPC HOST INTERFACE
LPC HOST INTERFACE
LPC HOST INTERFACE
Master Clock Interface
Master Clock Interface
nEC_SCI
nEMI_INT
nSMI
PCI_CLK
SER_IRQ
XTAL1
XTAL2
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
MISC Functions
PECI Interface
Power Interface
Power Interface
Power Interface
Power Interface
32KHZ_OUT
A20M
KBRST
LED0
LED1
LED2
nRESET_IN
nRESET_OUT
TFDP_CLK
TFDP_DATA
VCC_PWRGD
XNOR
PECI_DAT
ADC_VREF
AVSS
DAC_VREF
VBAT
Description
Notes
Frame signal. Indicates start of
new cycle and termination of
broken cycle
LPC Power Down
LPC Reset. LRESET# is the
same as the system PCI reset,
PCIRST#
Power Management Event
EMI Interrupt Output
SMI Output
PCI Clock
Serial IRQ
32.768 KHz Crystal Output
Note 1
32.768 KHz Crystal Input
(single-ended 32.768 KHz clock
input)
32.768 KHz Digital Output
KBD GATEA20 Output
CPU_RESET
LED (Bllinking/Breathing PWM)
PWM Output 0
LED (Bllinking/Breathing PWM)
PWM Output 1
LED (Bllinking/Breathing PWM)
PWM Output 2
External System Reset Input
EC-driven External System
Reset Output
Trace FIFO debug port - clock
Note 5
Trace FIFO debug port - data
System Main Power Indication
Test Output
PECI Bus
ADC Reference Voltage
Note 12
Analog ADC supply associated
ground
DAC Reference Voltage
VBAT supply
DS00001956D-page 28
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