I/O Signal Planes and States

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Revision History
Introduction
PCH Controller Device IDs
- Revision IDs
- Device IDs
Memory Mapping
- Functional Description
- Memory Map
Audio Voice and Speech
Ballout Definition
Connectivity Integrated (CNVi)
Controller Link
Direct Enhanced Serial Peripheral Interface (Direct eSPI)
Direct Media Interface (DMI)
Enhanced Serial Peripheral Interface (eSPI)
Gigabit Ethernet Controller
Host System Management Bus (SMBus) Controller
Integrated Sensor Hub (ISH)
Intel® Serial I/O Improved Inter-Integrated Circuit (I3C) Controllers
Intel® Serial I/O Inter-Integrated Circuit (I2C) Controllers
Intel® Serial I/O Universal Asynchronous Receiver/Transmitter (UART) Controllers
Intel® Serial IO Generic SPI (GSPI) Controllers
PCI Express* (PCIe*)
Real Time Clock (RTC)
- Signal Description
- I/O Signal Planes and States
Serial ATA (SATA)
Serial Peripheral Interface (SPI)
System Clocks
- Integrated Clock Controller (ICC)
  - Signal Descriptions
- I/O Signal Pin States
System Management Interface and SMLink
Touch Host Controller (THC)
Universal Serial Bus (USB)
General Purpose Input and Output
- Functional Description
- Signal Description
GPIO Serial Expander
Private Configuration Space Port ID
Security Firmware Engines
- Intel® Converged Security and Management Engine (Intel® CSME)
- Intel® Silicon Security Engine
System Management
- Theory of Operation
  - TCO Modes
Testability and Monitoring
- Signal Description
- I/O Signal Planes and States
Miscellaneous Signals
Processor Sideband Signals
- Signal Description
- I/O Signal Planes and States
Power Delivery
- Power and Ground Signals
Power Management
Thermal Sensor
Electrical Characteristics

Signal Name	Power Plane	During Reset	Immediately after Reset	S4/S5	Deep Sx
ACPRESENT	DSW	Undriven /Driven Low4	Undriven	Undriven	Undriven/Internal Pull-down
BATLOW#	DSW	Undriven	Undriven	Undriven	Undriven
DSW_PWROK	RTC	Undriven	Undriven	Undriven	Undriven
LAN_WAKE#	DSW	Undriven	Undriven	Undriven	Undriven/Internal Pull-down
LANPHYPC	DSW	Driven Low	Driven Low / Driven High	Driven Low	Driven Low
PCH_PWROK	RTC	Undriven	Undriven	Undriven	Undriven
PLTRST#	Primary	Driven Low	Driven High	Driven Low	OFF
PWRBTN#	DSW	Internal Pull-up	Internal Pull-up	Internal Pull-up	Internal Pull-up
PCH_RSMRST#	RTC	Undriven	Undriven	Undriven	Undriven
SLP_LAN#	DSW	Driven Low	Driven Low	Driven High/Driven Low	Driven High/Driven Low
SLP_S4#	DSW	Driven Low	Driven High	Driven Low	Driven Low
SLP_S5#	DSW	Driven Low	Driven High	Driven High/Driven Low	Driven High/Driven Low
SLP_PRIM#	DSW	Driven Low	Driven High	Driven High	Driven Low
SLP_WLAN#	DSW	Driven Low	Driven Low	Driven Low / Driven High	Driven Low / Driven High
PRIMACK#	Primary	Internal Pull-up	Internal Pull-up	Internal Pull-up	OFF
SUSCLK	DSW	Driven Low	Toggling	Toggling	Toggling
PRIMWARN# / PRIMPWRDNACK	Primary	Driven Low	Driven Low	Driven Low	OFF
SX_EXIT_HOLDOFF#	Primary	Undriven	Undriven	Undriven	OFF
SYS_RESET#	Primary	Undriven	Undriven	Undriven	OFF
WAKE#	DSW	Undriven	Undriven	Undriven	Undriven/Internal Pull-down
Note: Notes will be updated in the next revision.

Thermal Sensor

Integrated Pull-Ups and Pull-Downs Thermal Sensor