Intel G1620T CM8063701448300 用户手册
产品代码
CM8063701448300
Datasheet
945
Platform Controller Unit (PCU) Overview
18
Platform Controller Unit (PCU)
Overview
The Platform Controller Unit (PCU) is a collection of hardware blocks that are critical for
implementing a Windows* compatible platform. These hardware blocks include:
implementing a Windows* compatible platform. These hardware blocks include:
•
•
— For boot FW and system configuration data Flash storage
•
•
The PCU also implements some high level configuration features for BIOS/EFI boot.
18.1
Features
•
The key features of the individual blocks are as follows: SMBus Host Controller
— Supports System Management Bus (SMBus) 2.0 Specification
— No support for SMBus Slave functionality aside from the Host Notify Command
— Supports System Management Bus (SMBus) 2.0 Specification
— No support for SMBus Slave functionality aside from the Host Notify Command
No TCO (Total Cost of Ownership) feature support
•
Universal Asynchronous Receiver/Transmitter (UART)
— 16550 controller compliant
— Reduced Signal Count: TX and RX only
— COM1 interface
— 16550 controller compliant
— Reduced Signal Count: TX and RX only
— COM1 interface
•
Serial Peripheral Interface (SPI)
— For one or two SPI Flash, of up to 16MB size each, only. No other SPI peripherals
— For one or two SPI Flash, of up to 16MB size each, only. No other SPI peripherals
are supported.
— Stores boot FW and system configuration data
— Supports frequencies of 20 MHz, 33MHz and 50MHz.
— Supports frequencies of 20 MHz, 33MHz and 50MHz.
Platform Control Unit
UAR
T
LP
C
GP
IO
IO
RT
C
C
HP
E
E
T
82
5
5
9
AP
IC
IC
82
5
5
4
SMB
iLB
SPI
PM
C
C
I
O
I
O
I
O
I
O
I
O
I
O
I
O
O