Intel E3845 FH8065301487715 Data Sheet
Product codes
FH8065301487715
PCU – Intel
®
Legacy Block (iLB) Overview
Intel
®
Atom™ Processor E3800 Product Family
Datasheet
4479
34.2
Features
34.2.1
Key Features
The key features of various blocks are as follows:
•
Subtractive agent for the PCU
•
LPC Interface
— Supports Low Pin Count (LPC) 1.1 Specification
— No support for DMA or bus mastering
— Supports Trusted Platform Module (TPM) 1.2
— Subtractive agent for the Intel Legacy Block
•
General Purpose Input Output
— Control interface for SoC GPIOs
— I/O mapped registers
•
8259 Programmable Interrupt Controller
— Legacy interrupt support
— 15 total interrupts through two cascaded controllers
— I/O and Memory mapped registers
•
I/O Advanced Programmable Interrupt Controller
— Legacy-free interrupt support
— 87 total interrupts
— Memory mapped registers
•
8254
— Legacy timer support
— Three timers with fixed uses: System Timer, Refresh Request Signal and
Speaker Tone
— I/O mapped registers
•
HPET - High Performance Event Timers
— Legacy-free timer support
Table 317. iLB Signals
Signal Name
Direction
Plat. Power
Description
ILB_NMI
I
V1P8S
Non-Maskable Interrupt: This is an NMI event indication into
the SoC.
This signal is muxed and may be used by other functions.
the SoC.
This signal is muxed and may be used by other functions.