参数资料
型号: SIS600
厂商: SILICON INTEGRATED SYSTEMS CORP
元件分类: 外设及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA487
封装: BGA-487
文件页数: 86/144页
文件大小: 1592K
代理商: SIS600
SiS600 Pentium II PCI /A.G.P. Chipset
Preliminary V1.0 Jan. 25, 1999
43
Silicon Integrated Systems Corporation
5.5.
POWER MANAGEMENT SUPPORT
To support power management feature of SiS5595, SiS600 reports all PCI masters
activities and optionally
reports activities on A.G.P. bus. SiS600 to SiS5595 via the pin BMREQ#. The information contained by
BMREQ# can be classified into two categories. The first category is CPU operation and the second category is
master operation. Each category occupies different time slot. If BMREQ# is reporting CPU operation in this
clock, then BMREQ# will report master operation in the next clock and vice versa. Configuration Register 6Bh of
host bridge is used to define what kinds of operations should be reported.
SiS600 may also trap ACPI I/O port accesses to support ACPI S3 and S2 states and to disable system arbiter.
Configuration register 68~69h is used to define the ACPI I/O space base address and SiS600 uses this register to
trap the ACPI I/O port accesses.
5.6.
INTEGRATED PCI MASTER/SLAVE IDE CONTROLLER
OVERVIEW
SiS Chip supports a full function PCI IDE controller capable of PIO, DMA and Ultra DMA/33 mode operation. It
can be supported by programming the internal registers to support PIO Mode 0 ~ 4, Single/Multi-Word DMA
Mode 0 ~ 2 and Ultra DMA Mode 0 ~ 2 timing.
The IDE Controller block diagram is shown as below:
PCI
INTERFACE
CONFIG
REGs
INTERRUPT
STEERING
DECODER
DMA
ENGINE
64-
BYTE
FIFO
ULTRA-
DMA
MODULE
IDE
INTERFACE
DMA
ENGINE
64-
BYTE
FIFO
ULTRA-
DMA
MODULE
IDE
INTERFACE
CHANNEL_0
CHANNEL_1
Figure 5.6-1 Block Diagram for IDE Controller
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