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: 60/144页
文件大小: 1592K
代理商: SIS600
SiS600 Pentium II PCI /A.G.P. Chipset
Preliminary V1.0 Jan. 25, 1999
19
Silicon Integrated Systems Corporation
PREQ[3:0]#
I
PCI Bus Request :
PCI Bus Request is used to indicate the PCI bus arbiter that an
agent requires the use of PCI bus.
PGNT[3:0]#
O
PCI Bus Grant :
PCI Bus Grant signal indicates an agent that access to the PCI
bus has been granted.
SERR#
I
System Error :
SERR# can be pulsed active by any PCI device that detects a
system error condition. Upon sampling SERR# active, SiS600
generates a non-maskable interrupt to the CPU.
PCIRST#
I
PCI Bus Reset :
The PCIRST# is used to reset the device on PCI bus. PCIRST#
is driven low when PWRGD is sampled low and driven inactive
about l ms after PWRGD is sampled high.
PHOLD#
I
Bus Hold :
PHOLD# is used to request the use of PCI bus. PHOLD# is
asserted on behalf of the ISA master, DMA devices, or USB
devices. PHOLD# is eventually connected to the PCI system
arbiter (normally located in SiS600).
PHLDA#
O
Bus Hold Acknowledge :
The PCI system arbiter asserts this signal to acknowledge the
grant of PCI bus access to the SiS5595.
BM_REQ#
O
Bus Master Request Status :
It will be used to carry the following two information :
1)
AGP activity event to reload the system standby timer in
the SiS5595, and
2)
AGP/PCI/IDE bus master request event to exit from
ACPI/C3 state. Upon power up, the clock after FRAME# is
sampled asserted is defined as the slot containing the Bus
master request event, the next clock containing the AGP
activity event, ...etc.
4.1.4. PCI IDE INTERFACE
NAME
TYPE ATTR
DESCRIPTION
ID[15:0]
I/O
IDE Data Bus :
These data signals are used to transfer data to/from the IDE
device.
IDECS[1:0]#
O
IDE Channel 0 Chip select signals :
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