參數(shù)資料
型號(hào): ISP1561BM
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 總線(xiàn)控制器
英文描述: ISP1561BM
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件頁(yè)數(shù): 33/102頁(yè)
文件大小: 2875K
代理商: ISP1561BM
Philips Semiconductors
ISP1561
USB PCI host controller
Product data
Rev. 01 — 06 February 2003
33 of 102
9397 750 10015
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
The slave address which ISP1561 uses to access the EEPROM is 1010000B. Page
mode addressing is not supported, so pins A0, A1 and A2 of the EEPROM must be
connected to ground (logic 0).
9.3 Information loading from EEPROM
Figure 4
shows the content of the EEPROM memory. If the EEPROM is not present,
the default values of Device ID (DID), Vendor ID (VID), subsystem VID and
subsystem DID assigned to Philips Semiconductors by PCI-SIG will be loaded. See
Table 3
for these default value. For instructions on programming the EEPROM, refer
to Designing a USB 2.0 Host PCI Adapter Using the ISP1561 Application Noteand
ISP1561 Evaluation Board User’s Guide
10. Power management
10.1 PCI bus power states
The PCI bus can be characterized by one of the four power management states
B0,
B1, B2 and B3.
B0 state (PCI clock = 33 MHz, PCI bus power = ON) —
This corresponds to the
bus being fully operational.
B1 state (PCI clock = intermittent clock operation mode, PCI bus power =
ON) —
When a PCI bus is in B1, V
DD
is still applied to all devices on the bus.
However, no bus transactions are allowed to take place on the bus. The B1 state
indicates a perpetual idle state on the PCI bus.
B2 state (PCI clock = Stop, PCI bus power = ON) —
V
DD
is still applied on the bus,
but the clock is stopped and held in the LOW state.
L = LOW; H = HIGH.
Fig 4.
Information loading from EEPROM.
004aaa124
Subsystem Vendor ID (L)
0
1
3
4
6
5
2
Subsystem Vendor ID (H)
Subsystem Device ID (L) - OHCI
Subsystem Device ID (H) - OHCI
Subsystem Device ID (L) - EHCI
Subsystem Device ID (H) - EHCI
Reserved - FFH
Signature
15H - Loads Subsystem Vendor ID, Device ID
1AH - Loads default values defined by Philips Semiconductors
7
Address
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