SAF1562HL/N2-T NXP Semiconductors, SAF1562HL/N2-T Datasheet - Page 33
SAF1562HL/N2-T
Manufacturer Part Number
SAF1562HL/N2-T
Description
DC/DC Switching Controllers CONNECTIVITY CHIP
Manufacturer
NXP Semiconductors
Datasheet
1.SAF1562HLN2-T.pdf
(121 pages)
Specifications of SAF1562HL/N2-T
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Mounting Style
SMD/SMT
Package / Case
LQFP
Lead Free Status / RoHS Status
Compliant
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10. Power management
SAF1562
Product data sheet
10.1 PCI bus power states
9.3 Information loading from EEPROM
The slave address that the SAF1562HL uses to access the EEPROM is 1010 000b. Page
mode addressing is not supported. Therefore, pins A0, A1 and A2 of the EEPROM must
be connected to ground (logic 0).
Figure 7
default values of Device ID, Vendor ID, subsystem VID and subsystem DID assigned to
NXP Semiconductors by PCI-SIG will be loaded. For default values, see
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, PCI V
transactions, however, 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) — PCI V
but the clock is stopped and held in the LOW state.
B3 state (PCI clock = stop, PCI bus power = off) — PCI V
devices on the PCI bus segment.
Fig 7.
address
shows the content of the EEPROM memory. If the EEPROM is not present, the
5
6
7
0
L = LOW; H = HIGH.
Information loading from EEPROM
1
2
3
4
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 24 November 2010
004aaa124
CC
subsystem vendor ID (L)
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
is still applied to all devices on the bus. No bus
Hi-Speed Universal Serial Bus PCI Host Controller
1Ah - loads default values defined by Philips Semiconductors
15h - loads subsystem vendor ID, device ID
CC
CC
is still applied on the bus,
is removed from all
SAF1562
© NXP B.V. 2010. All rights reserved.
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