SB16C1054PCI_Data Sheet_EN

SB16C1054PCI
PCI Target Interface Controller
with Quad-UART
JULY 2013 REV 1.04
26
Figure 9–1: PCI Function Power Management State Transition
Cf. Hibernate state is variation of shutdown state. In this state, all states of computer is
saved on disk and thus when power comes back, it can be started as current session.
9.2 SB16C1054PCI Power Management Pins and Functions
9.2.1 SB16C1054PCI Pins for Power Management
Table 9–2: SB16C1054PCI Pin Table for PM
Pin Name
Type
Description
WAKEREQ
I
Input of Wake Event Request. For example, it receives
wakeup event signal generated by Ring Indicator.
PME#
O
Side band signal that Wakes Root Complex up to restore
main power and reference clock that have been removed to
implement Wakeup Event.
PME_S
O
Indicates PM state. It can be used for auto-power down
function and it will be connected to FORCEOFF# pin on
MAX3243.
hot
Uninitialized
cold
D3
D0
D3
PCI RST#
Active
D2
Power On
Sof t Reset
Vcc
Reset
Remov ed
D1
D0