Fibocom FM350-GL - D3 Cold L2

Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved.
FM350-GL Hardware Guide Page 32 of 67
3.3.4.2 D3
cold
L2
Module supports PCIe goes into D3
cold
L2 state in Win10 system. In D3
cold
L2 state, PCIe link can be
wakeup by both modem and host. The D0 L0@S0/S0ix→D3
cold
L2@S0/S0ix→D0 L0@S0/S0ix timing is
shown in Figure 3-11 and Figure 3-12:
+3.3V
PERST#
RESET#
Module State
D3
cold
L2@S0/S0ix
D0 L0@S0/S0ix
FCPO#
D0 L0@S0/S0ix
PEWAKE#
Host assert Host de-assert
CLKREQ#
Figure 3-11 D3
cold
L2 timing (host wakeup)
+3.3V
PERST#
RESET#
Module State
D3
cold
L2@S0/S0ix
D0 L0@S0/S0ix
FCPO#
D0 L0@S0/S0ix
PEWAKE#
Modem assert
Host de-assert
Modem de-assert
Host assert
CLKREQ#
Figure 3-12 D3
cold
L2 timing (modem wakeup)