5 hardware suspend mode, 6 global reset signals – Ricoh R5C841 User Manual
Page 69
R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet
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2004
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. 1.10
5-16
5.3.5 Hardware Suspend mode
Timing chart for keeping the value of the internal register on the Suspend mode.
Hardware Suspend Timing
HWSPND#
VCC_PCI3V
PCI RST#
Tpd Tpu
Symbol Parameter
Min
Typ
Max
Unit
Tpd
HWSPND# to PCIRST# delay
100*
1
ns
Tpu
PCIRST# Setup time to HWSPND#
100*
1
ns
*
1
: PCICLK=33MHz
5.3.6 Global Reset signals
Timing chart for initializing the internal register on the Power’s on.
Global Reset Timing
GBRST#
VCC_3V,
VCC_MD3V
PCI RST#
3.0V
Tpres
Tprise
2.4V
0.5VCC_PCI3V
Tpspnd
HWSPND#
VCC_RIN
(Enabled regulator)
3.0V
3.0V
VCC_PCI3V
VCC_RIN,VCC_ROUT
(Disabled regulator)
1.65V
Symbol Parameter
Min
Typ
Max
Unit
Tpres
Power_On to GBRST# delay
1
100
ms
Tprise
GBRST# to PCIRST# delay
60*
2
ns
Tpspnd
HWSPND# to PCIRST# delay
100*
2
ns
*
2
: PCICLK=33MHz