RB5C396 Ricoh Corporation, RB5C396 Datasheet - Page 55

• Manufacturer Part Number: RB5C396
• Description: PC Card Controller Compliant With Pcmcia 2.1/jeida 4.2
• Manufacturer: Ricoh Corporation

Available power supply combinations are shown in the table below :
4. Connections to Power Supply System
4.1 VCC_CORE, VCC_SLOT, and VCC_AT
the PC card slots from the VCC_CORE, the VCC_AT, and the VCC_SLOT, respectively, as shown in the figure
below :
tion with only the 5V peripheral power supplies (the VCC_SLOT#0 for the Card Slot#0, the VCC_SLOT#1 for the
Card Slot#1, and the VCC_AT for the ISA bus interface). On the contrary, the 3.3V power supply for the IC core is
available in combination with both the 3.3V and 5V peripheral power supplies.
The RF5C296 and the RF5C396 are designed to supply separate power for the IC core, the ISA bus interface, and
As is clear from the above table, the 5V power supply for the IC core (the VCC_CORE) is available in combina-
ISA bus
(VCC_CORE)
Core
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
5V
Interface
ISAbus
VCC_AT
(VCC_SLOT#0)
Card Slot#0
3.3V
3.3V
3.3V
3.3V
5V
5V
5V
5V
5V
RF5C296/RF5C396
Core Logic
VCC_CORE
RF5C296/RF5C396L/RB5C396/RF5C396
(VCC_SLOT#1)
Card Slot#1
3.3V
3.3V
3.3V
3.3V
5V
5V
5V
5V
5V
VCC_SLOT#0
VCC_SLOT#1
Interface
Interface
Slot#0
Slot#1
ISA bus Interface
(VCC_AT)
3.3V
3.3V
3.3V
3.3V
5V
5V
5V
5V
5V
Slot#0
Slot#1
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