參數(shù)資料
型號: RB5C396
廠商: RICOH COMPANY LTD
元件分類: 總線控制器
英文描述: PC Card Controller compliant with PCMCIA 2.1/JEIDA 4.2
中文描述: PCMCIA BUS CONTROLLER, PBGA256
封裝: 23 X 23 MM, PLASTIC, BGA-256
文件頁數(shù): 73/93頁
文件大小: 449K
代理商: RB5C396
RF5C296/RF5C396L/RB5C396/RF5C396
69
WP Pin
· Interface Status Register (Index : 01h) : bit4 (Memory Write Protect Bit)
This bit an be used to specify reading back the WP pin. Note that write protection will not be enabled even
when the WP pin is set to “1” unless Write Protect Bit is set to “1” for each memory address window.
Power Supply Status
· Interface Status Register (Index : 01h) : bit6(PC card Power Active Bit)
This bit an be used to indicate the status of power supply to the PC card slot and set to “0” and “1” to indicate
the power-off state (in which both the VCC3VEN# and VCC5VEN# pins are held at high level) and the power-
on state, respectively.
5.6 Other Pins
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