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參數(shù)資料
| 型號(hào)： | RF5C296 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 總線控制器 |
| 英文描述： | TRI N PLUG F PLAS 4-20 |
| 中文描述： | PCMCIA BUS CONTROLLER, PQFP144 |
| 封裝： | 1.70 MM HEIGHT, PLASTIC, LQFP-144 |
| 文件頁(yè)數(shù)： | 72/93頁(yè) |
| 文件大?。?/td> | 449K |
| 代理商： | RF5C296 |
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RF5C296/RF5C396L/RB5C396/RF5C396
68
The GPI pin, as its full name “general-purpose input pin” suggests, functions as an input pin for general purpose
use. Further, it can also be connected to the VS1# pin on the PC card slot to detect the 5V PC card. (For details, see
“3.2 5VDET/GPI and VS1# Pins” in “3. Connections to PCMCIA Slot” in “HARDWARE DESIGN CONSIDERA-
TIONS”.)
· Interface Status Register (Index : 01h) : bit7
This bit can be used to specify reading back the 5VDET/GPI pin.
· Card Status Change Register (Index : 04h) : bit4 (GPI Change Bit)
This bit will be set to “1” upon generation of interrupts derived from the GPI pin status change when bit2
(GPI Enable Bit) is set to “1” in the Card Detect and General Control Register (Index : 16h).
· Card Detect and General Control Register (Index : 16h) : bit3 (GPI Transmission Control Bit)
This bit can be set to “1” and “0” to specify generation of interrupts upon transition of the GPI pin from “H” to
“L” and vice versa, respectively.
· Card Detect and General Control Register (Index : 16h) : bit2 (GPI Enable Bit)
This bit can be used to enable interrupts from the GPI pin and set to “1” to specify generation of interrupts
upon the GPI input status change.
The internal registers described below function as those relating to the READY#/BUSY# pin status on the condi-
tion that the PC card is the memory card.
· Interface Status Register (Index : 01h) : bit5 (Ready/Busy# Bit)
This bit can be set to “0” and “1” to specify reading back the READY#/BUSY# pins, respectively (specify read-
ing back the IREQ# pin when the PC card is the I/O card).
· Card Status Change Register (Index : 04h) : bit2 (Ready Change Bit)
This bit will be set to “1” upon transition of the READY#/BUSY# pins from “L” to “H”.
· Card Status Interrupt Configuration Register (Index : 05h) : bit2 (Ready Enable Bit)
This bit can be set to “1” to specify generation of interrupts upon transition of the READY#/BUSY# pins from
“L” to “H”.
5.5 READY#/BUSY# Pins
5.4 5VDET/GPI Pin
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RF5C396 | TRI N PLUG F PLAS 12-19 |
| RF5C396L | TRI N PLUG F PLAS 0-48 |
| RF5C62 | REAL-TIME CLOCK |
| RG2A2 | 1300V，Damper Diodes(For Display)(1300V，阻尼二極管(用于顯示器）) |
| RG2Y | 70V，Ultra-Fast-Recovery Rectifier Diodes(70V，超快恢復(fù)整流二極管) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RF5C396 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PC Card Controller compliant with PCMCIA 2.1/JEIDA 4.2 |
| RF5C396L | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PC Card Controller compliant with PCMCIA 2.1/JEIDA 4.2 |
| RF5C59 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UART |
| RF5C62 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:REAL-TIME CLOCK |
| RF5C67 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
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