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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 30/93頁 |
| 文件大?。?/td> | 449K |
| 代理商： | RF5C296 |
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1) IRQ9, IRQ10 and IRQ11 (or IRQ15) are redefined as DMA signals for ISA Bus. Therefore these signals can not
be used as interrupt lines.
2) Bit5 of General Control Register must be set to “1” to select I/O card.
3) If WP/IOIS16# is used as DREQ, bit4 of Interface Status Register indicates DREQ from PC Card.
4) If BVD2/SPKR# is used as DREQ, SPKROUT# and LED output can not be used.
5) If INPACK# is used as DREQ, bit2 of Mode Control Register 2 must be kept “0”.
6) TC input can be assigned to one of two IRQ signals (IRQ11 or IRQ15) by setting bit4 of Mode Control Register .
RF5C296/RF5C396L/RB5C396/RF5C396
26
The TC# (terminal count) pin signal input to the PC card becomes active low for output from the OE# pin at a
cycle for reading from the PC card (a cycle for writing to the memory) and from the E# pin at a cycle for writing to
the PC card (a cycle for reading from the memory). Further, the output REG# pin signal is always held at high level
during DMA transfer. Thus, it is easy to distinguish between DMA transfer and ordinary bus cycles. Namely, the
REG# pin signal functions as DMA transfer acknowledgment for the PC card.
Notice on the DMA mode
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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