參數(shù)資料
型號(hào): HB28A896IA1
元件分類: PROM
英文描述: 448M X 16 FLASH 5V PROM CARD, XMA68
封裝: CARD-68
文件頁數(shù): 43/47頁
文件大小: 146K
代理商: HB28A896IA1
HB28A896IA1, HB28A512IA1
5
Signal name
Direction Pin No.
Description
IORDY
O
59
IORDY is used at PIO modes 3 and above. IORDY is negated
to extend the host transfer cycle of any host register access
(Read or Write) when the device is not ready to respond to a
data transfer request.
DSTROBE
(Ultra DMA data-in)
DSTROBE is a data strobe signal. The host latches the data
of D15 to D0 at both the rising and falling edge of DSTROBE.
Stopping generating DSTROBE edges indicates that the
device pauses an Ultra DMA data-in burst.
-DDMARDY
(Ultra DMA data-out)
-DDMARDY is a data flow control signal. The card asserts this
signal to indicate that the device is ready to receive Ultra DMA
data-out bursts. The card negates this signal to indicate that
the device pauses an Ultra DMA data-in burst.
-DASP
I/O
62
-DASP is the Device Active/Slave Present signal in the
Master/Slave handshake protocol.
-CSEL
I
56
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