參數(shù)資料
型號: SMC032BFY6E
廠商: NUMONYX
元件分類: PROM
英文描述: 4M X 8 FLASH 3.3V PROM CARD, 300 ns, UUC50
封裝: LEAD FREE, CARD-50
文件頁數(shù): 22/90頁
文件大?。?/td> 1863K
代理商: SMC032BFY6E
SMCxxxBF
Command interface
5.4
True IDE mode
The timing waveforms for true IDE mode and true IDE DMA mode of operation in this
section are drawn using the conventions in the ATA-4 specification, which are different than
the conventions used in the PCMCIA specification and earlier versions of this specification.
Signals are shown with their asserted state as High regardless of whether the signal is
actually negative or positive true. Consequently, the -IORD, the -IOWR and the -IOCS16
signals are shown in the waveforms inverted from their electrical states on the bus.
Figure 8.
True IDE PIO mode read/write waveforms
1.
The device addresses consists of
CS0, CS1, and A2-A0.
2.
The data I/O consist of D15-D0 (16-bit) or D7-D0 (8 bit).
3.
IOCS16 is shown for PIO modes 0, 1 and 2. For other modes, this signal is ignored.
A0-A2,
CS0, CS1(1)
ADDRESS VALID
IORD/IOWR
Write Data D0-D15(2)
Read Data D0-D15(2)
IOCS16(3)
ai10086b
t0
t1
t2
t9
t8
t2i
t3
t4
t7
t5
t6
t6z
VALID
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