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PRELIMINARY
CF CONTROLLER
S3C6400X RISC MICROPROCESSOR
9-10
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
TRUE-IDE MODE
PIO Mode
PIO Mode Waveform
t2
t1
teoc
t1
CS0,CS1,
DA[2:0]
DIOR-/
DIOW-
WR
DD[15:0] or
DD[7:0]
RD
DD[15:0] or
DD[7:0]
Figure 9-5: PIO Mode Waveform
Timing Parameter In PIO Mode
PIO mode
PIO 0
PIO 1
PIO 2
PIO 3
PIO 4
T1
(70, --)
(50, --)
(30, --)
(30, --)
(25, --)
T2 (16bit)
(165, --)
(125, --)
(100, --)
(80, --)
(70, --)
T2 Register
(8bit)
(290, --)
(290, --)
(290, --)
(80, --)
(70, --)
TEOC
(20, --)
(15, --)
(10, --)
(10, --)
(10, --)
T1 + T2 + TEOC
(600, --)
(383, --)
(240, --)
(180, --)
(120, --)
Table 9-2: Timing Parameter Each PIO Mode
ATA_PIO_TIME (Tpara) = PIO mode(min, max) / system clock – 1