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CF CONTROLLER
TRUE-IDE MODE
PIO Mode
PIO Mode Waveform
CS0,CS1,
DA[2:0]
DIOR-/
DIOW-
WR
DD[15:0] or
DD[7:0]
RD
DD[15:0] or
DD[7:0]
Timing Parameter In PIO Mode
PIO mode
T1
T2 (16bit)
T2 Register
(8bit)
TEOC
T1 + T2 + TEOC
ATA_PIO_TIME (Tpara) = PIO mode(min, max) / system clock – 1
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.
9-10
t1
Figure 9-5: PIO Mode Waveform
PIO 0
PIO 1
(70, --)
(50, --)
(165, --)
(125, --)
(290, --)
(290, --)
(20, --)
(15, --)
(600, --)
(383, --)
Table 9-2: Timing Parameter Each PIO Mode
t2
PIO 2
(30, --)
(100, --)
(290, --)
(10, --)
(240, --)
S3C6400X RISC MICROPROCESSOR
teoc
PIO 3
PIO 4
(30, --)
(25, --)
(80, --)
(70, --)
(80, --)
(70, --)
(10, --)
(10, --)
(180, --)
(120, --)
t1
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