6.2.2. Timing of Host Interface (PIO)

Figure 10 shows the Host Interface Timings.

t0

Address valid*1

t2

t1

DIOR-/DIOW-

Write data valid*2

t9

t2i

t8

t3

Read data valid*2

 

t4

 

 

 

 

 

 

 

 

 

 

t5 t6Z

t7

 

t6

 

IOCS16-

tA

IORDY

tB tRD

*1:Device Address consists of signals CS0-, CS1-, and DA2-0 *2:Data consists of DD0-15 (16-bit) or DD0-7 (8-bit)

 

PIO timing parameters min (ns) max (ns)

Min Time (ns)

Max Time (ns)

 

 

 

 

t0

Cycle time

120

 

 

 

 

 

t1

Address valid to DIOR/DIOW-setup

25

 

 

 

 

 

t2

DIOR/DIOW-pulse wide

70

 

 

 

 

 

t2i

DIOR/DIOW-recovery time

25

 

 

 

 

 

t3

DIOW-data setup

20

 

 

 

 

 

t4

DIOW-data hold

10

 

 

 

 

 

t5

DIOR-data setup

20

 

 

 

 

 

t6

DIOR-data hold

5

 

 

 

 

 

t6Z

DIOR-data tristate

 

30

 

 

 

 

t7

Addr valid to IOCS 16-assertion

 

30

 

 

 

 

t8

Addr valid to IOCS 16-negation

 

30

 

 

 

 

t9

DIOR/DIOW-to address valid hold

10

 

 

 

 

 

tRD

Read Data Valid to IORDY active

0

 

 

 

 

 

tA

IORDY setup time

 

35

 

 

 

 

tB

IORDY pulse wide

 

1250

 

 

 

 

Figure 10 Host Interface Timing

16/29

SD-R5112 Rev.1.0

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Image 23
Toshiba SD-R5112 specifications 16/29, Write data valid*2 T2i Read data valid*2 T5 t6Z, TB tRD

SD-R5112 specifications

The Toshiba SD-R5112 is a versatile optical disc drive that has garnered attention for its solid performance and wide compatibility. Released during a time when the demand for reliable CD and DVD solutions was surging, the SD-R5112 has ingrained itself as a notable product in the world of optical drives.

One of the main features of the Toshiba SD-R5112 is its ability to read and write multiple formats, including CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, and DVD-RW. This broad compatibility makes it an excellent choice for users who require flexibility in their media handling, whether for data storage, software installation, or multimedia playback.

The SD-R5112 employs Advanced Digital Format (ADF) technology, which enhances the data storage capability of CDs, allowing users to utilize more of the disc's surface for data. This feature is particularly beneficial for those who need to maximize space when archiving data or creating backups.

Speed is another crucial aspect of the Toshiba SD-R5112. The drive is capable of achieving impressive read and write speeds that cater to both novice users and professional applications. For instance, it can write DVD-R discs at speeds of up to 4x, which facilitates quicker data transfer for larger files.

In terms of design, the SD-R5112 features a compact and sleek structure, making it suitable for various computer setups, whether in desktops or laptops. Its installation process is user-friendly, thus appealing to both tech-savvy individuals and those who prefer plug-and-play solutions.

Furthermore, the SD-R5112 supports various buffer underrun protection technologies, which significantly reduce the likelihood of errors during the writing process. This ensures better reliability and consistency when creating discs, which is essential for professional tasks where data integrity is paramount.

Cooling technology integrated into the design helps maintain optimal operating temperatures, which not only prolongs the lifespan of the drive but also contributes to stable performance during intensive data operations.

The Toshiba SD-R5112 stands out as a well-rounded optical drive that combines advanced technology with user-friendly features, making it an excellent choice for anyone needing a dependable solution for their optical media needs. Its blend of speed, compatibility, and innovative technologies underline its value in the competitive landscape of optical drives, appealing to a diverse range of users.