Interface

[Signal]

[I/O]

 

[Description]

ENCSEL

I

This signal is used to set master/slave using the CSEL signal (pin 28).

 

 

Pins B and D Open: Sets master/slave using the CSEL signal is

 

 

 

disabled.

 

 

 

Short: Sets master/slave using the CSEL signal is

 

 

 

enabled.

MSTR-

I

MSTR, I, Master/slave setting

 

 

Pin A, B, C, D open: Master setting

 

 

Pin A, B Short:

Slave setting

PUS-

I

When pin C is grounded, the drive does not spin up at power on.

RESET-

I

Reset signal from the host. This signal is low active and is asserted

 

 

for a minimum of 25 ∝s during power on.

DATA 0-15

I/O

Sixteen-bit bi-directional data bus between the host and the device.

 

 

These signals are used for data transfer.

DIOW-

I

Signal asserted by the host to write to the device register or data port.

STOP

I

DIOW- must be negated by the host before starting the Ultra DMA

 

 

transfer. The STOP signal must be negated by the host before data is

 

 

transferred during the Ultra DMA transfer. During data transfer in

 

 

Ultra DMA mode, the assertion of the STOP signal asserted by the

 

 

host later indicates that the transfer has been suspended.

DIOR-

I

Read strobe signal from the host to read the device register or data

 

 

port

 

HDMARDY-

I

Flow control signal for Ultra DMA data In transfer (READ DMA

 

 

command). This signal is asserted by the host to inform the device

 

 

that the host is ready to receive the Ultra DMA data In transfer. The

 

 

host can negate the HDMARDY- signal to suspend the Ultra DMA

 

 

data In transfer.

 

HSTROBE

I

Data Out Strobe signal from the host during Ultra DMA data Out

 

 

transfer (WRITE DMA command). Both the rising and falling edges

 

 

of the HSTROBE signal latch data from Data 15-0 into the device.

 

 

The host can suspend the inversion of the HSTROBE signal to

 

 

suspend the Ultra DMA data Out transfer.

INTRQ

O

Interrupt signal to the host.

 

 

This signal is negated in the following cases:

 

 

− Assertion of RESET- signal

 

 

− Reset by SRST of the Device Control register

 

 

− Write to the command register by the host

 

 

− Read of the status register by the host

 

 

− Completion of sector data transfer

 

 

(without reading the Status register)

 

 

The signal output line has a high impedance when no devices are

 

 

selected or interruption is disabled.

[Signal]

[I/O]

 

[Description]

5-4

C141-E258

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Fujitsu MHW2060AC, MHW2040AC manual Mstr, Diow, Stop, Dior, Hdmardy
Page 79 Page 81

MHW2060AC, MHW2040AC specifications

The Fujitsu MHW2040AC and MHW2060AC are notable hard disk drives (HDDs) that have been widely used in various computing applications, especially in laptops and compact devices. These models are part of Fujitsu's commitment to providing reliable storage solutions that meet the demands of modern computing.

The MHW2040AC offers a storage capacity of 40 GB, while the MHW2060AC provides a slightly larger capacity at 60 GB. This range of storage makes both models suitable for users looking for dependable space for documents, multimedia files, and software applications. Both drives utilize a 2.5-inch form factor, ideal for mobile computing, as they are lightweight and designed to fit into space-constrained environments.

In terms of performance, both drives operate at a spindle speed of 5400 RPM. This speed strikes a balance between power consumption and performance, making these drives an efficient choice for everyday tasks, such as web browsing and office applications. The drives are equipped with an interface of Ultra ATA/133, which enables faster data transfer rates compared to older models, thereby enhancing overall system responsiveness.

The MHW2040AC and MHW2060AC also incorporate several advanced technologies to bolster their performance and reliability. One such feature is the use of a fluid dynamic bearing (FDB) for the spindle motor, which minimizes noise and vibration, thus improving the overall user experience. Additionally, both drives come with error correction technology that helps maintain data integrity by detecting and correcting errors during read and write operations.

Moreover, these HDDs feature a shock sensor that can detect sudden movements, allowing the drive to park its heads to prevent data loss and hardware damage. This is particularly beneficial in mobile environments where the risks of impact are higher.

Both the MHW2040AC and MHW2060AC are designed with energy-saving features, making them an environmentally responsible choice for energy-conscious consumers. Their low power consumption not only contributes to a reduced carbon footprint but also extends battery life for portable devices.

In summary, the Fujitsu MHW2040AC and MHW2060AC are reliable, efficient, and user-friendly hard disk drives that combine moderate capacities with advanced features designed to enhance performance, ensure data integrity, and extend device longevity. These drives are well-suited for a range of applications, making them a solid choice for users seeking dependable storage solutions.
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