FDC37C93XAPM View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

FDC37C93XAPM

Plug and Play Compatible Ultra I/O™ Controller with Soft Power Management

SMSC -> Microchip 

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PS/2 Model 30 Mode

7

6

nDRV2 nDS1

RESET N/A

1

COND.

5

nDS0

1

4

WDATA

F/F

0

3

RDATA

F/F

0

2

WGATE

F/F

0

1

nDS3

1

0

nDS2

1

BIT 0 nDRIVE SELECT 2

Active low status of the DS2 disk interface

output.

BIT 1 nDRIVE SELECT 3

Active low status of the DS3 disk interface

output.

BIT 2 WRITE GATE

Active high status of the latched WGATE output

signal. This bit is latched by the active going

edge of WGATE and is cleared by the read of

the DIR register.

BIT 3 READ DATA

Active high status of the latched RDATA output

signal. This bit is latched by the inactive going

edge of RDATA and is cleared by the read of the

DIR register.

BIT 4 WRITE DATA

Active high status of the latched WDATA output

signal. This bit is latched by the inactive going

edge of WDATA and is cleared by the read of

the DIR register. This bit is not gated with

WGATE.

BIT 5 nDRIVE SELECT 0

Active low status of the DS0 disk interface

output.

BIT 6 nDRIVE SELECT 1

Active low status of the DS1 disk interface

output.

BIT 7 nDRV2

Active low status of the DRV2 disk interface

input.

20

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