Samsung WA31273A Technical Manual page 49

6-2-3-14 RESET- (Drive Reset)
This signal is asserted from the host system to reset the drive. It shall be asserted for at
least 25 µsec after voltage levels have stabilized during power on and negated thereafter
unless some event requires that the drive(s) be reset following power on.
Table 6-1 shows the correlation between the signals at the ATA interface and the host
AT bus.
Drive Connector
Signal Name
RESET-
Ground
DB7
DB8
DB6
DB9
DB5
DB10
DB4
DB11
DB3
DB12
DB2
DB13
DB1
DB14
DB0
DB15
Ground
Keypin
WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 6-5
Table 6-1. AT-Bus Interface Signals
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AT INTERFACE and ATA COMMANDS
Direction AT System BUS
←
RESET DRV

Ground
←→
SD7
←→
SD8
←→
SD6
←→
SD9
←→
SD5
←→
SD10
←→
SD4
←→
SD11
←→
SD3
←→
SD12
←→
SD2
←→
SD13
←→
SD1
←→
SD14
←→
SD0
←→
SD15

Ground
No Connection