Avago Technologies LSI53C180 - Manual (Page 39)

Signal Descriptions 3-5
Table 3.1 SCSI A Side Interface Pins
SCSI A BGA Pin Type Description
A_SSEL+,
−
M15, M16 I/O A Side SCSI bus Select control signal.
A_SBSY+,
−
H16, H17 I/O A Side SCSI bus Busy control signal.
A_SRST+,
−
L17, K16 I/O A Side SCSI bus Reset control signal.
A_SREQ+,
−
P16, P17 I/O A Side SCSI bus Request control signal.
A_SACK+,
−
J16, J17 I/O A Side SCSI bus Acknowledge control signal.
A_SMSG+,
−
M17, L16 I/O A Side SCSI bus Message control signal.
A_SCD+,
−
N16, N17 I/O A Side SCSI bus Control and Data control signal.
A_SIO+,
−
R16, R17 I/O A Side SCSI bus Input and Output control signal.
A_SATN+,
−
G16, G17 I/O A Side SCSI bus Attention control signal.
A_SDP[1:0]+,
−
C12, B12, F16, F17 I/O A Side SCSI bus Data Parity signal.
A_SD[15:0]+,
−
A12, B11, A11, B10,
C10, A10, B9, A9,
T14, U14, R14, T15,
U15, R15, T16, T17,
E16, E17, D16, D17,
D15, C16, C17, B17,
B16, A16, B15, A15,
B14, A14, B13, A13 I/O A Side SCSI bus Data signals.
A_DIFFSENS A8 I A Side SCSI bus Differential Sense signal.
A_RBIAS K17 RBIAS LVD current control.