參數(shù)資料
型號: SYM53C180
廠商: LSI Corporation
英文描述: Ultra3 SCSI Bus Expander(Ultra2 SCSI總線擴展器)
中文描述: 個Ultra3 SCSI總線擴展(Ultra2的SCSI總線擴展器)
文件頁數(shù): 40/78頁
文件大?。?/td> 1073K
代理商: SYM53C180
3-6
Specifications
Table 3.2
SCSI B Side Interface Pins
SCSI B
Pin
Type
Description
B_SSEL+,-
H2, J1
I/O
B Side SCSI bus Select control signal.
B_SBSY+,-
M3, N1
I/O
B Side SCSI bus Busy control signal.
B_SRST+,-
K2, L1
I/O
B Side SCSI bus Reset control signal.
B_SREQ+,-
G1, G2
I/O
B Side SCSI bus Request control signal.
B_SACK+,-
M1, M2
I/O
B Side SCSI bus Acknowledge control signal.
B_SMSG+,-
J2, K1
I/O
B Side SCSI bus Message control signal.
B_SCD+,-
H3, H1
I/O
B Side SCSI bus Control and Data control signal.
B_SIO+,-
F1, F2
I/O
B Side SCSI bus Input and Output control signal.
B_SATN+,-
N2, P1
I/O
B Side SCSI bus Attention control signal.
B_SDP[1:0]+,-
T9, U9, P3, P2
I/O
B Side SCSI bus Data Parity signal.
B_SD[15:0]+,-
T10, U10, T11, U11,
T12, U12, T13, U13,
B1, B2, C1, C2,
D1, D2, E1, E2,
R2, R3, T2, U2,
T3, U3, T4, U4,
T5, U5, R6, T6,
T7, U7, T8, R8
I/O
B Side SCSI bus Data signals.
B_DIFFSENS
C3
I
B Side SCSI bus Differential Sense signal.
B_RBIAS
R1
RBIAS
LVD current control.
Table 3.3
Chip Interface Control Pins
Control
Pin
Type
Description
RESET/
A7
I
Master Reset for SYM53C180, active LOW.
WS_ENABLE/
B5
I
Enable/disable SCSI transfers through the SYM53C180.
XFER_ACTIVE
A6
O
Transfers through the SYM53C180 are enabled/disabled.
CLOCK
C8
I
Oscillator input for SYM53C180 (40 MHz).
BSY_LED
B6
O
SCSI activity LED output, 8 mA.
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