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C141-E064-03EN 2 - 7
2.2 SCSI Function Specifications
Table 2.3 shows the SCSI functions provided with the IDD.
Table 2.3 SCSI function specifications
Item Specification
Single-ended type
Ο
HVD type (High Voltage Differential)
×
LVD type (Low Voltage Differential)
Ο
Single-ended type Position where the terminating
resistor is mounted on the PCA
×
Differential type Position where the terminating
resistor is mounted on the PCA
×
TERMPWR signal send function
Ο
68 pin P cable connector
Ο
80 pin SCA2 connector
Ο
Data bus parity (*2)
Ο
Bus arbitration function
Ο
Disconnection/reconnection function
Ο
SCSI ID 16-bit SCSI #0 to #15
(Jumper selection)
LUN (logical unit number) #0 fixed
Data transfer
(Synchronous
mode)
8-bit SCSI (Single-Ended type)
(LVD type)
16-bit SCSI (Single-Ended type)
(LVD type)
(160/m LVD type)
Ο 20 MB/s max.
Ο 40 MB/s max.
Ο 40 MB/s max.
Ο 80 MB/s max.
Ο 160 MB/s max.
Data buffer
2 MB (LC/LP) or 4 MB
(MC/MP) programmable multi-
segment buffer (1 to 32)
Data block length (Logical data length=Physical data length) (*3)
512 to 528 bytes
(Fixed length)
Ο : Provided × : Not provided
(*1) Single-Ended and LVD detect the driver mode by Diffsence signal and automatically change.
(*2) Data bus CRC on MC/MP models.
(*3) Refer to (12) of Section 1.1.
Addressing
Connector
Electrical
requirements
(*1)