Description; Features - Epson S1R72104 Technical Manual

1. DESCRIPTION

S1R72104 is a SCSI interface control IC compatible with SCAM and FAST20 transfer.

2. FEATURES

«CPU Interface»
Connectable to a general-purpose CPU
«SCSI Interface»
Compatible with SCSI-2 (10Mbps (synchronous), 5Mbps (asynchronous))
Compatible with SCSI-3 FAST20 (20Mbps (synchronous))
Compatible with SCAM Lv.1 (compatible with Lv.2 with firmware)
Automatic processing of phase control
Built-in single end driver
Active negation I/O mounted
«PORT Interface»
Connectable directly to an IDE (ATA) DMA port.
Operational also as a general-purpose port.
«Others»
Built-in oscillation circuit: 20MHz/22.5MHz/40MHz
Built-in PLL circuit
100 pin QFP (0.5 mm pitch)
Supply voltage: 5.0V±10% and 3.3V±0.3V
No anti-radiation design
Rev.1.1
S1R72104 Technical Manual
EPSON 1