PCT1789W DATA SHEET
PRELIMINARY
PCT789T-A OPERATING MODES
!!
PCT789T-A OPERATING MODES
PCT789T-A supports operating modes in PCI mode. These options are selected through strap options (pull-up or
pull-down on the input pins) over three mode selection input pins, IMODE[2:0]. A detailed mode configuration table
is shown in Table 4 below.
Table 4 PCT789T-A Operating Mode Configuration
IMODE
Mode Description
I/O Address
Data Bus Width
2
1
1
1
1
0
0
0
0
1
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
Reserved
PCI 32-bit Data Mode (with external CODEC)
32
32
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
PC-TEL, Inc.
13
1789W0DOCDAT06A-0299
ETC [ ETC ]
