w6692 Winbond Electronics Corp America, w6692 Datasheet - Page 70
w6692
Manufacturer Part Number
w6692
Description
Pci Bus Isdn S/t-controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W6692.pdf
(104 pages)
- Current page: 70 of 104
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XMODE = 1: 8-bit multiplexed microprocessor mode
register. The address written in this register is output on XAD7-0 in address phase of data access and can be latched by XALE
signal.
8.1.34 Peripheral Data Register
Value after reset: Undefined
The register content depends on PCTL:XMODE setting.
XMODE = 1 : 8-bit multiplexed microprocessor mode
IO5-4
IO7-6
XA7-0
XMODE = 0 : Simple IO mode
IO9-8
IO10
To access peripheral device, first write the peripheral address in this register and then perform read or write at XDATA
On write operation, the data are driven to pins IO3-2 only if PCTL:OE1=1.
On read operation, these are the present values of pins IO5-4.
On write operation, the data are driven to pins IO5-4 only if PCTL:OE2=1.
On read operation, these are the present values of pins IO7-6.
On write operation, the data are driven to pins IO7-6 only if PCTL:OE3=1.
Input data of pins IO9-8 if PCTL:OE4=0.
Output data of pins IO9-8 if PCTL:OE4=1.
Input data of pins IO10 if PCTL:OE5=0.
Output data of pins IO10 if PCTL:OE5=1.
XA7
7
7
Read or Write Data of Pins IO10
Read or Write Data of Pins IO5-4
Read or Write Data of Pins IO7-6
Read or Write Data of Pins IO9-8
Peripheral Address
XA6
6
6
XA5
5
5
XA4
4
4
XA3
3
3
XDATA
IO10
XA2
2
2
-70 -
XA1
IO9
1
1
Read/Write
XA0
IO8
W6692 PCI ISDN S/T-Controller
0
0
Publication Release Date:
Preliminary Data Sheet
Address F8H/3EH
Sep 30, 1999
Revision 0.9
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