W83627EG Nuvoton Technology Corporation of America, W83627EG Datasheet - Page 40
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W83627EG
Manufacturer Part Number
W83627EG
Description
IC I/O CONTROLLER 128-QFP
Manufacturer
Nuvoton Technology Corporation of America
Specifications of W83627EG
Applications
PC's, PDA's
Interface
LPC
Voltage - Supply
3.3V
Package / Case
128-XFQFN
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W83627EG
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
- Current page: 40 of 287
- Download datasheet (3Mb)
6. CONFIGURATION REGISTER ACCESS PROTOCOL
The W83627EHF/EHG/EF/EG uses Super I/O protocol to access configuration registers to set up
different types of configurations. The W83627EHF/EHG/EF/EG has totally twelve Logical Devices
(from Logical Device 0 to Logical Device B with the exception of Logical Device 4 for backward
compatibility) corresponding to twelve individual functions: FDC (Logical Device 0), Parallel Port
(Logical Device 1), UARTA (Logical Device 2), UARTB (Logical Device 3), Keyboard Controller
(Logical Device 5), GPIO1, GPIO6, Game Port & MIDI Port(Logical Device 7), WDTO# & PLED
(Logical Device 8), GPIO2, 3, 4, 5 & SUSLED (Logical Device 9), ACPI (Logical Device A), and
Hardware Monitor (Logical Device B),. Each Logical Device has its own configuration registers (above
CR30). The host can access those registers by writing an appropriate Logical Device Number into the
Logical Device select register at CR7.
Devices of I/O Base Address
LOGICAL DEVICE
NUMBER
0
1
2
#0
#0
Logical Device No.
Logical Device No.
Logical Device
Logical Device
Logical Device
Logical Device
#1
#1
Configuration
Configuration
#2
#2
Control
Control
#C
#C
W83627EHF/EF, W83627EHG/EG
Parallel Port
FUNCTION
UART A
-29-
FDC
Logical Device
Logical Device
One Per
One Per
Publication Release Date: April 7, 2009
I/O BASE ADDRESS
100h ~ FF8h
100h ~ FF8h
100h ~ FF8h
Version 1.94
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