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MFC2000 Datasheet(PDF) 331 Page - List of Unclassifed Manufacturers

Part # MFC2000
Description  Multifunctional Peripheral Controller 2000
PDF  426 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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MFC2000 Datasheet(HTML) 331 Page - List of Unclassifed Manufacturers

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Hardware Description
MFC 2000 Multifunctional Peripheral Controller 2000
100723A
Conexant
17-9
Parallel Port Data Bus Status Register
Address
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Default
Parallel Port Data
Bus Status Reg.
(PIODataBusSTS)
$01FF820B (R)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
Rst. Value
xxh
Read Value
00h
Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Parallel Port Data
Bus Status Reg.
(PIODataBusSTS)
$01FF820A (R)
PDBUS(7)
PDBUS(6)
PDBUS(5)
PDBUS(4)
PDBUS(3)
PDBUS(2)
PDBUS(1)
PDBUS(0)
Rst. Value
00h
Read Value
00h
PPDBUS Data Bus Status
This 8 bit field is the status of the parallel port data bus ippid[7:0]. This
normally is needed only for diagnostic purposes. This is a read-only
status register.
Parallel Port Host Timeout Register
Address
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Default
Parallel Port Host
Timeout Reg.
(PIOHostTimeOut)
$01FF820D
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
Rst. Value
xxh
Read Value
00h
Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Parallel Port Host
Timeout Reg.
(PIOHostTimeOut)
$01FF820C
HTIM(7)
HTIM(6)
HTIM(5)
HTIM(4)
HTIM(3)
HTIM(2)
HTIM(1)
HTIM(0)
Rst. Value
00h
Read Value
00h
HTIM
Host Timeout
This 8 bit field controls the timer for the host timeout error interrupt
HTE. The timer counts from the system timer which is usually
programmed to count every 8 msec. HTTM is usually programmed
with a value of 0x7d (125) so that a host timeout interrupt occurs after
1 sec. If the host timeout error interrupt HTE is not desired, then
interrupt enable should be false.



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