NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 710
NHE6300ESB S L7XJ
Manufacturer Part Number
NHE6300ESB S L7XJ
Description
Manufacturer
Intel
Datasheet
1.NHE6300ESB_S_L7XJ.pdf
(848 pages)
Specifications of NHE6300ESB S L7XJ
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Table 636. SIU Signal Reset States
19.5.1.3 Internal Register Descriptions
Table 637. Internal Register Descriptions
Intel
DS
710
®
6300ESB I/O Controller Hub
There are 12 registers in the UART. These registers share eight address locations in the
I/O address space.
base address. Note that the state of the Divisor Latch Bit (DLAB), which is the MOST
significant bit of the Serial Line Control Register, affects the selection of certain of the
UART registers. The DLAB bit must be set high by the system software to access the
Baud Rate Generator Divisor Latches.
Interrupt Enable Register
Interrupt ID Register
Line Control Register
Line Status Register
Modem Control Register
Modem Status Register
SIU0_TXD
SIU1_TXD
SIU_SERIRQ
SIU0_RTS#
SIU1_RTS#
SIU0_DTR#
SIU1_DTR#
Base
Base
Base + 01H
Base + 02H
Base + 02H
Base + 03H
Base + 04H
Base + 05H
Base + 06H
Base + 07H
Base
Base + 01H
(Base + offset)
UART Register
Register/Signal
Addresses
Table 637
RESET
RESET
RESET
RESET
RESET
RESET/Modem signal,
read MSR for bits 3-0.
RESET
RESET/ clear LINE
STATUS REG
RESET
RESET
DLAB Bit
Value
X
X
X
X
X
X
X
1
0
0
0
1
shows the registers and their addresses as offsets of a
Reset Control
Receive BUFFER (read only)
Transmit BUFFER (write only)
Interrupt Enable (R/W)
Interrupt I.D. (read only)
FIFO Control (write only)
Line Control (R/W)
Modem Control (R/W)
Line Status (Read only)
Modem Status (Read only)
Scratch Pad (R/W)
Divisor Latch (Lower Byte, R/W)
Divisor Latch (Upper Byte, R/W)
All bits are low.
Bit 0 is forced high. Bits 1-3 and 6-7 are forced
low. Bits 4-5 are permanently low.
All bits are forced low.
Bits 0-4, and 7 are forced low. Bits 5 and 6 are
forced high.
Bits 0, 1, 2, 3, 4 are forced low. Bits 5, 6, and 7
are permanently low.
Low
High
Low
High
High
Register Accessed
Reset State
Order Number: 300641-004US
Intel
®
6300ESB ICH—19
November 2007
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