NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 705
NHE6300ESB S L7XJ
Manufacturer Part Number
NHE6300ESB S L7XJ
Description
Manufacturer
Intel
Datasheet
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Specifications of NHE6300ESB S L7XJ
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19—Intel
Table 630. Universal Asynchronous Receive And Transmit (UART0, UART1)
November 2007
Order Number: 300641-004US
®
6300ESB ICH
(Sheet 2 of 2)
SIU0_CTS#,
SIU1_CTS#
SIU0_DSR#,
SIU1_DSR#
SIU0_DCD#,
SIU1_DCD#
SIU0_RI#
SIU1_RI#
SIU0_DTR#,
SIU1_DTR#
SIU0_RTS#,
SIU1_RTS#
Signal Name
Type
O
O
I
I
I
I
CLEAR TO SEND: Active low, this pin indicates that data may be
exchanged between the Intel
These pins have no effect on the transmitter.
NOTE: These pins could be used as Modem Status Input whose
DATA SET READY for UART0 and UART1: Active low, this pin
indicates that the external agent is ready to communicate with the
Intel
transmitter.
NOTE: These pins could be used as Modem Status Input whose
DATA CARRIER DETECT for UART0 and UART1: Active low, this
pin indicates that data carrier has been detected by the external
agent.
NOTE: These pins are Modem Status Input whose condition may be
RING INDICATOR for UART0 and UART1: Active low, this pin
indicates that a telephone ringing signal has been received by the
external agent.
NOTE: These pins are Modem Status Input whose condition may be
DATA TERMINAL READY for UART0 and UART1: When low these
pins informs the modem or data set that the Intel
UART0 and UART1 are ready to establish a communication link. The
DTR#x(x=0,1) output signals may be set to an active low by
programming the DTRx (x-0,1) (bit0) of the Modem control register to
a logic ‘1’. A Reset operation sets this signal to its inactive state (logic
‘1’). LOOP mode operation holds this signal in its inactive state.
REQUEST TO SEND for UART0 and UART1: When low these pins
informs the modem or data set that Intel
UART1 are ready to establish a communication link. The
RTS#x(x=0,1) output signals may be set to an active low by
programming the RTSx (x-0,1) (bit1) of the Modem control register to
a logic ‘1’. A Reset operation sets this signal to its inactive state (logic
‘1’). LOOP mode operation holds this signal in its inactive state.
®
6300ESB ICH UARTs. These pins have no effect on the
condition may be tested by the processor by reading bit 4
(CTS) of the Modem Status register (MSR). Bit 4 is the
complement of the CTS# signal. Bit 0 (DCTS) of the MSR
indicates whether the CTS# input has changed state since the
previous reading of the MSR. When the CTS bit of the MSR
changes state an interrupt is generated if the Modem Status
Interrupt is enabled.
condition may be tested by the processor by reading bit 5
(DSR) of the Modem Status register. Bit 5 is the complement of
the DSR# signal. Bit 1 (DDSR) of the Modem status register
(MSR) indicates whether the DSR# input has changed state
since the previous reading of the MSR. When the DSR bit of the
MSR changes state an interrupt is generated if the Modem
Status Interrupt is enabled.
tested by the processor by reading bit 7 (DCD) of the Modem
Status register (MSR). Bit 7 is the complement of the DCD#
signal. Bit 3 (DDCD) of the MSR indicates whether the DCD#
input has changed state since the previous reading of the MSR.
When the DCD bit of the MSR changes from a ’1’ to 0, an
interrupt is generated if the Modem Status Interrupt is
enabled.
tested by the processor by reading bit 6 (RI) of the Modem
Status register (MSR). Bit 6 is the complement of the RI#
signal. Bit 2 (TERI) of the MSR indicates whether the RI# input
has transition back to an inactive state. When the RI bit of the
MSR changes state an interrupt is generated if the Modem
Status Interrupt is enabled.
®
Description
6300ESB ICH and external interface.
Intel
®
6300ESB ICH UART0 and
®
6300ESB I/O Controller Hub
®
6300ESB ICH
705
DS
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