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Maps and Registers
ATCA-7490 Installation and Use (6806800U11F)
125
5.1.4.2.7 Modem Control Register (MCR)
This 8-bit register controls the interface with the modem or data set (or a peripheral device
emulating a modem).
Table 5-32 Modem Control Register (MCR)
LPC IO Address: Base + 4
Bit Description
Default
Access
0
Data terminal ready (DTR#) output control:
1: DTR# output in low (active) state
0: DTR# output in high state
0
LPC: r/w
1
Request to send (#) output control:
1: # output in low (active) state
0: # output in high state
0
LPC: r/w
2
User output control signal (OUT1#):
1: OUT1# output in high state
0: OUT1# output in low state
Not supported
0
LPC: r/w
3
User output control signal (OUT2#):
1: OUT2# output in high state
0: OUT2# output in low state
Not supported
0
LPC: r/w
4
Local loop back diagnostic control
When loop back is activated: Transmitter TXD is set high.
Receiver RXD is disconnected. Output of Transmitter Shift
register is looped back into the receiver shift register input.
Modem control inputs are disconnected Modem control
outputs are internally connected to modem control inputs.
Modem control outputs are forced to the inactive (high)
levels:
1: Loop back mode activated
0: Normal operation
0
LPC: r/w
Содержание ATCA-7490
Страница 1: ...ATCA 7490 Installation and Use P N 6806800U11F December 2018 ...
Страница 12: ...ATCA 7490 Installation and Use 6806800U11F Contents 12 Contents Contents ...
Страница 20: ...ATCA 7490 Installation and Use 6806800U11F 20 List of Tables ...
Страница 38: ...ATCA 7490 Installation and Use 6806800U11F Sicherheitshinweise 38 ...
Страница 44: ...Introduction ATCA 7490 Installation and Use 6806800U11F 44 ...
Страница 66: ...Hardware Preparation and Installation ATCA 7490 Installation and Use 6806800U11F 66 ...
Страница 88: ...Controls Indicators and Connectors ATCA 7490 Installation and Use 6806800U11F 88 ...
Страница 106: ...Functional Description ATCA 7490 Installation and Use 6806800U11F 106 ...
Страница 199: ...BIOS ATCA 7490 Installation and Use 6806800U11F 199 Add an ISCSI Attempt ...
Страница 226: ...BIOS ATCA 7490 Installation and Use 6806800U11F 226 Figure 6 25 Event Log Viewer ...
Страница 356: ...IPMI Feature Set ATCA 7490 Installation and Use 6806800U11F 356 ...
Страница 360: ...Replacing the Battery ATCA 7490 Installation and Use 6806800U11F 360 ...
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