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Maps and Registers
ATCA-7370/ATCA-7370-S Installation and Use (6806800P54G)
133
6.2.5.3
Interrupt Enable Register (IER)
This register enables four types of interrupts which independently activate the int signal and
sets a value in the Interrupt Identification Register. Each of the four interrupt types can be
disabled by resetting the appropriate bit of the IER register. Similarly, by setting the appropriate
bits, selected interrupts can be enabled.
Table 6-30 Interrupt Enable Register (IER), if DLAB=0
LPC IO Address: Base + 1
Bit
Description
Default
Access
0
Receive data interrupt enable/disable:
1: receive data interrupt enabled
0: receive data interrupt disabled
0
LPC: r/w
1
Transmitter holding register empty (THRE)
interrupt enable/disable
1: THRE interrupt enabled
0: THRE interrupt disabled
0
LPC: r/w
2
Receiver line status interrupt enable/disable
1: receiver line status interrupt enabled
0: receiver line status interrupt disabled
0
LPC: r/w
3
Modem status interrupt enable/disable:
1: modem status interrupt enabled
0: modem status interrupt disabled
0
LPC :r/w
7:4
Reserved
0
LPC: r
Содержание ATCA-7370
Страница 1: ...ATCA 7370 ATCA 7370 S Installation and Use P N 6806800P54G September 2014 ...
Страница 16: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 16 List of Tables ...
Страница 18: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 18 List of Figures ...
Страница 30: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G Safety Notes 30 ...
Страница 36: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G Sicherheitshinweise 36 ...
Страница 40: ...Introduction ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 40 Figure 1 1 Declaration of Conformity ...
Страница 74: ...Controls Indicators and Connectors ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 74 ...
Страница 102: ...BIOS ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 102 ...
Страница 246: ...Firmware Upgrade ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 246 ...
Страница 248: ...Troubleshooting ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 248 ...
Страница 250: ...Related Documentation ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 250 ...
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