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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
Summary of Contents for ATCA-7370
Page 1: ...ATCA 7370 ATCA 7370 S Installation and Use P N 6806800P54G September 2014 ...
Page 16: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 16 List of Tables ...
Page 18: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 18 List of Figures ...
Page 30: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G Safety Notes 30 ...
Page 36: ...ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G Sicherheitshinweise 36 ...
Page 74: ...Controls Indicators and Connectors ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 74 ...
Page 102: ...BIOS ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 102 ...
Page 246: ...Firmware Upgrade ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 246 ...
Page 248: ...Troubleshooting ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 248 ...
Page 250: ...Related Documentation ATCA 7370 ATCA 7370 S Installation and Use 6806800P54G 250 ...
Page 251: ......