User manual

8. Serial Controller
80
Register: Divisor Latch MSB
Address: 3F9h DIV=1
Access: Read and Write
D15 D14
D13 D12
D11 D10 D9
D8
76 5
43
21 0
Divisor Latch MSB
Interrupt Control Register
Register: Interrupt Control
Address: 3F9h DIV=0
Access: Read and Write
0
MSI LSI TBI RBI
76
54 3210
000
Receive Buffer Interrupt
0 Disabled
1 Enabled
Transmit Buffer Interrupt
Line Status Interrupt
Modem Status Interrupt
0 Disabled
1 Enabled
0 Disabled
1 Enabled
0 Disabled
1 Enabled
Interrupt Control Register