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28
VIII. TROUBLESHOOTING
27
VII. SPECIFICATIONS
25
BAUD RATE SELECTION
24
FIFO polled mode operation (16550 UART only)
23
FIFO INTERRUPT MODE OPERATION (16550 UART
only)
22
SCRATCHPAD
REGISTER
22
MODEM STATUS REGISTER
21
LINE STATUS REGISTER
20
MODEM CONTROL REGISTER
19
LINE CONTROL REGISTER
18
FIFO CONTROL REGISTER (16550 only)
16
INTERRUPT IDENTIFICATION REGISTER
16
INTERRUPT ENABLE REGISTER
15
Accessing the Serial Port registers
14
VI. SERIAL PORT FUNCTIONAL
DESCRIPTION
10
V. EXTERNAL CONNECTIONS
9
Interrupt Sharing
8
IV. SETTING INTERRUPT LEVELS (IRQS)
6
Enabling or disabling ports
4
Setting the address
4
III. ENABLING AND ADDRESSING PORTS
2
II. INSTALLATION
1
I. GENERAL INFORMATION
Table of Contents
Quatech
DS-102 User's Manual