參數(shù)資料
型號： CD1284
廠商： Intel Corp.
英文描述： IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports
中文描述： 符合IEEE 1284兼容并行接口控制器兩個高速異步串行端口
文件頁數(shù)： 5/176頁
文件大?。?/td> 2255K
代理商： CD1284
Datasheet
5
IEEE 1284-Compatible Parallel Interface Controller
—
CD1284
6.5.2
Baud Rate Derivation........................................................................................102
Baud Rate Tables..............................................................................................103
ASCII Code Tables............................................................................................106
6.8.1
Hexadecimal
—
Character ...................................................................106
6.8.2
Decimal
—
Character...........................................................................107
Detailed Register Descriptions
.........................................................................108
7.1
Global Registers................................................................................................108
7.1.1
Channel Access Register.....................................................................108
7.1.2
Global Firmware Revision Code Register ............................................108
7.1.3
General-Purpose I/O Direction Register...............................................109
7.1.4
General-Purpose I/O Register..............................................................109
7.1.5
Modem Interrupting Channel Register .................................................109
7.1.6
Modem Interrupt Register.....................................................................110
7.1.7
Parallel Interrupt Register.....................................................................111
7.1.8
Prescaler Period Register ....................................................................111
7.1.9
Receive Interrupting Channel Register ................................................112
7.1.10 Receive Interrupt Register....................................................................112
7.1.11 Service Request Register.....................................................................112
7.1.12 Transmit Interrupting Channel Register ...............................................113
7.1.13 Transmit Interrupt Register...................................................................113
7.2
Virtual Registers................................................................................................113
7.2.1
Modem Interrupt Status Register .........................................................114
7.2.2
Modem Interrupt Vector Register.........................................................114
7.2.3
Parallel Interrupt Vector Register.........................................................115
7.2.4
Receive Data/Status Registers ............................................................115
7.2.5
Receive Interrupt Vector Register........................................................116
7.2.6
Transmit Data Register ........................................................................117
7.2.7
Transmit Interrupt Vector Register.......................................................117
7.2.8
End of Service Request Register.........................................................118
7.3
Channel Registers.............................................................................................118
7.3.1
Channel Command Register................................................................118
7.3.2
Channel Control Status Register..........................................................122
7.4
Channel Registers
—
Parallel Pipeline .............................................................123
7.4.1
Channel Option Register 1...................................................................123
7.4.2
Channel Option Register 2...................................................................124
7.4.3
Channel Option Register 3...................................................................125
7.4.4
Channel Option Register 4...................................................................126
7.4.5
Channel Option Register 5...................................................................128
7.4.6
Local Interrupt Vector Register.............................................................128
7.4.7
LNext Character Register.....................................................................129
7.5
Modem Change Option Registers.....................................................................129
7.5.1
Modem Change Option Register 1.......................................................129
7.5.2
Modem Change Option Register 2.......................................................130
7.5.3
Modem Signal Value Register 1...........................................................130
7.5.4
Modem Signal Value Register 2...........................................................131
7.5.5
Receive Baud Rate Period Register.....................................................131
7.5.6
Receive Clock Option Register ............................................................131
7.5.7
Received Data Count Register.............................................................132
Hardware-Activated Service Examples................................................102
6.6
6.7
6.8
7.0
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