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PC87311A Datasheet(PDF) 13 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87311A
Description  PC87311A/PC87312 (SuperI/OTM II/III) Floppy Disk Controller with Dual UARTs, Parallel Port, and IDE Interface
PDF  78 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87311A Datasheet(HTML) 13 Page - National Semiconductor (TI)

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20 Configuration Registers (Continued)
TABLE 2-1 Default Configurations Controlled by Hardware
Configuration Pins (CFGn)
(Hex)
Data
Activated Functions
43210
FER e 4F CF
FDC IDE UART1 UART2
ll PORT
PTR e 00
Power Down Clocks Option
00000
FAR e 10
PRI PRI COM1 COM2 LPT2
00001
FAR e 11
PRI PRI COM1 COM2 LPT1
00010
FAR e 11
PRI SEC COM1 COM2 LPT1
00011
FAR e 39
PRI PRI COM3 COM4 LPT1
00100
FAR e 24
PRI PRI COM2 COM3 LPT2
00101
FAR e 38
PRI SEC COM3 COM4 LPT2
FER e 4B CB
FDC IDE UART1
ll PORT
PTR e 00
Power Down Clocks Option
00110
FAR e 00
PRI PRI COM1 LPT2
00111
FAR e 01
PRI PRI COM1 LPT1
01000
FAR e 01
PRI SEC COM1 LPT1
01001
FAR e 09
PRI PRI COM3 LPT1
01010
FAR e 08
PRI PRI COM3 LPT2
01011
FAR e 08
PRI SEC COM3 LPT2
FER e 0F
FDC UART1 UART2
ll PORT
PTR e 00
Power Clocks Option
01100
FAR e 10
PRI COM1 COM2 LPT2
01101
FAR e 11
PRI COM1 COM2 LPT1
01110
FAR e 39
PRI COM3 COM4 LPT1
01111
FAR e 24
PRI COM2 COM3 LPT2
FER e 49 C9
FDC IDE
ll PORT
PTR e 00
Power Down Clocks Option
10000
FAR e 00
PRI PRI LPT2
10001
FAR e 01
PRI PRI LPT1
10010
FAR e 01
PRI SEC LPT1
10011
FAR e 00
PRI SEC LPT2
FER e 07
UART1 UART2
ll PORT
PTR e 00
Power Down Clocks Option
10100
FAR e 10
COM1 COM2 LPT2
10101
FAR e 11
COM1 COM2 LPT1
10110
FAR e 39
COM3 COM4 LPT1
10111
FAR e 24
COM2 COM3 LPT2
FER e 47 C7
IDE UART1 UART2
ll PORT
PTR e 00
Power Down Clocks Option
11000
FAR e 10
PRI COM1 COM2 LPT2
11001
FAR e 11
PRI COM1 COM2 LPT1
13



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