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PC87393 Datenblatt(PDF) 53 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer PC87393
Bauteilbeschribung  100-Pin LPC SuperI/O Devices for Portable Applications
PDF  148 Pages
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87393 Datenblatt(HTML) 53 Page - National Semiconductor (TI)

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2.0 Device Architecture and Configuration (Continued)
53
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2.13 SERIAL PORT 2 CONFIGURATION
2.13.1
General Description
Serial Port 2 includes IR functionality as described in the Serial Port 2 with IR chapter.
2.13.2
Logical Device 2 (SP2) Configuration
Table 21 lists the configuration registers which affect the Serial Port 2. Only the last register (F0h) is described here. See
Sections 2.2.3 and 2.2.4 for descriptions of the others.
Table 21. Serial Port 2 Configuration Registers
Index
Configuration Register or Action
Type
Reset
30h Activate. See also bit 0 of the SIOCF1 register and bit 2 of the SIOCF6 register. R/W
00h
60h Base Address MSB register. Bits 7-3 (for A15-11) are read only, 00000b.
R/W
02h
61h Base Address LSB register. Bit 2-0 (for A2-0) are read only, 000b.
R/W
F8h
70h Interrupt Number and Wake-Up on IRQ Enable register
R/W
03h
71h Interrupt Type. Bit 1 is R/W; other bits are read only.
R/W
03h
74h DMA Channel Select 0 (RX_DMA)
R/W
04h
75h DMA Channel Select 1 (TX_DMA)
R/W
04h
F0h Serial Port 2 Configuration register
R/W
02h



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