pc87317vul National Semiconductor Corporation, pc87317vul Datasheet - Page 190

• Manufacturer Part Number: pc87317vul
• Description: Pc87317vul/pc97317vul Superi/o Plug And Play Compatible With Acpi Compliant Controller/extender
• Manufacturer: National Semiconductor Corporation

www.national.com
Bit 6 - Reserved
Bit 7 - Automatic Module Configuration (AMCFG)
7.19 UART2 WITH IR REGISTER BITMAPS
7
7
Bit 5 of IRCFG4
0: Pin’s direction is input.
1: Pin’s direction is output.
Read/write 0.
When set to 1, this bit enables automatic infrared con-
figuration.
TABLE 7-29. Infrared Receiver Input Selection
(IRSL0_DS)
1. IRCFG4 is in bank 7, offset 07h. It is
2. AUX_IRRX (bit 4 of IRCR2) is described on
6
6
described on page 189.
page 183.
5
5
0
0
1
1
4
4
3
3
1
Transmitted Data
Received Data
2
2
Read Cycles
Write Cycles
Bit 4 of IRCR2
(AUX_IRRX)
1
1
0
0
0
1
0
1
Reset
Required
Reset
Required
Enhanced Serial Port with IR - UART2 (Logical Device 5)
2
Transmitter Data
Selected IRRX
Register (RXD)
Register (TXD)
Receiver Data
IRRX1
IRRX2
IRRX1
Offset 00h
Offset 00h
1
Bank 0,
Bank 0,
190
0
0
7
0
0
0
0
7
7
7
Reserved
Reserved
FEN1 - FIFO Enabled
0
0
6
0
0
0
RXFTH1
6
6
0
6
Reserved
FEN0 - FIFO Enabled
Reserved
0
RXFTH0
5
0
0
0
5
5
0
Non-Extended Modes, Read Cycles
5
0
TXEMP_IE
TXEMP-EV
Extended Mode, Read Cycles
TXFTH1
4
0
0
0
0
4
4
4
Reserved
DMA_IE
DMA_EV
0
TXFTH0
3
0
0
0
0
3
Reserved
3
3
MS_IE
0
MS_EV
2
0
RXFT - RX_FIFO Time-Out
0
Reserved
Write Cycles
0
2
2
2
Extended Mode
LS_EV or TXHLT_EV
LS_IE or TXUR_IE
TXSR
0
1
0
0
IPR1 - Interrupt Priority 1
0
1
1
1
TXLDL_EV
TXLDL_IE
0
IPR0 - Interrupt Priority 0
RXSR
0
1
1
0
0
0
0
Reset
Required
RXHDL_EV
Reset
Required
IPF - Interrupt Pending
Reset
Required
RXHDL_IE
Reset
Required
FIFO_EN
Event Identification
Event Identification
Interrupt Enable
Register (FCR)
Register (IER)
Register (EIR)
Register (EIR)
FIFO Control
Offset 01h
Offset 02h
Offset 02h
Offset 02h
Bank 0,
Bank 0,
Bank 0,
Bank 0,