IT8712F Datasheet, PDF (61/189 Pages) List of Unclassifed Manufacturers – Environment Control -Low Pin Count Input / Output(EC - LPC I/O)

Configuration
8.5 Serial Port 1 Configuration Registers (LDN=01h)
8.5.1 Serial Port 1 Activate (Index=30h, Default=00h)
Bit
7-1 Reserved
0 Serial Port 1 Enable
1: Enabled.
0: Disabled.
Description
8.5.2 Serial Port 1 Base Address MSB Register (Index=60h, Default=03h)
Bit
Description
7-4 Read only as “0h” for Base Address[15:12].
3-0 Read/write, mapped as Base Address[11:8].
8.5.3 Serial Port 1 Base Address LSB Register (Index=61h, Default=F8h)
Bit
Description
7-3 Read/write, mapped as Base Address[7:3].
2-0 Read only as “000b.”
8.5.4 Serial Port 1 Interrupt Level Select (Index=70h, Default=04h)
Bit
Description
7-4 Reserved with default “0h.”
3-0 Select the interrupt level ^Note1 for Serial Port 1.
8.5.5 Serial Port 1 Special Configuration Register 1 (Index=F0h, Default=00h)
Bit
7 Reserved
6-4 Serial Port 1 Mode ^Note3
000: Standard (default)
001: IrDA 1.0 (HP SIR)
010 : ASKIR
100 : Smart Card Reader (SCR)
else : Reserved
3 Reserved with default “0.”
2-1 Clock Source.
00: 24 MHz/13 (Standard)
01: 24 MHz/12 (MIDI)
10: Reserved
11: Reserved
0 1: IRQ sharing.
0: Normal.
Description
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IT8712F V0.81