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參數(shù)資料
| 型號： | IT8712F |
| 英文描述： | EC-LPC I/O Programming Guide EC-v0.2 | PC Product Line |
| 中文描述： | 歐盟預(yù)測編碼的I / O編程指南歐共體v0.2 |個人電腦產(chǎn)品線 |
| 文件頁數(shù)： | 15/30頁 |
| 文件大小： | 311K |
| 代理商： | IT8712F |
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Programming Sequence and Flow Charts
4.4.1.4 Serial Port 2 Special Configuration Register 1 (Index=F0h, Default=00h)
Bit
7-1
Reserved
0
S2_IRQ_SHR (Serial Port 2 Interrupt Request Sharing)
0: Normal (default).
1: Enable S2 IRQ sharing.
4.4.1.5 Serial Port 2 Special Configuration Register 2 (Index=F1h, Default=50h)
Bit
7
IR_R2T_DLY (IR RX to TX Delay Mode)
0: Transmission delays (40 bits) when the SIR or ASKIR is switched from RX mode to TX mode.
(default)
1: No transmission delays (40 bits) when the SIR or ASKIR is switched from RX mode to TX mode.
6
IR_T2R_DLY (IR TX to RX Delay Mode)
0: Transmission delays (40 bits) when the SIR or ASKIR is switched from TX mode to RX mode.
1: No transmission delays (40 bits) when the SIR or ASKIR is switched from TX mode to RX mode
(default).
5
Reserved with default “0b”
4
HF_DLX (Half Duplex Enable)
0: Full Duplex
1: Half Duplex (default)
3 Reserved with default “0b”
2-0
S2_MOD (Serial Port 2 Mode)
000: Standard (default)
001: IrDA SIR
010: ASKIR
100: Smart Card Reader (SCR)
else: Reserved
4.4.1.6 Serial Port 2 Special Configuration Register 3 (Index=F2h, Default=00h)
Bit
Description
7
COM_PNP_EN
0: Disable COM Port device Plug-and-Play operation (default).
1: Enable COM Port device Plug-and-Play operation.
6-5
Reserved
4
PNP_ID
This bit is only available when bit 7=1.
0: PNP_ID Access mode (default).
1: Normal Plug-and-Play operation mode.
3
Reserved
2
SCPWR_POR (SCPWR Polarity)
0: Active low (default).
1: Active high.
1-0
SCCLK_SEL1-0 (SCCLK Frequency Selection)
00: Stop (default)
01: 3.5 MHz
10: 7.1 MHz
11: Special Frequency (96 MHz/SCDIV)
Description
Description
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| IT8712F-A | 制造商:Protek Power / ITE Power Supplies 功能描述: |
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