參數(shù)資料
型號(hào): IT8228E
英文描述: LPC Media I/F Specification v0.2 | PC Product Line
中文描述: LPC媒體我/女規(guī)格v0.2 |個(gè)人電腦產(chǎn)品線
文件頁數(shù): 40/93頁
文件大?。?/td> 479K
代理商: IT8228E
7.8
7.8.1
www.ite.com.tw
IT8228E V0.2
30
IT8228E
Smart Card Reader Configuration Registers (LDN=04h)
Smart Card Reader Activate (Index=30h, Default=00h)
Bit
7-1
0
Description
Reserved
SCR_EN (Smart Card Reader Activation)
0: Disabled (default).
1: Smart Card Reader enabled.
7.8.2
Smart Card Reader Base Address MSB Register (Index=60h, Default=03h)
Bit
7-4
3-0
Description
Read only
, with “0h” for Base Addresses [15:12].
Mapped as Base Addresses [11:8].
7.8.3
Smart Card Reader Base Address LSB Register (Index=61h, Default=38h)
Bit
7-3
2-0
Description
Read/write
mapped as Base Addresses [7:3].
Read only
as “000b.”
7.8.4
Smart Card Reader Interrupt Level Select (Index=70h, Default=09h)
Bit
7-4
3-0
Description
Reserved with default “0h.”
Select the interrupt level
Note1
for SCR.
7.8.5
Smart Card Reader Special Configuration Register 1 (Index=F0h, Default=02h)
Bit
7
Description
COM_PNP_EN
0: Disable COM Port device Plug-and-Play operation (default).
1: Enable COM Port device Plug-and-Play operation.
Reserved
PNP_ID
This bit is only available when bit 7=1
0: PNP_ID Access mode (default).
1: Normal Plug-and-Play operation mode.
SCR_IRQ_SHR (SCR Interrupt Request Sharing).
0: Normal (default).
1: Enable SCR IRQ sharing.
SCPWR_POR (SCPWR Polarity)
0: Active low (default).
1: Active high.
SCCLK_SEL1-0 (SCCLK Frequency Selection)
00: Stop (default)
01: 3.5 MHz
10: 7.1 MHz
11: Special Frequency ( 96 MHz/SCDIV)
6-5
4
3
2
1-0
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