w83637hg Winbond Electronics Corp America, w83637hg Datasheet - Page 132

• Manufacturer Part Number: w83637hg
• Description: Winbond Lpc I/o Lpc I/o
• Manufacturer: Winbond Electronics Corp America

CR70 (Default 0x00)
CRF0 (Default 0x00)
8.7 Logical Device D (MS/SD Card Interface)
CR30 (Default 0x00)
CR60, CR61 (Default 0x00, 0x00)
These two registers select MS/SD Card interface base address [0x100:0xFFF] on 8-byte boundary.
CR70 (Default 0x00)
CR74 (Default 0x04)
Bit 7 - 4 : Reserved.
Bit 3 - 0 : These bits select IRQ channel for Smart Card interface.
Bit 7 - 1 : Reserved.
Bit 0
Bit 7 - 3 : Reserved.
Bit 2
Bit 1
Bit 0
Bit 7 - 4 : Reserved.
Bit 3 - 0 : These bits select IRQ channel for MS/SD Card interface.
Bit 7 - 3 : Reserved.
Bit 2 - 0 : These Bits Select DMA Channel for MS/SD Card Port.
SCPSNT_POL (Smart Card Present Polarity). SCPSNT polarity bit.
= 0
= 1
: SD Card Interface Active Bit
= 0 SD card interface is inactive.
= 1 SD card interface is active.
: MS Card Interface Active Bit
= 0 MS card interface is inactive.
= 1 MS card interface is active.
: MS/SD card interface active bit.
= 0 Both MS & SD card interface is inactive.
= 1 Both MS & SD card interface is active.
0x00 = DMA0
0x01 = DMA1
0x02 = DMA2
0x03 = DMA3
0x04 - 0x07 = No DMA active
SCPSNT is active high.
SCPSNT is active low.
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Publication Release Date: March, 2006
W83637HF/HG
Revision 1.6