w83627sf Winbond Electronics Corp America, w83627sf Datasheet - Page 138

• Manufacturer Part Number: w83627sf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

CRFE, FF (Default 0x00)
13.12 Logical Device B (Smart Card interface)
CR30 (Default 0x00)
CR60, CR 61 (Default 0x00, 0x00)
CR70 (Default 0x00)
13.13 Logical Device C (GPIO Port 5,6,7 This power of the Ports is Source VCC)
CR30 (Default 0x07)
CR60, CR 61 (Default 0x00)
CRF0 (GP50-GP56 I/O selection register. Default 0x00 Bit 7: Reserved)
When set to a '1', respective GPIO port is programmed as an input port.
When set to a '0', respective GPIO port is programmed as an output port.
Reserved for Winbond test.
These two registers select Smart Card interface base address [0x100:0xFFF] on 8-byte boundary.
These two registers select the GP5, GP6, GP7 port base address [0x100:0xFFF] on 4 byte
boundary. GP5 is accessible through "base address", GP6 "base address" +1, and GP7 "base
address" +2.
Bit 7 - 1 : Reserved.
Bit 0
Bit 7 - 4 : Reserved.
Bit 3 - 0 : These bits select IRQ resource for Smart Card interface.
Bit 7 - 3 : Reserved.
Bit 2
Bit 1
Bit 0
= 1 Activates the logical device.
= 0 Logical device is inactive.
= 1 Activate GP7.
= 0 GP7 is inactive.
= 1 Activate GP6.
= 0 GP6 is inactive.
= 1 Activate GP5
= 0 GP5 is inactive.
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Publication Release Date: Nov. 2000
PRELIMINARY
W83627SF
Revision 0.60