Datasheet

SLCFxxxM2TU(I)(-x) CompactFlash Card
Datasheet
61000-07000-106, May 2011 54
6.0 Registers
This chapter lists the registers of the CF Card. Refer to CompactFlash standards for further details.
6.1 Configuration Registers
In PC Card Mode, four configuration registers, as listed in Table 28, are used.
Note: In TrueIDE Mode, these registers cannot be used.
Table 28: Configuration Registers
Configuration Register
Description
Configuration Option Register
This register is used to configure and observe the status of the CF
Card, and to issue soft resets to it. Also, the Index bits of this register
are used to select the PC Card mapping mode that the CF Card uses:
1) PC Card Memory, 2) PC Card Contiguous I/O, 3).PC Card Primary
I/O, and 4) PC Card Secondary I/O
Configuration and Status Register
This register is used for observing the CF Card state.
Pin Replacement Register
This register is used for providing the signal state of -IREQ when the
CF Card is configured in the PC Card I/O Mode.
Socket and Copy Register.
This read/write register is used to identify the CF Card from other
devices. This register should be set by the host before this
Configuration Option register is set.