ATA33 White Electronic Designs Corporation, ATA33 Datasheet - Page 14

• Manufacturer Part Number: ATA33
• Description: Density = 16MB-1GB (2GB) ;; Memory Device = Sandisk Flash ;; Organization = X16/x8 ;; Speed (ns) = 250 ;; Volt = 3/5
• Manufacturer: White Electronic Designs Corporation

PC Card Products
2. Configuration and Status register (Address 202H)
This register is used for observing the card state.
bit7
CHGED
Note: initial value: 00H
Name
CHGED
(CARD->)
SIGCHG
(HOST->)
IOIS8
(HOST->)
PWD
(HOST->)
INTR
(CARD->)
October 2001
bit6
SIGCHG
R/W Function
R
R/W This bit is set or reset by the host for enabling and disabling the status-change signal (-
R/W The host sets this field to "1" when it can provide I/O cycles only with on 8 bit data bus
R/W When this bit is set to "1", the card enters the sleep state (Power Down mode). When
R
This bit indicates that the CRDY/-BSY bit on the Pin Replacement register is set to "1".
When CHGED bit is set to "1", the -STSCHG pin is held "L" at the condition of SIGCHG
bit set to "1" and the card configured for the I/O interface.
STSCHG pin). When the card is configured I/O card interface and this bit is set to "1", -
STSCHG pin is controlled by the CHGED bit. If this bit is set to "0", the -STSCHG pin is
kept "H".
(D7 to D0).
this bit is reset to "0", the card transfers to the idle state (active mode). RRDY/-BSY bit
on the Pin Replacement Register becomes BUSY when this bit is changed. RRDY/-
BSY will not become Ready until the power state requested has been entered. This
card automatically powers down when it is idle, and powers back up when it receives a
command.
This bit indicates the internal state of the interrupt request. This bit state is available
whether the I/O card interface has been configured or not. This signal remains true until
the condition which caused the interrupt request has been serviced. If interrupts are
disabled by the -IEN bit in the Device Control Register, this bit is a zero.
bit5
IOIS8
bit4
0
14
bit3
0
bit2
PWD
ATA PCMCIA Card
bit1
INTR
bit0
0
ATA30 Series
ATA33 Series