HB28C048A6 Datasheet, PDF (18/66 Pages) Hitachi Semiconductor – FLASH ATA Card

HB28C048/032/016A6
3. Pin Replacement register (Address 204H)
This register is used for providing the signal state of -IREQ signal when the card configured I/O card interface.
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
0
0
CRDY/-BSY 0
1
1
RRDY/-BSY 0
Note: initial value: 0CH
Name
R/W
CRDY/-BSY R/W
(HOST->)
RRDY/-BSY R/W
(HOST->)
Function
This bit is set to "1" when the RRDY/-BSY bit changes state. This bit may also be
written by the host.
When read, this bit indicates +READY pin states. When written, this bit is used for
CRDY/-BSY bit masking.
4. Socket and Copy register (Address 206H)
This register is used for identification of the card from the other cards. Host can read and write this register.
This register should be set by host before this card's Configuration Option register set.
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
0
0
0
DRV#
0
0
0
0
Note: initial value: 00H
Name
DRV#
(HOST->)
R/W Function
R/W This fields are used for the configuration of the plural cards. When host configures the
plural cards, written the card’s copy number in this field. In this way, host can perform
the card’s master/slave organization.
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