Z86017/Z16017 PCMCIA Interface Solution
Product Specification
43
Table 16. PCMCIA DASP Pin Functions
PCMCIA Register7
Register2 Register2
Bit 3 Bit 2
Register2
Bit 7
Register2
Bit 6
DASP
ATA_DASP OUT
PCMCIA
DASP
EN_DASP DASP_SET EN_DASP_EXT EN_DASP_INT Pin I/O
I/O
Input
Comment
0
0
1
X
1
1
X
0
0
X
1
1
X
X
X
Float - Z
Float- Z
1 (Output)
DASP-OUT Input mode
DASP-OUT Input mode
1
0
0
Output 1
(totem)
Output 0
(totem)
1
1
0
0
0
1
1
0
X
0 (Output)
0 (Output)
0 (Input)
Output
generated
from ATA-
DASP.
1
0
0
0
0
0
1
0
0
0
1
1
1 (Input)
0 (Output)
Float - Z
Float- Z
0 (Input)
1 (Input)
DASP-OUT Output
floated
when ATA-
DASP is set
to 1.
0
1
ATA_DASP
is sourced
from
PCMCIA
side.
Programming Internal Registers
PS012002-1201
ZILOG [ ZILOG, INC. ]
