Z86017/Z16017 PCMCIA Interface Solution
Product Specification
42
Table 15. PCMCIA PDIAG Pin Functions
PCMCI Register 7
Bit5,PCM
ATA_PDI PDIAG CIA
Register2 Register2 Register 4 Register4
Bit 1 Bit 0 Bit 7 Bit 6
EN_PDI PDIAG_S EN_PDIAG EN_PDIAG AG
A
OUT
I/O
PDIAG
Input
AG
ET
_EXT
_INT
Pin I/O
Comments
0
X
X
X
X
Float - Z PDIAG-
OUT
Input mode
0
1
1
1
1
1
0
0
0
0
0
1
1
1
1
0
X
Float - Z PDIAG-
OUT
1 (Output) 1
Input mode
X
Output 1
(totem)
Output 0
(totem)
X
0 (Output) 0
0 (Output) 0
0 (Input)
Output
generated
from ATA-
PDIAG.
Output
floated by
ATA-PDIAG
when set to
1.
ATA_PDIA
G is sourced
from
PCMCIA
side.
1
0
0
0
0
0
1
0
0
0
1
1
1 (Input)
Float - Z PDIAG-
OUT
0 (Output) 0 (Input)
0
1
Float - Z
1 (Input)
PS012002-1201
Programming Internal Registers
ZILOG [ ZILOG, INC. ]
