Z86017 Datasheet, PDF (56/138 Pages) Zilog, Inc. – PCMCIA Interface Solution

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