Z86017 Datasheet, PDF (65/138 Pages) Zilog, Inc. – PCMCIA Interface Solution

Z86017/Z16017 PCMCIA Interface Solution
Product Specification
51
EEPROM Register
Address: SELECT 07h
Name: PCMCIA Exception Status Register
Type: Read
Table 26. PCMCIA Exception Status Register: Address 07h
Bit Placement Bit Name
Bit 0
ATA/IDE_MODE
Bit 1
PCRST
Bit 2
Reserved
Bit 3
Reserved
Bit 4
Reserved
Bit 5
PDIAG
Bit 6
DASP
Bit 7
ATA_SAMPLED
Description
When bit 7 of this register is set to 1, ATA mode has been
selected by sampling the /PC_ATA//HOE signal on Power-
On-Reset, or the override bits in Register 0 have set the
ZX6017 to run in ATA/IDE mode. When set to 0, this bit
indicates that the ZX6017 operates in PCMCIA mode
(Table 27).
PCMCIA reset status. Active when set to 1.
PDIAG is present. This bit is active when set to 1.
DASP is present. Drive Active/Slave Present. This bit is
active when set
When set to 1, this bit indicates that bit 0 of this register is
valid to read.
Programming Internal Registers
PS012002-1201