Z86017 Datasheet, PDF (95/138 Pages) Zilog, Inc. – PCMCIA Interface Solution

Z86017/Z16017 PCMCIA Interface Solution
Product Specification
81
EEPROM Register
Address: SELECT 0Bh
Name: PCMCIA Card Status Register CCR1
Type: Write/Read
Table 65. PCMCIA Card Status Register CCR1: Address 0Bh
Bit Placement Bit Name
Bit 0
Bit 1
Reserved
Interrupt
Bit 2
Power Down
Bit 3
Bit 4
Bit 5
Audio
Reserved
IOIS8
Bit 6
SIGCHG
Bit 7
Changed
Description
Must be 0.
This bit represents the state of the Interrupt request
signal.
The card enters the power down state when this bit is
set to 1. Also see Register 2Bh (.
Set this bit to 1 for audio information.
Must be 0.
System can only provide I/O cycles with an 8-bit D7-
D0 data path.
This bit is set and reset by the host to allow a state
change from the status register. Also see Register
1Fh (Table 68).
Configuration Registers
PS012002-1201