MD1050-DCC M-Systems Inc., MD1050-DCC Datasheet - Page 9

• Manufacturer Part Number: MD1050-DCC
• Description: Diskonchip Ide Pro Data Sheet
• Manufacturer: M-Systems Inc.

8
IOIS16#
PDIAG#
DASP#
GND
VCC
Signal
2,19,22,24,26
,30,40,43
Pin No.
41, 42
32
34
39
I/O IS I6-Bit: Active low. Asserted (low) by DiskOnChip IDE Pro to
indicate to the host that the current cycle is a 16-bit (word) data
transfer. When the signal is negated (high), an 8-bit data transfer
is performed.
Passed Diagnostics: Active low. Informs the Master drive that the
self-diagnostic of the Slave drive has ended.
Drive Active/Drive1 Present: Active low. This is a time-multiplexed
signal that indicates that a device is active, or that Device 1 is
present.
Ground
Power supply
DiskOnChip IDE Pro Data Sheet, Rev. 1.5
Status
Power
Description
91-SR-012-01-8L
Ground
Signal
Output
Supply
Type
I/O
I/O