XCCACE128-I Xilinx Inc, XCCACE128-I Datasheet - Page 44
XCCACE128-I
Manufacturer Part Number
XCCACE128-I
Description
IC 128MBIT ACE FLASH CARD
Manufacturer
Xilinx Inc
Datasheet
1.XCCACE-TQG144I.pdf
(69 pages)
Specifications of XCCACE128-I
Memory Size
128Mb
Memory Type
FLASH
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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System ACE CompactFlash Solution
Check if Ready for a Command Control
Flow Process
Before reading or writing sector data, it is important to make
sure that the CompactFlash device is ready for a command.
44
Decrement timer
Figure 24: Check if Ready for a Command Control Flow Process
variable
No
Initialize timer variable
Check If Ready
Timer Expired?
Return timeout
For Command
Get Command
Ready Status
www.xilinx.com
Command?
Ready For
Busy.
error.
No
Yes
This is done by polling the RDYFORCFCMD bit (bit 0) in the
second byte of the STATUSREG register (MPU byte
address 05h) until it is set to a 1. This control flow process is
shown in
Figure
Yes
from byte address 05h
Read RDYFORCMD bit
24.
Return success.
DS080_50_051701
Ready.
DS080 (v2.0) October 1, 2008
Product Specification
R
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