參數資料
型號: XCCACE256-I
廠商: Xilinx Inc
文件頁數: 49/69頁
文件大?。?/td> 0K
描述: IC 256MBIT ACE FLASH CARD
標準包裝: 1
存儲容量: 256Mb
存儲器類型: FLASH
System ACE CompactFlash Solution
DS080 (v3.0) April 7, 2014
53
Product Specification
R
— OBSOLETE — OBSOLETE — OBSOLETE — OBSOLETE —
Figure 32: Write Data to CFGJTAG Interface Control Flow Process
Write Data to
CFGJTAG
Get CF Lock
Put the CFGJTAG
Controller into Reset
Start Configuration
from MPU
Release the CFGJTAG
Controller from Reset
Initialize Buffer
Count Variable *
Write Data Buffer **
Direct CFGJTAG Controller
to Wait for MPU
Decrement Buffer
Count Variable
Check
Configuration Status
Error?
Buffer Count = 0?
CFGDONE = 1?
End Configuration
and Hold CFGJTAG
Controller in Reset
Return
Error
Return
Error
Y
N
CFGRESET=1 (CONTROLREG[7], MPU byte address 18h)
FORCECFGMODE=1 (CONTROLREG[3], MPU byte address 18h)
CFGSTART=1 (CONTROLREG[5], MPU byte address 18h)
CFGRESET=0 (CONTROLREG[7], MPU byte address 18h)
CFGRESET=1 (CONTROLREG[7], MPU byte address 18h)
CFGSTART=0 (CONTROLREG[5], MPU byte address 18h)
CFGSEL=0 (CONTROLREG[6], MPU byte address 18h)
CFGMODE=0 (CONTROLREG[4], MPU byte address 18h)
* Set Buffer Count variable equal to
the number of buffers in a transfer
** Strip off the first 512 bytes from the ACE file
before writing ACE file data to the buffer
Check STATUSREG (MPU byte address 04h-07h)
Check ERRORREG (MPU byte address 08h-0Bh)
Check CFGDONE=1 (STATUSREG[7], MPU byte address 04h)
DS080_55_090508
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