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--- issue4000015 [2013/09/13 12:47] – created ba
+++ issue4000015 [2017/11/07 22:26] (current) – external edit 127.0.0.1
@@ Line 2: / Line 2: @@
-**topic:** DINB-CH0 and DINB-CH1 on ZMC not usable.
+**topic:**  NAND flash Mass Storage read access data corruption
-**status:** solved in 4.1.3
+**status:** solved
-**detailed description:** DINB-CH0 and DINB-CH1 on ZMC have not read the signal connected to the screw terminal.
+**detailed description:** Data read from on board NAND flash device via Mass Storage Device Mode sometimes arrived corrupted on the PC. Reading the data in the running application was not affected by this issue. Writing data was not affected by this issue.
-The error occurred in compiled mode and in FDM.
-This 2 channels are still not usable, when the NAND flash file system is open.
 **solution:** solved in 4.1.3
+Mass storage device mode is slower in 4.1.3 than in 4.1.2.
 See all [[z4_known_issues|known issues]].

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