Shivanand Gowda
Static RAM 256 kilo bytes using SPI single IO Serial SRAM
Dependents: SPI_SRAM_READ_WRITE
IS62/65WVS2568FBLL
KEY FEATURES
• SPI-Compatible Bus Interface: - 16/20 MHz Clock rate - SPI/SDI/SQI mode • Low-Power CMOS Technology: - Read Current: 8 mA (max) at 3.6V, 20 MHz, 85°C. - CMOS Standby Current: 4 uA (typ). • 256K x 8-bit Organization: - 32-byte page • Byte, Page and Sequential mode for Reads and Writes.
https://www.mouser.in/datasheet/2/198/IS62-65WVS2568FALL-BLL-1147362.pdf for more details please look into datasheet
Revision 1:7d8adf80c30d, committed 2018-05-22
- Comitter:
- shivanandgowdakr
- Date:
- Tue May 22 10:43:05 2018 +0000
- Parent:
- 0:0339901bb4b0
- Commit message:
- Read Write operations in SRAM 2 Megabit or 256 k bytes.; ; Serial SPI SRAM NUCLEO F767ZI
Changed in this revision
| S2568FBLL.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/S2568FBLL.cpp Tue May 22 10:42:00 2018 +0000
+++ b/S2568FBLL.cpp Tue May 22 10:43:05 2018 +0000
@@ -161,10 +161,10 @@
long three = this->write(DUMMY_ADDR);
long two = this->write(DUMMY_ADDR);
long one = this->write(DUMMY_ADDR);
-
+ chipDisable();
//Return the recomposed long by using bitshift.
return ((four << 0) & 0xFF) + ((three << 8) & 0xFFFF) + ((two << 16) & 0xFFFFFF) + ((one << 24) & 0xFFFFFFFF);
- chipEnable();
+
}