Serial RAM User Manual
Contents
1. S l RAM All Mikroelektronika s development systems feature a large number of peripheral modules expanding microcontroller s range of application and making the process of program testing easier In addition to these modules it is also possible to use numerous additional modules linked to the development system through the I O port connectors Some of these additional modules can operate as stand alone devices without being connected to the microcontroller 7 MikroElektronika SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD waking ib siw ple Serial RAM The Serial RAM additional board enables the microcontroller to use additional 64Kbit of RAM memory Key features Serial SPI communication 64Kbit of RAM 3 3V or 5V power supply voltage Figure 1 Serial RAM additional board How to connect the board The Serial RAM can be easily connected to a development system s port via a 2x5 connector CN1 The additional board may be connected to 3 3V and 5V development systems If it is connected to a 3 3V development system it is necessary to place jumper J1 in the 3 3V position Otherwise this jumper should be left in the 5V position The position of switches on the DIP switch SW1 depends on the development system in use Table 1 isos sx T Position of switches on DIP switch SW1 for appropriate development system Table 1 How to use the board The Serial RAM additional board communicates2. with the microcontroller supplied on the development system via the Serial Peripheral Interface SPI A LED marked POWER indicates that the additional board is turned on Here you can find examples for the Serial RAM additional board http www mikroe com eng products view 365 serialram board MikroElektronika OLD CS El H lig VCC BRD VCC BRD VCC REG peek ipo 100K ipo 1 MC33269 CS 10uF e 10uF VCC BRD 3 3V Dev Board 5V Dev Board VCC BRD 23K640 17 65mm 12 83mm lt R3 ms Boer uiugr 0 Figure 3 Dimensions of the Serial RAM additional board MikroElektronika 1odd s uenuo aouu mmm amp B UIO9 OJyIUU 3IJJo ze SN JOe UOD o e is u JOU op sjesodosd ss ulsnq 10 SIUSLULUOD suoijsenb Aue aaey no Jl ye 49491 INOA 9ejd se jd uoewoyzu jeuonppe pasu un o sjonpoid ino Jo Aue YUM suis qoid aulos SRE aJe noA jj WoT 3oy IU MMM ye IN Ino SIA sp ld slonpoud ind Jode aoi wea eter noA Jj QTYOM Q34aqGq38W3 YO4 SNOILNTOS JYVMCYVH ANY JYVMLAIOS
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