Cypress CY14B104M manuals
Computer Equipment > Computer Hardware
When we buy new device such as Cypress CY14B104M we often through away most of the documentation but the warranty.
Very often issues with Cypress CY14B104M begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Computer Hardware Cypress CY14B104M is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Computer Hardware on our side using links below.
31 pages 1.35 Mb
PRELIMINARY CY14B104K, CY14B104M 4 Mbit (512K x 8/256K x 16) nvSRAM with Real Time ClockFeaturesReal Time Clock20 ns, 25 ns, and 45 ns access times Internally organized as 512K x 8 (CY14B104K) or 256K x 16 (CY14B104M)Hands off automatic STORE on power down with only a small capacitorSTORE to QuantumTrap nonvolatile elements is initiated by software, device pin, or AutoStore on power down Functional Description Logic Block Diagram 2 PinoutsFigure 1. Pin Diagram - 44-PIn and 54-Pin TSOP II 44 - TSOP II Top View (not to scale)54 - TSOP II Top View (not to scale) 3 Device OperationSRAM Read SRAM Write AutoStore Operation 4 PRELIMINARY CY14B104K, CY14B104MHardware STORE (HSB) Operation Hardware RECALL (Power Up) Software STORE Software RECALL 5 Preventing AutoStore6 Data ProtectionNoise Considerations Real Time Clock OperationnvTIME Operation Clock Operations Reading the Clock Setting the Clock Backup Power Stopping and Starting the Oscillator 7 Calibrating the ClockAlarm Watchdog Timer 8 Power MonitorInterrupts Interrupt Register Flags Register 14 PRELIMINARY CY14B104K, CY14B104MMaximum Ratings Operating Range DC Electrical Characteristics 15 AC Test ConditionsData Retention and Endurance Capacitance Thermal Resistance 17 AC Switching Characteristics 18 Figure 8. SRAM Read Cycle 2: CE Controlled[3, 16, 20] Figure 9. SRAM Write Cycle 1: WE Controlled[3, 19, 20, 21] 19 Figure 10. SRAM Write Cycle 2: CE Controlled[3, 19, 20, 21]Figure 11. SRAM Write Cycle 3: BHE and BLE Controlled[6, 19, 20, 21, 22] (Not applicable for RTC register writes) 20 AutoStore/Power Up RECALLParameters Description 20 ns 25 ns 45 ns Unit Figure 12. AutoStore or Power Up RECALL 21 Software Controlled STORE and RECALL CycleFigure 13. CE and OE Controlled Software STORE and RECALL Cycle[29] Figure 14. Autostore Enable and Disable Cycle Hardware STORE CycleParameters Description 20 ns 25 ns 45 ns Unit Figure 15. Hardware STORE Cycle Figure 16. Soft Sequence Processing 22 Write latch setWrite latch not set 31 PRELIMINARY CY14B104K, CY14B104MSales, Solutions, and Legal Information Worldwide Sales and Design Support Products PSoC Solutions
Also you can find more Cypress manuals or manuals for other Computer Equipment.