CY14NVSRAMKIT-001 nvSRAM Development Kit User Guide, Doc. # 002-03522 Rev. *A
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Kit Software
When the correct COM port is selected, you can evaluate the following features in the nvSRAM
Features tab.
Table 5-1. nvSRAM Features
nvSRAM
Feature
Description
Write/Read
cycle time
This sets the cycle time for read/write operations. Options are 60 ns, 100 ns, 130 ns,
150 ns, and 190 ns.
Address
This box is writable with the nvSRAM address. It takes a maximum of five hexadecimal
characters representing a 20-bit address, A0 to A19.
Range is:
00000 to FFFEF to access the nvSRAM data memory.
FFFF0 to FFFFF to access the 16 RTC registers.
Data
This box is writable and readable for nvSRAM data. It takes a maximum of four hexadeci-
mal characters representing 16-bit data, DQ0 to DQ15.
Range is 0000 to FFFF
Select pattern
Selects a pattern to write the entire memory, 00000 to FFFEF. Options are Data, Data/
Data_b, Address, and Address/Address_b.
Data: Write the entire memory with data specified in the ‘Data’ box.
Data/Data_b: Write the entire memory with data and complement of data on alternate
address locations.
Address: Write the entire memory with the last 16 bits of the address.
Address/Address_b: Write the entire memory with the last 16 bits of the address and its
complement alternatively.
Single word
write
Clicking this button will write the value in the 'Data' box to the specified address location in
the 'Address' box.
Single word
read
Clicking this button will read the value from the address location specified in the 'Address'
box and display it in the 'Data' box.
Write pattern
(full memory)
Clicking this button will write the selected pattern to the entire memory, 00000 to FFFEF.
Select feature
Select one of the following nvSRAM features:
- Software Store: Initiates the Software Store in nvSRAM.
- Software Recall: Initiates the Software Recall in nvSRAM.
- Autostore Enable: Enables the AutoStore feature in nvSRAM.
- Autostore Disable: Disables the AutoStore feature in nvSRAM.
- HSB Store: Toggles HSB LOW to initiate the hardware store in nvSRAM.
- Sleep: Drives nvSRAM ZZ# low and puts it in the SLEEP mode.
- Wakeup: Drives nvSRAM ZZ# high and wakes it up from the SLEEP mode.
Execute
Clicking this button will execute the selected nvSRAM feature.
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