F32 – 100HIP PDF

F32 – 100HIP PDF

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Eon is still keeping the promise of quality for all the products with the same as that of Eon delivered before. Any changes that have been made are the result 100hil normal data sheet improvement and are noted in the document revision summary, where supported. Future routine revisions will occur when appropriate, and changes will be noted in 3f2 revision summary.

For More Information Please contact your local sales office for additional information about Eon memory solutions. This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications.

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Single power supply operation – Full voltage range: Mode 0 f3 Mode 3? High performance – MHz clock rate? Software and Hardware 10hip Protection: Lockable byte OTP security sector? Minimum K endurance cycle? The memory can be programmed 1 to bytes at a time, 100nip the Page Program instruction.

The EN25F32 can be configured to protect part of the memory as the software protected mode. When deselected, the devices power consumption will be at standby levels unless an internal erase, program or status register cycle is in progress.

When CS is brought low the device will be selected, power consumption will increase to active levels and instructions can be written to and data read from the device. After power-up, CS must transition from high to low before a new instruction will f3 accepted. The hold function can be useful when multiple devices are sharing the same SPI signals.

Both SPI bus operation Modes 0 0,0 and 3 1,1 are supported. The primary difference between Mode 0 and Mode 3, as shown in Figure 3, concerns the normal state of the CLK signal 100jip the SPI bus master is in standby and data is not being transferred to the Serial Flash.

For Mode 0 the CLK signal is normally low. For Mode 3 the CLK signal is normally high. This is followed by the internal Program cycle of duration tPP.

To spread this overhead, the Page Program PP instruction allows up to bytes to be f3 at a time changing bits from 1 to 0provided that they lie in consecutive addresses on the same page of memory.

Before this can be applied, the bytes of memory need 100jip have been erased to all 1s FFh. The Write In Progress WIP bit is provided in the Status Register so that the application program can monitor its value, polling it to establish when the previous Write cycle, Program cycle or Erase cycle is complete.

The device then goes into the Standby Power mode. The device consumption drops to ICC1. The device consumption drops further to ICC2. All other instructions are ignored while the device is in the Deep Power-down mode. This can be used 100hop an extra software protection mechanism, when the device is not in active use, to protect the device 100yip inadvertent Write, Program or 100hp instructions.

The Status Register contains a number of status and control bits that can be read or set as appropriate by specific instructions. They define the size of the area to be software protected against Program and Erase instructions. To address this concern the 1100hip provides the following data protection mechanisms: Power-On Reset and an internal timer tPUW can provide protection against inadvertent changes while the power supply is outside the operating specification.

Program, Erase and Write Status Register instructions are checked that they consist of a number of clock pulses that is a multiple of eight, before they are accepted for execution. This bit is returned to its reset state by the following events: In addition to the low power consumption feature, the Deep Power-down mode offers extra software protection from inadvertent Write, Program and Erase instructions, as all instructions are ignored except one particular instruction the Release from Deep Power-down instruction.

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However, taking this signal Low does not terminate any Write Status Register, Program or Erase cycle that is currently in progress. This t32 shown in Figure 4. This is to ensure that the state of the internal logic remains unchanged from the moment of entering the Hold condition. If 100gip Select CS goes High while the device is in the Hold condition, this has the effect of resetting the internal logic of the device. This prevents the device from going back to the Hold condition.

Then, the one-byte 100hpi code must be shifted in to the device, most significant bit first, on Serial Data Input DIeach bit being latched on the rising edges of Serial Clock CLK. The instruction set is listed in Table 4. Every instruction sequence starts with a one-byte instruction code. Depending on the instruction, this might be followed by address bytes, or by data bytes, or by both or none.

Chip Select CS must be driven High after the last bit of the instruction sequence has been shifted in. Chip Select CS can be driven High after any bit of the data-out sequence is being shifted out. For Page Program, if at any time the input byte is not a full byte, nothing will happen and WEL will not be reset. In the case of Page Program, if the number of byte after the command is less than 4 at least 1 data byteit will be ignored too.

In the case of SE and BE, exact bit address is a must, any less or more will cause the command to be ignored. All attempts to access the memory array during a Write Status Register cycle, Program cycle or Erase cycle are ignored, and the internal Write Status Register cycle, Program cycle or Erase cycle continues unaffected.

Data bytes are shifted with Most Significant Bit first. The Status Register contents will repeat continuously until CS terminate the instruction. When one of these cycles is in progress, it is recommended to check the Write In Progress WIP bit before sending a new instruction to the device. It is also possible to read the Status Register continuously, as shown in Figure 7.

Read Status Register Instruction Sequence Diagram This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications. The status and control bits of the Status Register are as follows: When set to 1, such a cycle is in progress, when reset to 0 no such cycle is in progress.

Status register bit locations 6 is reserved for future use.

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Current devices will read 0 for these bit locations. It is recommended to mask out the reserved bit when testing the Status Register. Doing this will ensure compatibility with future devices. The instruction sequence is shown in Figure 8. S6 is always read as 0. Chip Select CS must be driven High after the eighth bit of the data byte has been latched in. 100hkp Status Register Instruction Sequence Diagram This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications.

The instruction sequence is shown in Figure 9. The first byte addressed can be at any location.

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The address is automatically incremented to the next higher address after each byte of data is shifted out. When the highest address is reached, the address counter rolls over to h, allowing the read sequence to be continued indefinitely. Chip Select CS can be driven High at any time during data output.

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Read Data Instruction Sequence Diagram This Data Sheet may be revised by subsequent versions or modifications due 100bip changes in technical specifications. The instruction sequence is shown in Figure Fast Read Instruction Sequence Diagram This Data Sheet may be revised 10hip subsequent versions or modifications due to changes in technical specifications. If the 8 least significant address bits A7-A0 are not all zero, all transmitted data that goes beyond the end of the current page are programmed from the start address of the same page from the address whose 8 least significant bits A7-A0 are all zero.

Chip Select CS must be driven Low for the entire duration of the sequence. If more than bytes are sent to the device, previously latched data are discarded and the last data bytes are guaranteed to be programmed correctly within the same page. If less than Data bytes are sent to device, they are correctly programmed at the requested addresses without having any effects on the other bytes of the same page.

Chip Select CS must be driven High after the eighth bit of the last data byte has been latched 1000hip, otherwise the Page Program PP instruction is not executed. Page Program Instruction Sequence Diagram This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications.

Chip Select CS must be driven High after the eighth bit of the last address byte has been latched in, otherwise the Sector Erase SE instruction is not executed. Sector Erase Instruction Sequence Diagram This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications. Chip Select CS must be driven High after the eighth bit of the last address byte has been latched in, otherwise the Block Erase BE instruction is not executed.

Figure 13 Block Erase Instruction Sequence Diagram This Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications.

Chip Select CS must be driven High after the eighth bit of the instruction code has been latched in, otherwise the Chip Erase instruction is not executed. The Chip Erase CE instruction is ignored if one, or more blocks are protected.

It can also be used as an extra software protection mechanism, while the device is not in active use, since in this mode, the device ignores all Write, Program and Erase instructions. Driving Chip Select CS High deselects the device, and puts the device in the Standby mode if there is no internal cycle currently in progress. But this mode is not the Deep Power-down mode. This releases the device from this mode. The Deep Power-down 10h0ip automatically stops at Power-down, and the device always Powers-up in the Standby mode.

Chip Select CS must be driven High after the eighth bit of the instruction code has been latched in, otherwise the Deep Power-down DP instruction is not 100nip Data Sheet may be revised by subsequent versions or modifications due to changes in technical specifications.

Any Deep Power-down DP instruction, while an Erase, Program or Write cycle is in progress, is rejected without having any effects on the cycle that is in progress. Executing this 100hiip takes the device out of the Deep Power-down mode. The old-style Electronic Signature is supported for reasons of backward compatibility, only, and should not be used for new designs.

After the time duration of tRES1 See AC Characteristics the device will resume normal operation and other instructions will be accepted. The Device ID can be read continuously. The instruction is completed by driving CS high.