поискавой системы для электроныых деталей |
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CAT25C09P-TE13 датащи(PDF) 4 Page - Catalyst Semiconductor |
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CAT25C09P-TE13 датащи(HTML) 4 Page - Catalyst Semiconductor |
4 / 12 page 4 CAT25C11/03/05/09/17 Doc. No. 1017, Rev. J FUNCTIONAL DESCRIPTION The CAT25C11/03/05/09/17 supports the SPI bus data transmission protocol. The synchronous Serial Periph- eral Interface (SPI) helps the CAT25C11/03/05/09/17 to interface directly with many of today’s popular microcontrollers. The CAT25C11/03/05/09/17 contains an 8-bit instruction register. (The instruction set and the operation codes are detailed in the instruction set table) After the device is selected with CS going low, the first byte will be received. The part is accessed via the SI pin, with data being clocked in on the rising edge of SCK. The first byte contains one of the six op-codes that define Instruction Opcode Operation WREN 0000 0110 Enable Write Operations WRDI 0000 0100 Disable Write Operations RDSR 0000 0101 Read Status Register WRSR 0000 0001 Write Status Register READ 0000 X011(1) Read Data from Memory WRITE 0000 X010(1) Write Data to Memory INSTRUCTION SET the operation to be performed. PIN DESCRIPTION SI: Serial Input SI is the serial data input pin. This pin is used to input all opcodes, byte addresses, and data to be written to the 25C11/03/05/09/17.Input data is latched on the rising edge of the serial clock for SPI modes (0, 0 & 1, 1). SO: Serial Output SO is the serial data output pin. This pin is used to transfer data out of the 25C11/03/05/09/17. During a read cycle, data is shifted out on the falling edge of the serial clock for Figure 1. Sychronous Data Timing VALID IN VIH VIL tCSS VIH VIL VIH VIL VOH VOL HI-Z tSU tH tWH tWL tV tCS tCSH tHO tDIS HI-Z CS SCK SI SO tRI tFI Note: Dashed Line= mode (1, 1) – – – – Note: (1) X=0 for 25C11, 25C03, 25C09, 25C17. X=A8 for 25C05 (2) This parameter is tested initially and after a design or process change that affects the parameter. (3) tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated. Power-Up Timing(2)(3) Symbol Parameter Max. Units tPUR Power-up to Read Operation 1 ms tPUW Power-up to Write Operation 1 ms |
Аналогичный номер детали - CAT25C09P-TE13 |
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Аналогичное описание - CAT25C09P-TE13 |
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