Rainbow-electronics AT25F1024A Manual de usuario

1Features• Serial Peripheral Interface (SPI) Compatible• Supports SPI Modes 0 (0,0) and 3 (1,1)– Datasheet Describes Mode 0 Operation• 20 MHz Clock Ra

103346C–SEEPR–7/04A single PROGRAM instruction programs 1 to 256 consecutive bytes within a page if itis not write protected. The starting byte could

113346C–SEEPR–7/04Timing Diagrams (for SPI Mode 0 (0, 0))Synchronous Data TimingWREN TimingWRDI TimingSOVOHVOLHI-ZHI-ZtVVALID INSIVIHVILtHtSUtDISSCKVI

123346C–SEEPR–7/04RDSR TimingWRSR TimingREAD TimingCSSCK01234567891011121314SIINSTRUCTIONSO76543210DATA OUTMSBHIGH IMPEDANCE15CSSISCKHIGH IMPEDANCEINS

133346C–SEEPR–7/04PROGRAM TimingHOLD TimingSECTOR ERASE TimingCSSCKSISO3-BYTE ADDRESS1st BYTE DATA-IN256th BYTE DATA-ININSTRUCTIONHIGH IMPEDANCE012345

143346C–SEEPR–7/04CHIP ERASE TimingRDID TimingXX = Don’t Care bit12 13 14 15 16 172318 19XMANUFACTURERCODE (ATMEL)DEVICE CODE

153346C–SEEPR–7/04Ordering InformationOrdering Code Package Operation RangeAT25F1024AN-10SU-2.7AT25F1024AY4-10YU-2.78S18Y4Lead-free/Halogen-free Indus

163346C–SEEPR–7/04Package Drawing8S1 – JEDEC SOIC1150 E. Cheyenne Mtn. Blvd.Colorado Springs, CO 80906TITLEDRAWING NO.RREV. Note:10/7/038S1, 8-lead

173346C–SEEPR–7/048Y4 – SAP1150 E. Cheyenne Mtn. Blvd.Colorado Springs, CO 80817TITLEDRAWING NO.RREV. 8Y4, 8-lead (6.00 x 4.90 mm Body) SOIC Array P

Printed on recycled paper.3346C–SEEPR–7/04Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly con

23346C–SEEPR–7/04Block Diagram Absolute Maximum Ratings*Operating Temperature... -40°C to +85°C*NOTICE: Stresses bey

33346C–SEEPR–7/04Note: 1. This parameter is characterized and is not 100% tested.Note: 1. VIL and VIH max are reference only and are not tested.Pin Ca

43346C–SEEPR–7/04Notes: 1. The programming time for n bytes will be equal to n x tBPC.2. This parameter is characterized at 3.3V, 25°C and is not 100%

53346C–SEEPR–7/04Serial Interface DescriptionMASTER: The device that generates the serial clock.SLAVE: Because the Serial Clock pin (SCK) is always an

63346C–SEEPR–7/04SPI Serial InterfaceMASTER:MICROCONTROLLERSLAVE:AT25F1024ADATA OUT (MOSI)DATA IN (MISO)SERIAL CLOCK (SPI CK)SS0SS1SS2SS3SISOSCKCSSISO

73346C–SEEPR–7/04Functional DescriptionThe AT25F1024A is designed to interface directly with the synchronous serial peripheralinterface (SPI) of the 6

83346C–SEEPR–7/04READ PRODUCT ID (RDID): The RDID instruction allows the user to read the manufac-turer and product ID of the device. The first byte a

93346C–SEEPR–7/04The WRSR instruction also allows the user to enable or disable the Write Protect (WP)pin through the use of the Write Protect Enable