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S29GL01GP 数据表(PDF) 15 Page - Cypress Semiconductor |
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S29GL01GP 数据表(HTML) 15 Page - Cypress Semiconductor |
15 / 82 page Document Number: 002-00886 Rev. *B Page 15 of 83 S29GL01GP S29GL512P S29GL256P S29GL128P 7. Device Operations This section describes the read, program, erase, handshaking, and reset features of the Flash devices. Operations are initiated by writing specific commands or a sequence with specific address and data patterns into the command registers (see Table through Table ). The command register itself does not occupy any addressable memory location; rather, it is composed of latches that store the commands, along with the address and data information needed to execute the command. The contents of the register serve as input to the internal state machine and the state machine outputs dictate the function of the device. Writing incorrect address and data values or writing them in an improper sequence may place the device in an unknown state, in which case the system must pull the RESET# pin low or power cycle the device to return the device to the reading array data mode. 7.1 Device Operation Table The device must be setup appropriately for each operation. Table describes the required state of each control pin for any particular operation. L egend L = Logic Low = VIL, H = Logic High = VIH, VHH = 11.5–12.5V, X = Don’t Care, AIN = Address In, DIN = Data In, DOUT = Data Out Notes 1. Addresses are AMax:A0 in word mode; AMax:A-1 in byte mode. 2. If WP# = VIL, on the outermost sector remains protected. If WP# = VIH, the outermost sector is unprotected. WP# has an internal pull-up; when unconnected, WP# is at VIH. All sectors are unprotected when shipped from the factory (The Secured Silicon Sector can be factory protected depending on version ordered.) 3. DIN or DOUT as required by command sequence, data polling, or sector protect algorithm. Device Operations Operation CE# OE# WE# RESET# WP#/ACC Addresses (Note 1) DQ0–DQ7 DQ8–DQ15 BYTE#= VIH BYTE#= VIL Read L L H H X AIN DOUT DOUT DQ8–DQ14 = High-Z, DQ15 = A-1 Write (Program/ Erase) LH L H (Note 2) AIN (Note 3) (Note 3) Accelerated Program L H L H VHH AIN (Note 3) (Note 3) Standby VCC ± 0.3 V XX VCC ± 0.3 V H X High-Z High-Z High-Z Output Disable L H H H X X High-Z High-Z High-Z Reset X X X L X X High-Z High-Z High-Z |
类似零件编号 - S29GL01GP |
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类似说明 - S29GL01GP |
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