参数资料
型号: W25Q16CLDAIG
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 16M X 1 SPI BUS SERIAL EEPROM, PDIP8
封装: 0.300 INCH, GREEN, PLASTIC, DIP-8
文件页数: 58/77页
文件大小: 2458K
代理商: W25Q16CLDAIG
W25Q16CL
Publication Release Date: July 08, 2010
- 61 -
Preliminary - Revision A
11.2.39 Read Security Registers (48h)
The Read Security Register instruction is similar to the Fast Read instruction and allows one or more data
bytes to be sequentially read from one of the three security registers. The instruction is initiated by driving
the /CS pin low and then shifting the instruction code “48h” followed by a 24-bit address (A23-A0) and
eight “dummy” clocks into the DI pin. The code and address bits are latched on the rising edge of the CLK
pin. After the address is received, the data byte of the addressed memory location will be shifted out on
the DO pin at the falling edge of CLK with most significant bit (MSB) first. The byte address is
automatically incremented to the next byte address after each byte of data is shifted out. Once the byte
address reaches the last byte of the register (byte FFh), it will reset to 00h, the first byte of the register,
and continue to increment. The instruction is completed by driving /CS high. The Read Security Register
instruction sequence is shown in figure 37. If a Read Security Register instruction is issued while an
Erase, Program or Write cycle is in process (BUSY=1) the instruction is ignored and will not have any
effects on the current cycle. The Read Security Register instruction allows clock rates from D.C. to a
maximum of FR (see AC Electrical Characteristics).
ADDRESS
A23-16
A15-12
A11-8
A7-0
Security Register #1
00h
0 0 0 1
0 0 0 0
Byte Address
Security Register #2
00h
0 0 1 0
0 0 0 0
Byte Address
Security Register #3
00h
0 0 1 1
0 0 0 0
Byte Address
Figure 37. Read Security Registers Instruction Sequence
Instruction (48h)
相关PDF资料
PDF描述
W25Q16CLZPIP 16M X 1 SPI BUS SERIAL EEPROM, PDSO8
W25Q16CLSFIG 16M X 1 SPI BUS SERIAL EEPROM, PDSO16
W25Q16CVSSIG 16M X 1 SPI BUS SERIAL EEPROM, PDSO8
W25Q16DWZPIP 16M X 1 SPI BUS SERIAL EEPROM, PDSO8
W25Q20BWUXIP 2M X 1 SPI BUS SERIAL EEPROM, PDSO8
相关代理商/技术参数
参数描述
W25Q16CLDAIP 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q16CLSFIG 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q16CLSFIP 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q16CLSNIG 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q16CLSNIP 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI