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参数资料
| 型号： | M58WR064KU70ZA6U |
| 厂商： | NUMONYX |
| 元件分类： | PROM |
| 英文描述： | 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA44 |
| 封装： | 7.50 X 5 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFBGA-44 |
| 文件页数： | 117/122页 |
| 文件大小： | 2187K |
| 代理商： | M58WR064KU70ZA6U |
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Common flash interface
M58WRxxxKU, M58WRxxxKL
Appendix B
Common flash interface
The common flash interface is a JEDEC approved, standardized data structure that can be
read from the flash memory device. It allows a system software to query the device to
determine various electrical and timing parameters, density information and functions
supported by the memory. The system can interface easily with the device, enabling the
software to upgrade itself when necessary.
When the Read CFI Query Command is issued the device enters CFI query mode and the
show the addresses used to retrieve the data. The query data is always presented on the
lowest order data outputs (DQ0-DQ7); the other outputs (DQ8-DQ15) are set to 0.
The CFI data structure also contains a security area where a 64-bit unique security number
is written (see Figure 6: Protection register memory map). This area can be accessed only
in read mode by the final user. It is impossible to change the security number after it has
been written by Numonyx. Issue a Read Array command to return to read mode.
Table 37.
Query structure overview(1)
1.
The flash memory display the CFI data structure when CFI Query command is issued. In this table are
listed the main sub-sections detailed in Tables 38, 39, 40 and 41. Query data is always presented on the
lowest order data outputs.
Offset
Sub-section name
Description
00h
Reserved
Reserved for algorithm-specific information
10h
CFI query identification string
Command set ID and algorithm data offset
1Bh
System interface information
Device timing and voltage information
27h
Device geometry definition
Flash device layout
P
Primary algorithm-specific extended query
table
Additional information specific to the primary
algorithm (optional)
A
Alternate algorithm-specific extended
query table
Additional information specific to the alternate
algorithm (optional)
80h
Security code area
Lock protection register
Unique device number and
User-programmable OTP
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| M3L14FCNFREQ | CRYSTAL OSCILLATOR, CLOCK, 1.544 MHz - 125 MHz, HCMOS OUTPUT |
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相关代理商/技术参数 |
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|---|---|
| M58WR064T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory |
| M58WR064T100ZB6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory |
| M58WR064T70ZB6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory |
| M58WR064T85ZB6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory |
| M58WR128EB | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:128 Mbit 8Mb x 16, Multiple Bank, Burst 1.8V Supply Flash Memory |
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