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| 型號： | PSD4235G2-A-15U |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4M X 1 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80 |
| 封裝： | PLASTIC, TQFP-80 |
| 文件頁數(shù)： | 31/104頁 |
| 文件大小： | 1114K |
| 代理商： | PSD4235G2-A-15U |
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Obsolete
Product(s)
- Obsolete
Product(s)
Memory blocks delailed operation
PSD4135G2, PSD4135G2V
Doc ID 7838 Rev 2
The PSD4135G2/G2V main Flash and secondary Flash support these instructions (see
Table 22):
●
Erase memory by chip or sector
●
Suspend or resume sector erase
●
Program a word
●
Reset to read array mode
●
Read Main Flash Identifier value
●
Read sector protection status
●
Bypass Instruction
These instructions are detailed in Table 22. For efficient decoding of the instructions, the first
two bytes of an instruction are the coded cycles and are followed by a command byte or
confirmation byte. The coded cycles consist of writing the data byte AAh to address XAAAh
during the first cycle and data byte 55h to address X554h during the second cycle (unless
the Bypass Instruction feature is used). Address lines A15-A12 are don’t care during the
instruction write cycles. However, the appropriate sector select signal (FSi or CSBOOTi)
must be selected.
The main Flash and the secondary Flash Block have the same set of instructions (except
Read main Flash ID). The chip selects of the Flash memory will determine which Flash will
receive and execute the instruction. The main Flash is selected if any one of the FS0-7 is
active, and the secondary Flash Block is selected if any one of the CSBOOT0-3 is active.
Table 22.
Instructions(1)(2)(3)
Instruction(4)
FS0-FS7 or
CSBOOT0-
CSBOOT3(5)
Cycle 1
Cycle 2
Cycle 3
Cycle 4
Cycle 5
Cycle 6
Cycle 7
READ(6)
1
“Read”
RD @ RA
Read Main Flash ID(7)
1
AAh@
XAAAh
55h@
X554h
90h@
XAAAh
Read ID
@ XX02h
Read Sector
Protection(7)(8)
(9)
1
AAh@
XAAAh
55h@
X554h
90h@
XAAAh
Read 00h
or 01h @
XX04h
Program a Flash
Word(9)
1
AAh@
XAAAh
55h@
X554h
A0h@
XAAAh
PD@ PA
Flash Sector
1
AAh@
XAAAh
55h@
X554h
80h@
XAAAh
AAh@
XAAAh
55h@
X554h
30h@
SA
30h(10)
@ next
SA
Flash Bulk Erase(9)
1
AAh@
XAAAh
55h@
X554h
80h@
XAAAh
AAh@
XAAAh
55h@
X554h
10h@
XAAAh
Suspend Sector
Erase(11)
1
B0h@
XXXXh
Resume Sector
Erase(12)
1
30h@
XXXXh
Reset(7)
1
F0h@
XXXXh
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD4235G2V-12UI | 功能描述:CPLD - 復雜可編程邏輯器件 3.3V 4M 120ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD4235G2V-90U | 功能描述:CPLD - 復雜可編程邏輯器件 3.3V 4M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD4256G6V-10UI | 功能描述:CPLD - 復雜可編程邏輯器件 3.3V 8M 100ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD4-36 | 制造商:Tamura Corporation of America 功能描述: |
| PSD-45 | 制造商:MEANWELL 制造商全稱:Mean Well Enterprises Co., Ltd. 功能描述:45W DC-DC Single Output Switching Power Supply |
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