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參數(shù)資料
| 型號(hào)： | UPSD3433EV-40U6 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic |
| 中文描述： | Turbo Plus系列高速渦輪8032 USB和可編程邏輯控制器 |
| 文件頁(yè)數(shù)： | 202/293頁(yè) |
| 文件大?。?/td> | 2039K |
| 代理商： | UPSD3433EV-40U6 |
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PSD module
uPSD34xx
202/293
Important note: The 8032 may not read and execute code from the same Flash memory
array for which it is directing an instruction sequence. Or more simply stated, the 8032 may
not read code from the same Flash array that is writing or erasing. Instead, the 8032 must
execute code from an alternate memory (like SRAM or a different Flash array) while sending
instruction sequences to a given Flash array. Since the two Flash memory arrays inside the
PSD Module device are completely independent, the 8032 may read code from one array
while sending instructions to the other. It is possible, however, to suspend a sector erase
operation in one particular Flash array in order to access a different sector within that same
Flash array, then resume the erase later.
After a Flash memory array is programmed or erased it will go to “Read Array” mode, then
the 8032 can read from Flash memory just as it would read from any ROM or SRAM device.
28.5.2
Flash memory instruction sequences
An instruction sequence consists of a sequence of specific byte WRITE and byte READ
operations. Each byte written to either Flash memory array on the PSD Module is received
by a state machine inside the Flash array and sequentially decoded to execute an
embedded algorithm. The algorithm is executed when the correct number of bytes are
properly received and the time between two consecutive bytes is shorter than the time-out
period of 80μs. Some instruction sequences are structured to include READ operations
after the initial WRITE operations.
An instruction sequence must be followed exactly. Any invalid combination of instruction
bytes or time-out between two consecutive bytes while addressing Flash memory resets the
PSD Module Flash logic into Read Array mode (where Flash memory is read like a ROM
device). The Flash memories support instruction sequences summarized in
Table 107 on
page 203
.
Program a Byte
Unlock Sequence Bypass
Erase memory by array or by sector
Suspend or resume a sector erase
Reset to Read Array mode
●
●
●
●
●
The first two bytes of an instruction sequence are 8032 bus WRITE operations to “unlock”
the Flash array, followed by writing a command byte. The bus operations consist of writing
the data AAh to address X555h during the first bus cycle and data 55h to address XAAAh
during the second bus cycle. 8032 address signals A12-A15 are “Don’t care” during the
instruction sequence during WRITE cycles. However, the appropriate sector select signal
(
FSx or CSBOOTx
) from the DPLD must be active during the entire instruction sequence to
complete the entire 8032 address (this includes the page number when memory paging is
used). Ignoring A12-A15 means the user has more flexibility in memory mapping. For
example, in many traditional Flash memories, instruction sequences must be written to
addresses AAAAh and 5555h, not XAAAh and X555h like supported on the PSD Module.
When the user has to write to AAAAh and 5555h, the memory mapping options are limited.
The Main Flash and Secondary Flash memories each have the same instruction set shown
in
Table 107 on page 203
, but the sector select signals determine which memory array will
receive and execute the instructions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPSD3433EVB40T6 | 功能描述:8位微控制器 -MCU uPSD34x Turbo Plus Fast Turbo 8032 MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| UPSD3433EVB40U6 | 功能描述:8位微控制器 -MCU uPSD34x Turbo Plus Fast Turbo 8032 MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| UPSD3434E-40T6 | 功能描述:8位微控制器 -MCU uPSD34x Turbo Plus Fast Turbo 8032 MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| UPSD3434E-40U6 | 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| UPSD3434EB40T6 | 功能描述:8位微控制器 -MCU Turbo 8032 MCU w/USB & Programmable Logic RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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