參數(shù)資料
型號(hào)： UPSD3352DV-40U6T
廠商： 意法半導(dǎo)體
英文描述： Turbo Series Fast 8032 MCU with Programmable Logic
中文描述： Turbo系列8032微控制器的快速可編程邏輯
文件頁(yè)數(shù)： 150/231頁(yè)
文件大小： 3722K
代理商： UPSD3352DV-40U6T
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uPSD33xx
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If all the Flash memory sectors selected for era-
sure are protected, DQ6 toggles to ’0’ for about
100μs, then returns value of D6 of the previously
addressed byte.
Error Flag (DQ5).
During a normal program or
erase operation, the Error Flag Bit (DQ5) is to ’0’.
This bit is set to ’1’ when there is a failure during
Flash memory byte program, sector erase, or bulk
erase operations.
In the case of Flash memory programming, DQ5
Bit indicates an attempt to program a Flash mem-
ory bit from the programmed state of 0, to the
erased state of 1, which is not valid. DQ5 may also
indicate a particular Flash cell is damaged and
cannot be programmed.
In case of an error in a Flash memory sector erase
or byte program operation, the Flash memory sec-
tor in which the error occurred or to which the pro-
grammed byte belongs must no longer be used.
Other Flash memory sectors may still be used.
DQ5 is reset after a Reset Flash instruction se-
quence.
Erase Time-out Flag (DQ3).
The Erase Time-
out Flag Bit (DQ3) reflects the time-out period al-
lowed between two consecutive sector erase in-
struction sequence bytes. If multiple sector erase
commands are desired, the additional sector
erase commands (30h) must be sent by the 8032
within 80us after the previous sector erase com-
mand. DQ3 is 0 before this time period has ex-
pired, indicating it is OK to issue additional sector
erase commands. DQ3 will go to logic ’1’ if the time
has been longer than 80μs since the previous sec-
tor erase command (time has expired), indication
that is not OK to send another sector erase com-
mand. In this case, the 8032 must start a new sec-
tor erase instruction sequence (unlock and
command) beginning again after the current sec-
tor erase operation has completed.
Programming Flash Memory.
When a byte of
Flash memory is programmed, individual bits are
programmed to logic '0.' The user cannot program
a bit in Flash memory to a logic ’1’ once it has been
programmed to a logic '0.' A bit must be erased to
logic ’1’, and programmed to logic '0.' That means
Flash memory must be erased prior to being pro-
grammed. A byte of Flash memory is erased to all
1s (FFh). The 8032 may erase the entire Flash
memory array all at once, or erase individual sec-
tor-by-sector, but not erase byte-by-byte. Howev-
er, even though the Flash memories cannot be
erasedbyte-by-byte, the 8032 may program Flash
memory byte-by-byte. This means the 8032 does
not need to program group of bytes (64, 128, etc.)
at one time, like some Flash memories.
Each Flash memory requires the 8032 to send an
instruction sequence to program a byte or to erase
sectors (see
Table 80., page 148
).
If the byte to be programmed is in a protected
Flash memory sector, the instruction sequence is
ignored.
IMPORTANT:
It is mandatory that a chip-select
signal is active for the Flash sector where a pro-
gramming instruction sequence is targeted. Make
sure that the correct chip-select equation, FSx, or
CSBOOTx specified in PSDsoft Express matches
the address range that the 8032 firmware is ac-
cessing, otherwise the instruction sequence will
not be recognized by the Flash array. If memory
paging is used, be sure that the 8032 firmware
sets the page register to the correct page number
before issuing an instruction sequence to the
Flash memory segment on a particular memory
page, otherwise the correct sector select signal
will not become active.
Once the 8032 issues a Flash memory program or
erase instruction sequence, it must check the sta-
tus bits for completion. The embedded algorithms
that are invoked inside a Flash memory array pro-
vide several ways to give status to the 8032. Sta-
tus may be checked using any of three methods:
Data Polling, Data Toggle, or Ready/Busy (pin
PC3).
Table 81. Flash Memory Status Bit Definition
Note: 1. X = Not guaranteed value, can be read either '1' or '0.'
2. DQ7-DQ0 represent the 8032 Data Bus Bits, D7-D0.
Functional Block
FSx, or CSBOOTx
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
Flash Memory
Active (the desired
segment is selected)
Data
Polling
Toggle
Flag
Error
Flag
X
Erase
Time-
out
X
X
X
相關(guān)PDF資料
PDF描述
UPSD3353DV-40T6T Turbo Series Fast 8032 MCU with Programmable Logic
UPSD3353DV-40U6T Turbo Series Fast 8032 MCU with Programmable Logic
UPSD3354DV-40T6T Turbo Series Fast 8032 MCU with Programmable Logic
UPSD33XX Fast 8032 MCU with Programmable Logic
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPSD3354D-40T6 功能描述:8位微控制器 -MCU 8032 MCU USB 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
UPSD3354D-40U6 功能描述:8位微控制器 -MCU 8BIT Fast 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
UPSD3354DV-40T6 功能描述:8位微控制器 -MCU 8032 MCU USB 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
UPSD3354DV-40U6 功能描述:8位微控制器 -MCU FAST 8032 8BIT 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
UPSD3422E-40T6 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
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