參數(shù)資料
型號(hào)： PSD4135G2
英文描述： Flash In-System-Programmable Peripherals for 16-Bit MCUs(用于16位MCU的閃速在系統(tǒng)可編程外圍芯片)
中文描述： Flash在系統(tǒng)可編程外設(shè)的16位微控制器（用于16位微控制器的閃速在系統(tǒng)可編程外圍芯片）
文件頁(yè)數(shù)： 25/96頁(yè)
文件大?。?/td> 515K
代理商： PSD4135G2
Beta Information
PSD4000 Series
21
Figure 3. Data Polling Flow Chart
START
READ DQ5 & DQ7
(DQ13 & DQ15)
at VALID EVEN ADDRESS
YES
YES
YES
NO
NO
NO
DQ7
(D=
DATA7
(DATA15)
DQ5
(DQ13)
=1
READ DQ7
(DQ15)
FAIL
Program/Erase
Operation Failed
Issue Reset Instruction
PASS
Program/Erase
Operation is
Completed
DQ7
(D=
DATA7
(DATA15)
The
PSD4000
Functional
Blocks
(cont.)
9.1.1.6.2 Data Toggle
Checking the Data Toggle bit on DQ6 (DQ14) is a method of determining whether a
Program or Erase instruction is in progress or has completed. Figure 4 shows the Data
Toggle algorithm.
When the MCU issues a programming instruction, the embedded algorithm within the
PSD4000 begins. The MCU then reads the location to be programmed in Flash to check
status. Data bit DQ6 (DQ14) of this location will toggle each time the MCU reads this
location until the embedded algorithm is complete. The MCU continues to read this
location, checking DQ6 (DQ14) and monitoring the Error bit on DQ5 (DQ13) . When
DQ6 (DQ14) stops toggling (two consecutive reads yield the same value), and the Error bit
on DQ5 (DQ13) remains
‘
0
’
, then the embedded algorithm is complete. If the Error bit on
DQ5 (DQ13) is
‘
1
’
, the MCU should test DQ6 (DQ14) again, since DQ6 (DQ14) may have
changed simultaneously with DQ5 (DQ13) (see Figure 4).
The Error bit at DQ5 (DQ13) will be set if either an internal timeout occurred while the
embedded algorithm attempted to program, or if the MCU attempted to program a
‘
1
’
to a
bit that was not erased (not erased is logic
‘
0
’
).
相關(guān)PDF資料
PDF描述
PSD4135G2 100V 100kRad Hi-Rel Single N-Channel TID Hardened MOSFET in a Low Ohmic TO-257AA package. Also available with 300kRad Total Dose Rating.; A IRHYS67130CM with Standard Packaging
PSD4135G2V 130V 100kRad Hi-Rel Single N-Channel SEE Hardened MOSFET in a TO-254AA package; IRHMS57163SE JANS Certified Part Number
PSD4135F1-70B81 LCD Display Panel; No. of Digits/Alpha:64; Display Technology:LCD; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
PSD4135G1-70B81 LCD Character display; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
PSD4135F2-70B81 LCD Character display; No. of Digits/Alpha:48; Display Technology:LCD; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PSD4135G2-12B81 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G2-12B81I 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G2-12J 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G2-12JI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G2-12M 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
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