PIC12F509T-I/SN Microchip Technology, PIC12F509T-I/SN Datasheet
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PIC12F509T-I/SN
Specifications of PIC12F509T-I/SN
PIC12F509T-I/SNTR
Related parts for PIC12F509T-I/SN
PIC12F509T-I/SN Summary of contents
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... SS Legend Input Output Power Note 1: In the PIC12F508/509, the programming high voltage is internally generated. To activate the Program/ Verify mode, high voltage of I © 2007 Microchip Technology Inc. PIC12F508/509 1.2 Program/Verify Mode The Program/Verify mode for the PIC12F508/509 allows programming of user program memory, user ID locations, backup OSCCAL location and the Configura- tion Word ...
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... Bulk Erase, but is erased if the PC is moved into configuration memory prior to invoking a Bulk Erase. If this value is erased the user’s responsi- bility to rewrite it back to this location for future use. Preliminary © 2007 Microchip Technology Inc. 000h 0FFh 100h 1FEh 1FFh ...
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... Read Data from Program Memory Increment Address Begin Programming End Programming Bulk Erase Program Memory © 2007 Microchip Technology Inc. 3.1.2 SERIAL PROGRAM/VERIFY OPERATION The ICSPCLK pin is used for clock input and the ICSPDAT pin is used for data input/output during serial operation ...
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... READ DATA FROM PROGRAM MEMORY COMMAND ICSPCLK ICSPDAT T 1 SET DS41227E-page DLY LSb strt_bit DLY 1 HLD T 2 DLY strt_bit LSb T 1 DLY T 1 HLD input Preliminary MSb stp_bit T 1 SET HLD DLY MSb stp_bit input output © 2007 Microchip Technology Inc. ...
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... Programming command. Programming will begin after this command is received and decoded. Programming requires (T ) time and is terminated using an End PROG Programming command. This command programs the current location, no erase is performed. FIGURE 3-5: BEGIN PROGRAMMING (EXTERNALLY TIMED) 1 ICSPCLK 0 ICSPDAT © 2007 Microchip Technology Inc. PIC12F508/509 T DLY ...
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... Enter Program/Verify mode. 3. Increment PC to 0x200/0x400 (first user ID location). 4. Perform a Bulk Erase command. 5. Wait T to complete Bulk Erase. ERA 6. Restore OSCCAL bits. 7. Restore backup OSCCAL bits. oscillator Preliminary DIS Next Command 1 2 © 2007 Microchip Technology Inc. ...
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... BULK ERASE RESULTS Program Memory Space PC = Program Memory Configuration Word or E Program Memory Space First User ID Location E FIGURE 3-7: BULK ERASE PROGRAM MEMORY COMMAND 1 2 ICSPCLK 1 ICSPDAT T 1 SET T HLD © 2007 Microchip Technology Inc. Configuration Memory Space Configuration Reset Vector Word Preliminary ...
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... Increment Address Increment Address DS41227E-page 8 Start Enter Programming Mode 0x1FF/0x3FF? Yes Read Calibration Bits and Save in Computer/Programmer Temp. Memory 0x204/0x404? Yes Read Backup OSCCAL Calibration Bits and Save in Computer/Programmer Temp. Memory Exit Programming Mode Done Preliminary © 2007 Microchip Technology Inc. ...
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... FIGURE 3-9: RESTORING/PROGRAMMING THE OSCCAL CALIBRATION BITS Increment Address Increment Address © 2007 Microchip Technology Inc. PIC12F508/509 Start Enter Programming Mode 0x1FF/0x3FF? Yes Read Calibration Bits from Computer/Programmer Temp. Memory Write Calibration Bits back as the operand of a MOVLW instruction to 0x1FF/0x3FF 0x204/0x404? ...
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... Mode Restore 0SCCAL bits Figure 3-9 ( Program Configuration Memory Figure 3-11 ( Done DS41227E-page 10 ) Report No Programming Failure Yes ) ) Preliminary PROGRAM CYCLE Load Data for Program Memory Begin Programming Command (Externally timed) Wait T PROG End Programming Wait T DIS © 2007 Microchip Technology Inc. ...
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... Correct? Yes Increment Address Command No Address = 0x200/0x400? Yes Load Data Command One-Word Programming Cycle (see Figure 3-10) © 2007 Microchip Technology Inc. PIC12F508/509 Programs Configuration Word Report Programming Failure Programs User IDs Read Data Command Report No Data Programming Correct? Failure Yes ...
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... PROGRAM FLOWCHART – ERASE PROGRAM MEMORY, CONFIGURATION WORD Start Read and save OSCCAL bits ( Figure 3-8 ) Enter Program/Verify mode PC = 0x3FF/0x7FF (Config Word) DS41227E-page 12 Bulk Erase Device Wait T ERA Restore OSCCAL bits ( Figure 3-9 ) Exit Programming Mode Done Preliminary © 2007 Microchip Technology Inc. ...
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... FIGURE 3-13: PROGRAM FLOWCHART – ERASE PROGRAM MEMORY, CONFIGURATION WORD AND USER ID Start Increment PC © 2007 Microchip Technology Inc. PIC12F508/509 Read and save OSCCAL bits ( Figure 3-8 ) Enter Program/Verify mode PC = 0x3FF/0x7FF (Config Word 0x200/0x400? (First User ID) Yes Bulk Erase Device Restore OSCCAL bits ...
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... LP oscillator oscillator 10 = INTOSC 11 = EXTRC Legend Readable bit W = Writable bit - n = Value at POR ‘1’ = Bit is set DS41227E-page 14 — — — MCLRE Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared Preliminary CP WDTE FOSC1 FOSC0 bit Bit is unknown © 2007 Microchip Technology Inc. ...
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... ID information must be included. An option to not include this information may be provided. Microchip Technology Incorporated feels strongly that this feature is important for the benefit of the end customer. © 2007 Microchip Technology Inc. PIC12F508/509 5.3 Checksum Computation 5.3.1 CHECKSUM Checksum is calculated by reading the contents of the ...
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... MODULO [0xFFFF Addition & = Bitwise AND Note 1: Checksum shown assumes that SUM_ID contains the unprotected checksum. DS41227E-page 16 (1) Checksum* (1) Checksum* Preliminary © 2007 Microchip Technology Inc. 0x723 at 0 Blank and Max Value Address 0xEE20 0x0C68 0xEDF7 0xD363 0x723 at 0 ...
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... PP ND mode by applying Legend: TBD = To Be Determined. Note 1: Minimum time to ensure that function completes successfully over voltage, temperature and device variations. © 2007 Microchip Technology Inc. Standard Operating Conditions (unless otherwise stated) Operating Temperature Operating Voltage Min. Typ. 4.5 — 4.5 — ...
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... PIC12F508/509 NOTES: DS41227E-page 18 Preliminary © 2007 Microchip Technology Inc. ...
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... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 Preliminary © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...