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GMS81C5108 Datasheet(PDF) 86 Page - Hynix Semiconductor |
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GMS81C5108 Datasheet(HTML) 86 Page - Hynix Semiconductor |
86 / 102 page GMS81C5108 JUNE 2001 Ver 1.0 83 24. DEVEMOPMENT TOOLS 24.1 OTP Programming The GMS87C5108 is an OTP (One Time Programmable) micro- controllers. Its internal user memory is constructed with EPROM (Electrically Programmable Read Only Memory). The OTP microcontroller is generally used for chip evaluation, first production, small amount production, fast mass production, etc. Blank OTP’s internal EPROM is filled by 00H, not FFH. Note: In any case, you have to use the *.OTP file for pro- gramming, not the *.HEX file. After assemble, both OTP and HEX file are generated by automatically. The HEX file is used during program emulation on the emulator. How to Program To program the OTP devices, user can use Hynix own program- mer. Hynix own programmer list Manufacturer: Hynix Semiconductor Programmer: Choice-Sigma Choice-Gang4 The Choice-Sigma is a Hynix Universal Single Programmer for all of Hynix OTP devices, also the Choice-Gang4 can program four OTPs at once for Hynix OTP. Ask to Hynix sales part for purchasing or more detail Programming Procedure 1. Select device GMS87C5108 you want. 2. Load the *.OTP file from the PC. The file is composed of Motorola-S1 format. 3. Set the programming address range as below table. 4. Mount the socket adapter on the programmer. 5. Start program/verify. Pin Function VPP (Program Voltage) VPP is the input for the program voltage for programming the EPROM. CE (Chip Enable) CE is the input for programming and verifying internal EPROM. OE (Output Enable) OE is the input of data output control signal for verify. A0~A15 (Address Bus) A0~A15 are address input pins for internal EPROM. O0~O7 (EPROM Data Bus) These are data bus for internal EPROM. Address Set Value Buffer start address E000H Buffer end address FFFFH Device start address E000H |
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