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ST6200C 数据表(PDF) 14 Page - STMicroelectronics |
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ST6200C 数据表(HTML) 14 Page - STMicroelectronics |
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14 / 100 page  ST6200C/ST6201C/ST6203C 14/100 3.2 PROGRAMMING MODES 3.2.1 Program Memory EPROM/OTP programming mode is set by a +12.5V voltage applied to the TEST/VPP pin. The programming flow of the ST62T00C, T01/E01C and T03C is described in the User Manual of the EPROM Programming Board. Table 3. ST6200C/03C Program Memory Map Table 4. ST6201C Program Memory Map Note: OTP/EPROM devices can be programmed with the development tools available from STMicroelectronics (please refer to Section 13 on page 95). 3.2.2 EPROM Erasing The EPROM devices can be erased by exposure to Ultra Violet light. The characteristics of the MCU are such that erasure begins when the memory is exposed to light with a wave lengths shorter than approximately 4000Å. It should be noted that sun- light and some types of fluorescent lamps have wavelengths in the range 3000-4000Å. It is thus recommended that the window of the MCU packages be covered by an opaque label to prevent unintentional erasure problems when test- ing the application in such an environment. The recommended erasure procedure is exposure to short wave ultraviolet light which have a wave- length 2537Å. The integrated dose (i.e. U.V. inten- sity x exposure time) for erasure should be a mini- mum of 30W-sec/cm2. The erasure time with this dosage is approximately 30 to 40 minutes using an ultraviolet lamp with 12000µW/cm2 power rating. The EPROM device should be placed within 2.5cm (1inch) of the lamp tubes during erasure. Device Address Description 0000h-0B9Fh 0BA0h-0F9Fh 0FA0h-0FEFh 0FF0h-0FF7h 0FF8h-0FFBh 0FFCh-0FFDh 0FFEh-0FFFh Reserved User ROM Reserved Interrupt Vectors Reserved NMI Interrupt Vector Reset Vector Device Address Description 0000h-087Fh 0880h-0F9Fh 0FA0h-0FEFh 0FF0h-0FF7h 0FF8h-0FFBh 0FFCh-0FFDh 0FFEh-0FFFh Reserved User ROM Reserved Interrupt Vectors Reserved NMI Interrupt Vector Reset Vector 1 |
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