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MB89W689 Datasheet(PDF) 11 Page - Fujitsu Component Limited. |
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MB89W689 Datasheet(HTML) 11 Page - Fujitsu Component Limited. |
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11 / 43 page  11 MB89680 Series s PROGRAMMING TO THE EPROM ON THE MB89P689/W689 The MB89P689/W689 is an OTPROM version of the MP89680 series. 1. Features • 60-Kbyte PROM on chip • Options can be set using the EPROM programmer. • Equivalent to the MBM27C1001 in EPROM mode (when programmed with the EPROM programmer) and supporting the 4-byte programming mode 2. Memory Space Memory space in each mode such as 60-Kbyte PROM, option area is diagrammed below. 3. Programming to the EPROM In EPROM mode, the MB89P689 functions equivalent to the MBM27C1001. This allows the PROM to be programmed with a general-purpose EPROM programmer (the electronic signature mode cannot be used) by using the dedicated socket adapter. When the operating ROM area for a single chip is 60 Kbytes (1000H to FFFFH) the PROM can be programmed as follows: • Programming procedure (1) Set the EPROM programmer to MBM27C1001. (2) Load program data into the EPROM programmer at 1000H to FFFFH. Load option data into addresses 0FE4H to 0FFCH of the EPROM programmer. (For information about each corresponding option, see “8. Setting PROM Options.”) (3) Program to 0FE4H to 0FFCH and 1000H to FFFFH with the EPROM programmer. PROM 60 KB 0FFFFH 00000H 00FE4H 00080H 00880H Option area Single chip EPROM mode (Corresponding addresses on the EPROM programmer) I/O RAM 2 KB Not available 1FFFFH 00000H PROM 60 KB 01000H 01000H 0FFFFH 00FE4H 00FFCH 00FFCH Not available Not available Option area Address |
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