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MB89151APF Datasheet(PDF) 17 Page - fujitsu semiconductor |
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MB89151APF Datasheet(HTML) 17 Page - fujitsu semiconductor |
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17 / 52 page  17 MB89150/150A Series 7. Setting OTPROM Options The programming procedure is the same as that for the PROM. Options can be set by programming values at the addresses shown on the memory map. The relationship between bits and options is shown on the following bit map: • OTPROM option bit map Notes: • Set each bit to 1 to erase. • Do not write 0 to the vacant bit. The read value of the vacant bit is 1, unless 0 is written to it. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 3FF0H Vacancy Readable Vacancy Readable Oscillation stabilization time WTM1 WTM0 See section “s Mask Options.” Vacancy Readable Reset pin output 1: Yes 0: No Clock mode selection 1: Dual clock 0: Single clock Power-on reset 1: Yes 0: No 3FF1H P07 Pull-up 1: No 0: Yes P06 Pull-up 1: No 0: Yes P05 Pull-up 1: No 0: Yes P04 Pull-up 1: No 0: Yes P03 Pull-up 1: No 0: Yes P02 Pull-up 1: No 0: Yes P01 Pull-up 1: No 0: Yes P00 Pull-up 1: No 0: Yes 3FF2H P17 Pull-up 1: No 0: Yes P16 Pull-up 1: No 0: Yes P15 Pull-up 1: No 0: Yes P14 Pull-up 1: No 0: Yes P13 Pull-up 1: No 0: Yes P12 Pull-up 1: No 0: Yes P11 Pull-up 1: No 0: Yes P10 Pull-up 1: No 0: Yes 3FF3H Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable 3FF4H Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable 3FF5H Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable Vacancy Readable |
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