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MB89P665P-SH Datasheet(PDF) 5 Page - Fujitsu Component Limited. |
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MB89P665P-SH Datasheet(HTML) 5 Page - Fujitsu Component Limited. |
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5 / 47 page  5 MB89660R Series s DIFFERENCES AMONG PRODUCTS 1. Memory Size Before evaluating using the OTPROM (one-time PROM) product (also used for evaluation), verify its differences from the product that will actually be used: Take particular care on the following points: • On the MB89663R, register bank from 16 to 32 cannot be used. • On the MB89P665, address BFF0H to BFF6H comprise the option setting area, option settings can be read by reading these addresses. • The stack area, etc., is used. 2. Current Consumption • When operated at low speed, the product with an OTPROM or an EPROM will consume more current than the product with a mask ROM. • However, the same is the current comsumption in sleep/stop modes. (For more information, see sections “s Electrical Characteristics” and “s Example Characteristics.” 3. Mask Options Functions that can be selected as options and how to designate these options vary with product. Before using options, check section “s Mask Options.” Take particular care on the following points: • On the MB89P665, a pull-up resistor must be selected in a group of four pins for P54 to P57. • For all products, P50 to P57 must be set for no pull-up resistor optional when an A/D converter is used. 4. Differences between the MB89660 and MB89660R Series • Memory access area Memory access area of both the MB89660R and MB89660 series is the same. • Other Specifications For MB89660R series, input level at P00 to P07 and P10 to P17 is fixed when the hardware is standing-by. And for MB89660 series, input level at P00 to P07 and P10 to P17 is not fixed. Therefore, when the medium voltage is input there such as input open, the standby current will increase. • Electrical specifications/electrical characteristics There are differences at pull down resistances of MOD0 and MOD1 between MB89660R series and MB89660 series. For more information, see “3. DC characteristics” in section “s Electrical Characteristics”. Electrical specification of the other items of MB89660R series and MB89660 series are equivalent. However, it is possible that the valid characteristic will be modified. See the corresponding characteristic respectively for detail. |
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