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PD17P246 Scheda tecnica(PDF) 8 Page - Renesas Technology Corp |
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PD17P246 Scheda tecnica(HTML) 8 Page - Renesas Technology Corp |
8 / 34 page µPD17P246 6 Data Sheet U15215EJ1V0DS 1. DIFFERENCES BETWEEN µPD17246 AND µPD17P246 The µPD17P246 is equipped with one-time PROM to which data can be written by the user instead of the internal mask ROM (program memory) of the µPD17246. Table 1-1 shows the differences between the µPD17246 and µPD17P246. The CPU functions and internal hardware of the µPD17P246, 17240, 17241, 17242, 17243, 17244, 17245, and 17246 are identical. Therefore, the µPD17P246 can be used to evaluate the program developed for the µPD17240, 17241, 17242, 17243, 17244, 17245, and 17246 system. Note, however, that some of the electrical specifications such as supply current and low-voltage detection voltage of the µPD17P246 are different from those of the µPD17240, 17241, 17242, 17243, 17244, 17245, and 17246. Table 1-1. Differences Between µPD17246 and µPD17P246 Product Name µPD17P246 µPD17246 Item Program memory One-time PROM Mask ROM 32 KB (16,384 × 16) (0000H to 3FFFH) Data memory 447 × 4 bits Low-voltage detectorNote 1 Provided Any (mask option) VPP pin, operation mode select pin Provided Not provided Instruction execution timeNote 2 4 µs (VDD = 2.2 to 3.6 V) 4 µs (VDD = 2.0 to 3.6 V) Supply voltageNote 2 VDD = 2.2 to 3.6 V VDD = 2.0 to 3.6 V Package 30-pin plastic SSOP (7.62 mm (300)) Notes 1. Although the circuit configuration is identical, the electrical characteristics differ depending on the product. 2. When fX = 4 MHz and high-speed mode operation is set. |
Codice articolo simile - PD17P246_15 |
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Descrizione simile - PD17P246_15 |
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