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UPD754264GS Datasheet(PDF) 2 Page - NEC |
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UPD754264GS Datasheet(HTML) 2 Page - NEC |
2 / 68 page 2 µPD754264 Functional Outline Parameter Function Instruction execution time • 0.95, 1.91, 3.81, 15.3 µs (@ fX = 4.19-MHz operation) • 0.67, 1.33, 2.67, 10.7 µs (@ fX = 6.0-MHz operation) On-chip Mask ROM 4096 × 8 bits (0000H-0FFFH) memory RAM 128 × 4 bits (000H-07FH) EEPROM 32 × 8 bits (400H-43FH) System clock oscillator Crystal/ceramic oscillator General-purpose register • 4-bit operation: 8 × 4 banks • 8-bit operation: 4 × 4 banks Input/output CMOS input 4 On-chip pull-up resistor can be specified by mask option. port CMOS input/output 9 On-chip pull-up resistor connection can be specified by means of software. Total 13 Start-up time after reset 217/fX, 215/fX, 213/fX (selected by mask option) Stand-by mode release time 220/fX, 217/fX, 215/fX, 213/fX (selected by the setting of BTM) Timer 4 channels • 8-bit timer counter (can be used as 16-bit timer counter) : 3 channels • Basic interval/watchdog timer : 1 channel A/D converter 8-bit resolution × 2 channels (1.8 V ≤ AVREF ≤ VDD) Bit sequential buffer 16 bits Vectored interrupt External: 1, Internal: 5 Test input External: 1 (key return reset function available) Standby function STOP/HALT mode Operating ambient temperature TA = –40 to +85 °C Operating supply voltage VDD = 1.8 to 6.0 V Package 20-pin plastic SOP (300 mil, 1.27-mm pitch) |
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