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UPD784938 Datasheet(PDF) 46 Page - NEC |
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UPD784938 Datasheet(HTML) 46 Page - NEC |
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46 / 733 page  CHAPTER 1 GENERAL 46 Preliminary User’s Manual U13987EJ1V0UM00 1.5 Block Diagram Note µPD78F4938 only Remark The capacities of the internal ROM and RAM varies depending on the product. PROGRAMMABLE INTERRUPT CONTROLLER TIMER/EVENT COUNTER0 (16 BITS) TIMER/EVENT COUNTER1 (16 BITS) TIMER/EVENT COUNTER2 (16 BITS) TIMER3 (16 BITS) REAL-TIME OUTPUT PORT A/D CONVERTER PWM 78 K/IV CPU CORE ROM RAM UART/IOE2 UART/IOE1 BAUD-RATE GENERATOR BAUD-RATE GENERATOR CLOCKED SERIAL INTERFACE CLOCK OUTPUT BUS I/F PORT0 PORT1 PORT2 PORT3 PORT4 PORT5 PORT6 PORT7 NMI INTP3 TO0 TO1 INTP0 INTP1 INTP2/CI TO2 TO3 P00 to P03 P04 to P07 PWM0 PWM1 AVDD AVREF1 AVSS INTP5 ANI0 to ANI7 INTP0 to INTP5 RxD/SI1 TxD/SO1 ASCK/SCK1 RxD2/SI2 ASCK2/SCK2 TxD2/SO2 SCK0 SO0 SI0 ASTB/CLKOUT AD0 to AD7 A8 to A15 A16 to A19 RD WR WAIT/HLDRQ REFRQ/HLDAK D0 to D7Note CENote A0 to A16Note OENote PGMNote P00 to P07 P10 to P17 P30 to P37 P40 to P47 P50 to P57 P20 to P27 P60 to P67 P70 to P77 CLOCKED SERIAL INTERFACE3 SCK3 SO3 SI3 PORT9 PORT10 P90 to P97 P100 to P107 TX RX RESET TEST X1 X2 REGC REGOFF VPPNote VDD VSS XT1 XT2 SYSTEM CONTROL (REGULATOR) IEBus CONTROLLER WATCH TIMER WATCHDOG TIMER |
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Similar Description - UPD784938 |
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