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4250 Datasheet(PDF) 4 Page - Renesas Technology Corp |
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4250 Datasheet(HTML) 4 Page - Renesas Technology Corp |
4 / 59 page 3 MITSUBISHI MICROCOMPUTERS 4250 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER PERFORMANCE OVERVIEW Function 70 1.0 µs (at 4.0 MHz system clock frequency) (Refer to the electrical characteristics because the minimum instruction execution time depends on the supply voltage.) 2048 words ! 9 bits 64 words ! 4 bits Four independent I/O ports; ports D2 and D3 are also used as ports C and K, respectively. 4-bit I/O port 1-bit I/O port; port C is also used as port D2. 1-bit I/O port; port K is also used as port D3. 2-bit I/O port 4-bit I/O port; ports G0 and G1 are also used as pins INT and TOUT. Interrupt input; INT pin is also used as port G0. Timer output; TOUT pin is also used as port G1. 8-bit timer with a reload register 2 (one for external and one for timer) 1 level CR oscillation circuit (a capacitor and a resistor connected externally) Frequency error: ±17 % (VDD = 5 V ± 10 %, VDD = 3 V ± 10 %, the error of the external capacitor and resistor excluded) 4 levels CMOS silicon gate 20-pin plastic molded SOP (20P2N-A) –20 °C to 85 °C 2.2 V to 5.5 V (Refer to the electrical characteristics because the supply voltage depends on the system clock frequency.) 1.5 mA (at 4.0 MHz system clock frequency, VDD = 5 V, output transistors in the cut-off state) 0.1 µA (at room temperature, VDD = 5 V, output transistors in the cut-off state) Parameter Number of basic instructions Minimum instruction execution time Memory sizes Input/Output ports Timer Interrupt Oscillation circuit Subroutine nesting Device structure Package Operating temperature range Supply voltage Power dissipation (typical value) ROM RAM D0–D3 S0–S3 C K F0, F1 G0–G3 INT TOUT Timer 1 Sources Nesting Active mode RAM back-up mode M34250M2/ E2 I/O I/O I/O I/O I/O I/O Input Output |
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