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39 / 52 page ![]() MITSUBISHI MICROCOMPUTERS SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER 3802 Group 38 Note: When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1”. Divide this value by four when f(XIN) = 8 MHz and bit 6 of address 001A16 is “0”. Reset input “L” pulse width External clock input cycle time External clock input “H” pulse width External clock input “L” pulse width CNTR0, CNTR1 input cycle time CNTR0, CNTR1 input “H” pulse width INT0 to INT4 input “H” pulse width CNTR0, CNTR1 input “L” pulse width INT0 to INT4 input “L” pulse width Serial I/O1 clock input cycle time (Note) Serial I/O2 clock input cycle time Serial I/O1 clock input “H” pulse width (Note) Serial I/O2 clock input “H” pulse width Serial I/O1 clock input “L” pulse width (Note) Serial I/O2 clock input “L” pulse width Serial I/O1 input set up time Serial I/O2 input set up time Serial I/O1 input hold time Serial I/O2 input hold time tw(RESET) tc(XIN) twH(XIN) twL(XIN) tc(CNTR) twH(CNTR) twH(INT) twL(CNTR) twL(INT) tc(SCLK1) tc(SCLK2) twH(SCLK1) twH(SCLK2) twL(SCLK1) twL(SCLK2) tsu(RXD–SCLK1) tsu(SIN2–SCLK2) th(SCLK1–RXD) th(SCLK2–SIN2) Symbol Parameter Limits Min. µs ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns Unit TIMING REQUIREMENTS 1 (VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted) 2 125 50 50 200 80 80 80 80 800 1000 370 400 370 400 220 200 100 200 Typ. Max. Reset input “L” pulse width External clock input cycle time External clock input “H” pulse width External clock input “L” pulse width CNTR0, CNTR1 input cycle time CNTR0, CNTR1 input “H” pulse width INT0 to INT4 input “H” pulse width CNTR0, CNTR1 input “L” pulse width INT0 to INT4 input “L” pulse width Serial I/O1 clock input cycle time (Note) Serial I/O2 clock input cycle time Serial I/O1 clock input “H” pulse width (Note) Serial I/O2 clock input “H” pulse width Serial I/O1 clock input “L” pulse width (Note) Serial I/O2 clock input “L” pulse width Serial I/O1 input set up time Serial I/O2 input set up time Serial I/O1 input hold time Serial I/O2 input hold time tw(RESET) tc(XIN) twH(XIN) twL(XIN) tc(CNTR) twH(CNTR) twH(INT) twL(CNTR) twL(INT) tc(SCLK1) tc(SCLK2) twH(SCLK1) twH(SCLK2) twL(SCLK1) twL(SCLK2) tsu(RXD–SCLK1) tsu(SIN2–SCLK2) th(SCLK1–RXD) th(SCLK2–SIN2) Symbol Parameter Limits Min. µs ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns Unit TIMING REQUIREMENTS 2 (VCC = 3.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted) 2 500/ (3 VCC–8) 200/ (3 VCC–8) 200/ (3 VCC–8) 500 230 230 230 230 2000 2000 950 950 950 950 400 400 200 300 Typ. Max. Note: When f(XIN) = 2 MHz and bit 6 of address 001A16 is “1”. Divide this value by four when f(XIN) = 2 MHz and bit 6 of address 001A16 is “0”. |
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