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M38504M6-SS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC

M38504M6-SS Datasheet PDF : 52 Pages

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MITSUBISHI MICROCOMPUTERS

3850 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

TIMING REQUIREMENTS

Table 12 Timing requirements (1)

(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)

Symbol

Parameter

tW(RESET)

Reset input “L” pulse width

tC(XIN)

External clock input cycle time

tWH(XIN)

External clock input “H” pulse width

tWL(XIN)

External clock input “L” pulse width

tC(CNTR)

CNTR0, CNTR1 input cycle time

tWH(CNTR)

CNTR0, CNTR1, INT0–INT3 input “H” pulse width

tWL(CNTR)

CNTR0, CNTR1, INT0–INT3 input “L” pulse width

tC(SCLK)

Serial I/O clock input cycle time (Note)

tWH(SCLK)

Serial I/O clock input “H” pulse width (Note)

tWL(SCLK)

Serial I/O clock input “L” pulse width (Note)

tsu(RxD-SCLK)

Serial I/O input setup time

th(SCLK-RxD)

Serial I/O input hold time

Note : When f(XIN) = 8 MHz and bit 6 of address 001A16 is “1” (clock synchronous).

Divide this value by four when f(XIN) = 8 MHz and bit 6 of address 001A16 is “0” (UART).

Table 13 Timing requirements (2)

(VCC = 2.7 to 4.0 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)