3820 datasheet(63/67 Pages) RENESAS

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3820 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

_____

tw(RESET)

tc(XIN)

twH(XIN)

twL(XIN)

tc(CNTR)

twH(CNTR)

twL(CNTR)

twH(INT)

twL(INT)

tc(SCLK1)

twH(SCLK1)

twL(SCLK1)

tsu(RXD–SCLK1)

th(SCLK1–RXD)

tc(SCLK2)

twH(SCLK2)

twL(SCLK2)

tsu(SIN2–SCLK2)

th(SCLK2–SIN2)

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).

Reset input “L” pulse width

Main clock input cycle time (XIN input)

Main clock input “H” pulse width

Main clock input “L” pulse width

CNTR0, CNTR1 input cycle time

CNTR0, CNTR1 input “H” pulse width

CNTR0, CNTR1 input “L” pulse width

INT0 to INT3 input “H” pulse width

INT0 to INT3 input “L” pulse width

Serial I/O1 clock input cycle time (Note)

Serial I/O1 clock input “H” pulse width (Note)

Serial I/O1 clock input “L” pulse width (Note)

Serial I/O1 input set up time

Serial I/O1 input hold time

Serial I/O2 clock input cycle time

Serial I/O2 clock input “H” pulse width

Serial I/O2 clock input “L” pulse width

Serial I/O2 input set up time

Serial I/O2 input hold time

Symbol

Parameter

Limits

Min.

µs

Unit

(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85

°C, unless otherwise noted.)

TIMING REQUIREMENTS 1 (Low Power Source Voltage Version)

125

250

105

800

370

220

100

1000

400

200

Typ.

Max.