3886 datasheet(91/111 Pages) RENESAS

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3886 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

Table 31 Recommended operating conditions

(VCC = 2.7 to 5.5 V, VCC = 4.0 to 5.5 V for flash memory version, Ta = –20 to 85 °C, unless otherwise noted)

–10

–5

4.5 VCC–8

“H” peak output current

P00–P07, P10–P17, P20–P27, P30–P37, P40–P47,

P50–P57, P60–P67, P80–P87 (Note 1)

“L” peak output current

P00–P07, P10–P17, P20–P23, P30–P37, P40–P47,

P50–P57, P60–P67, P70–P77, P80–P87 (Note 1)

IOH(peak)

IOL(peak)

IOH(avg)

IOL(avg)

f(XIN)

Symbol

Parameter

Limits

Min.

MHz

kHz

Unit

Typ.

Max.

In single-chip mode

Notes 1: The peak output current is the peak current flowing in each port.

2: The average output current IOL(avg), IOH(avg) are average value measured over 100 ms.

3: When the oscillation frequency has a duty cycle of 50%.

4: When using the microcomputer in low-speed mode, set the sub-clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3.

5: When using the timer X/Y, timer 1/2, serial I/O1, serial I/O2, A-D converter, comparator, and PWM, set the main clock input oscillation frequency to

the max. 4.5VCC–8 (MHz).

In single-chip mode

In memory expansion mode

In microprocessor mode

In memory expansion mode

In microprocessor mode

32.768

f(XCIN)

“L” peak output current

P24–P27 (Note 1)

“H” average output current

P00–P07, P10–P17, P20–P27, P30–P37, P40–P47,

P50–P57, P60–P67, P80–P87 (Note 2)

“L” average output current

P00–P07, P10–P17, P20–P23, P30–P37, P40–P47,

P50–P57, P60–P67, P70–P77, P80–P87 (Note 2)

“L” peak output current

P24–P27 (Note 2)

Main clock input oscillation

frequency (Note 3)

Sub-clock input oscillation frequency (Notes 3, 4)

High-speed mode

4.0 V

≤ VCC ≤ 5.5 V

High-speed mode

2.7 V

≤ VCC ≤ 4.0 V

Middle-speed mode

4.0 V

≤ VCC ≤ 5.5 V

Middle-speed mode

2.7 V

≤ VCC ≤ 4.0 V (Note 5)

Middle-speed mode

2.7 V

≤ VCC ≤ 4.0 V (Note 5)

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