4551 datasheet(64/69 Pages) RENESAS

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MITSUBISHI MICROCOMPUTERS

4551 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for

INFRARED REMOTE CONTROL TRANSMITTER

Unit

µA

Ω

Max.

0.9

5.0

1.0

125

250

130

6.5

1200

ELECTRICAL CHARACTERISTICS

(Mask ROM version:Ta = –20

°C to 70 °C, VDD = 2.2 V to 5.5 V, unless otherwise noted)

(One Time PROM version:Ta = –20

°C to 70 °C, VDD = 2.5 V to 5.5 V, unless otherwise noted)

Limits

Symbol

VOL

VOH

IIH

IIL

IOZ

IDD

RPH

VT+ – VT–

RCOM

RSEG

RVLC

Parameter

“L” level output voltage

P0, P1, D0–D7, CARR, RESET

“H” level output voltage CARR

“H” level input current P0, P1, P2, RESET

“L” level input current P1, P2

Output current at off-state D0–D7

Supply current

(Note 2)

Pull-up resistor

value

Hysteresis

COM output impedance

SEG output impedance

LCD power supply internal resistor value

(Note 3)

Test conditions

IOL = 5 mA

IOL = 2 mA

IOH = –15 mA

IOH = –7 mA

VI = VDD (Note 1)

VI = 0 V (Note 1)

VO = VDD

VDD = 5.0 V, f(XCIN) = 32 kHz, f(XIN) = 8 MHz

STCK = f(XIN)/4

VDD = 5.0 V

f(XCIN) = 32 kHz

STCK = f(XIN)

VDD = 3.0 V, f(XCIN) = 32 kHz, f(XIN) = 4 MHz

STCK = f(XIN)/4

VDD = 3.0 V

f(XCIN) = 32 kHz

STCK = f(XIN)

VDD = 5.0 V

f(XIN) = stop

f(XCIN) = 32 kHz

VDD = 3.0 V

f(XIN) = stop

f(XCIN) = 32 kHz

f(XIN) = stop

f(XCIN) = 32 kHz

Ta=25

°C

f(XIN) = stop

f(XCIN) = 32 kHz

f(XIN) = stop, f(XCIN) = stop, Ta = 25

°C

f(XIN) = stop, f(XCIN) = stop

VDD = 5.0 V, VI = 0 V

VDD = 3.0 V, VI = 0 V

VDD = 5.0 V, VI = 0 V

VDD = 3.0 V, VI = 0 V

VDD = 5.0 V

VDD = 3.0 V

VDD = 5.0 V

VDD = 3.0 V

VDD = 5.0 V

VDD = 3.0 V

VDD = 5.0 V

VDD = 3.0 V

Impedance between VLC3 and VSS

Ta=25

°C

Typ.

2.5

0.1

100

0.5

0.4

1.5

0.6

1.3

1.6

1.8

2.2

600

VDD = 5.0 V

VDD = 3.0 V

VDD = 5.0 V

VDD = 3.0 V

at active high-speed mode

while LCD is operating

at active low-speed mode

while LCD is operating

at clock operating mode

while LCD is operating

at RAM back-up mode

P0, P1

RESET

INT

RESET

f(XIN) = 2 MHz

f(XIN) = 1 MHz

f(XIN) = 500 kHz

STCK = f(XCIN)/4

STCK = f(XCIN)

STCK = f(XCIN)/4

STCK = f(XCIN)

VDD = 5.0 V

VDD = 3.0 V

VDD = 5.0 V

VDD = 3.0 V

Min.

2.4

1.0

–1

300

2.3

1.4

0.7

0.6

0.4

27.5

Notes 1: In this case, the pull-up transistor of port P1 is turned off and the port P2 function is selected by software.

2: The current value includes the current dissipation of the LCD power supply internal resistor (RVLC).

3: VLC3=VDD.

4.6

2.8

1.4

1.2

0.8

140

180

17.5

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