M38B53M4-059FP datasheet(200/355 Pages) MITSUBISHI

200 / 355 page

38B5 Group User’s Manual

2-112

APPLICATION

2.4 FLD controller

Fig. 2.4.32 Connection diagram

Specifications: •Use of M35501FP (M35501FP: 16 digits, 38B5 Group: 36 segments)

_____________

Ports P50 and P51 of 38B5 Group supply signals to the RESET and SEL pins of

M35501FP respectively.

The P87 pin (FLD port vacant pin) supply signals to the CLK pin of M35501FP.

•Use of FLD automatic display mode of 38B5 Group

•Display in gradation display mode and 16 timing mode

•Toff1 = 40

µs, Toff2 = 64 µs, Tdisp = 204 µs, f(XIN) = 4 MHz

Figure 2.4.33 shows the timing chart of 38B5 Group and M35501FP, and Figure 2.4.34 shows the

timing chart (enlarged view) of digit and segment output.

(4)

Display by combination with digit expander (M35501FP*) (basic combination example)

* For M35501FP, refer to section “3.12 M35501FP”.

Outline: The fluorescent display which has many display numbers (36 segments ! 16 digits) is

displayed by using the digit expander (M35501FP).

Digit (16)

Fluorescent display (FLD)

P30–P37

P10–P17

P00–P07

P20–P27

Segment (36)

38B5 Group

M35501FP

CLK

SEL

RESET

DIG0–DIG15

P80–P83

P87

P50

P51

OVFIN

TRACK

DISC

SLEEP

REC

DATE

CLOCK

REC

1234

567

21222324

29 30 31 32 33 34 35 36

M38B53M4-059FP Datasheet(PDF) 200 Page - Mitsubishi Electric Semiconductor

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