M38B53M4-059FP datasheet(210/355 Pages) MITSUBISHI

210 / 355 page

38B5 Group User’s Manual

2-122

APPLICATION

2.4 FLD controller

Control procedure:

Figure 2.4.42 shows the control procedure.

Fig. 2.4.42 Control procedure

Initialization

P0FPR (address 0EF916)

P2FPR (address 0EFA16)

P8FPR (address 0EFB16)

FLDM (address 0EF416)

TDISP (address 0EF516)

TOFF1 (address 0EF616)

TOFF2 (address 0EF716)

FLDDP (address 0EF816)

P5D (address 000B16)

P5 (address 000A16)

T34M (address 002916)

INTEDGE (address 003A16), bit 7

T4 (address 002316)

T56M (address 002A16)

T5 (address 002416)

T6 (address 002516)

P5 (address 000A16)

111111112

1XXX11112

101000012

3216

A16

1016 (Note 1)

XXXX11112

XXXXXX112

XXXXXX002

0X10XX1X2

FF16

000100112

716

CB16

XXXXXX012

FLD automatic display RAM

(addresses 0FB016–0FFF16)

Main processing

RESET

RESET of M35501FP released (Note 2)

IREQ2 (address 003D16), bit 2

ICON2 (address 003F16), bit 2

T34M (address 002916), bit 0

T56M (address 002A16), bit 0, 1

FLDM (address 0EF416), bit 1

002

Timer 4, timer 5, timer 6 count start (Note 4)

FLD automatic display start (Note 4)

Timer 5, timer 6 setting

Timer 6 interrupt enabled

qX: This bit is not used for this application.

Set “0” or “1” to this bit arbitrarily.

FLD automatic display function setting

FLD port setting

Port direction register setting

RESET to M35501FP = “L

” , SEL = “L” signal output setting

Timer 4 setting

Data to be

display

Setting of CLK data to M35501FP and

segment data (Note 3)

Setting of gradation display control data

Set “1” for dark display

Set “0” for bright display (Note 3)

Gradation display control

RAM

(addresses 0F6016–0FAF16)

Gradation

display control

data (Note 1)

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