M37225M6_15 datasheet(83/128 Pages) RENESAS

Part #	M37225M6

Description	SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

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Manufacturer	RENESAS [Renesas Technology Corp]

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M37225M6/M8/MA/MC-XXXSP, M37225ECSP

Rev.1.00

Nov 01, 2000

page 81 of 124

REJ03B0136-0100Z

Fig. 8.10.33 SPRITE H Register

Fig. 8.10.35 SPRITE V Register

b7b6b5b4b3b2b1b0

SPRITE H register (SHP) [Address 00E416]

BNameFunctions

SPRITE H Register

0

to

7

Horizontal display

start position

control bits of

SPRITE OSD

(SHP0 to SHP7)

Horizontal display start position

= Tdef2 + 2TOSC

n

(n: setting value, Tdef2: 2TOSC,

TOSC: OSD oscillation cycle)

After resetR W

RW

0

Notes 1: Set values except “0016” to “0216” to SHP.

2: When selecting raster patterning display, setting value is

synchronized with VSYNC signal; when selecting SPRITE

display, it is not synchronized.

✕

b7b6b5 b4b3b2b1b0

SPRITE V register (SVP) [Address 00E516]

B

Name

Functions

SPRITE V Register

0

to

7

Horizontal display

start position

control bits of

SPRITE OSD

(SVP0 to SVP7)

(See note 1)

Horizontal display start position

= Hdef + H ✕ n

(n: setting value, Hdef: 17H, H: HSYNC)

Note: Set values except “0016” to the SVP.

After reset

R W

RW

Indeterminate

Fig. 8.10.34 Note on Horizontal Display Start Position of SPRITE Display

NH' : value of SPRITE H register (decimal) (see note)

TOSC : OSD oscillation cycle

Tdef2 : 2TOSC

Note: Do not set “0” to “2” to NH'.

HSYNC

2TOSC ✕ NH'

Tdef2

When setting the SPRITE H register to “0316,” the interval of Tdef2 + 2TOSC ✕ 3 = 8TOSC is necessary

from a rising edge (negative polarity) to horizontal display start position.

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