M37207MF datasheet(54/122 Pages) RENESAS

54 / 122 page

MITSUBISHI MICROCOMPUTERS

M37207MF-XXXSP/FP, M37207M8-XXXSP

M37207EFSP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

and ON-SCREEN DISPLAY CONTROLLER

CSn1

Set Values of Character Size Register

CSn0

Character

Size

Minimum

Medium

Large

Extra large

Width (horizontal) Direction

TC: Oscillating Cycle for Display

1TC

2TC

3TC

Height (Vertical) Direction

Scanning Lines

4TC

Note: The display start position in the horizontal direction is not affected by the character size. In other words, the horizontal display start

position is common to all blocks even when the character size varies with each block (refer to Figure 50).

Table 7. Relation between Set Values in Character Size Register and Character Sizes

Fig. 51. Character Size Register

b7 b6 b5 b4 b3 b2 b1 b0

Character size register (CS) [Address 00E4 16]

Name

Functions

After reset

R W

Character Size Register

0, 1 Character size of block 1

selection bits

(CS10, CS11)

b1 b0

0 0 : Minimum size

0 1 : Medium size

1 0 : Large size

1 1 : Extra large size

Indeterminate

2, 3 Character size of block 2

selection bits

(CS20, CS21)

Indeterminate

Nothing is assigned. This bit is a write disable bit.

When this bit is read out, the value is indeterminate.

R—

4, 5 Character size of block 2

selection bits

(CS30, CS31)

Indeterminate RW

OUT signal output switch

bit

(CS7)

0 : OUT signal output

1 : MUTE signal output

(See note)

Indeterminate RW

Note: This erases a video signal on an entire screen.

b3 b2

0 0 : Minimum size

0 1 : Medium size

1 0 : Large size

1 1 : Extra large size

b5 b4

0 0 : Minimum size

0 1 : Medium size

1 0 : Large size

1 1 : Extra large size

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