M37225M8 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

M37225M8

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

Renesas Electronics 

M37225M6/M8/MA/MC-XXXSP, M37225ECSP

Address 021B16

ROM Correction Enable Register

b7 b6 b5 b4 b3 b2 b1 b0

00000

ROM correction enable register (RCR) [Address 021B16]

B

Name

0 Vector 1 enable bit (RCR0)

1 Vector 2 enable bit (RCR1)

2 Vector 3 enable bit (RCR2)

3 Fix these bits to “0.”

to

7

Functions

0: Disabled

1: Enabled

0: Disabled

1: Enabled

0: Disabled

1: Enabled

After reset R W

0

RW

0

RW

0

RW

0 RW

Address 024016

Left Border Control Register

b7 b6 b5 b4 b3 b2 b1 b0

Left border control register (LBR) [Address 024016]

B

Name

Functions

After reset R W

0 Control bits of

to left border

6 (LBR0 to LBR6)

Left border position = Tdef4 + 4TOSC ✕ n + 1TOSC ✕ WH

(n: setting value, Tdef4: 4TOSC,

TOSC: OSD oscillation cycle,

WH: value (0 to 3) of window horizontal position minute adjustment bit)

0 RW

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

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

0 R—

Note: Set values fit for LBR ≤ RBR.

Address 024116

Right Border Control Register

b7 b6 b5 b4 b3 b2 b1 b0

Right border control register (RBR) [Address 024116]

B

Name

Functions

After reset R W

0 Control bits of

Right border position = Tdef4 + 4TOSC ✕ n + 1TOSC ✕WH

0

to left border

(n: setting value, Tdef4: 4TOSC,

6 (RBR0 to RBR6) TOSC: OSD oscillation cycle,

WH: value (0 to 3) of window horizontal position minute adjustment bit)

RW

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

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

0 R—

Note: Set values fit for LBR ≤ RBR.

Rev.1.00 Nov 01, 2000 page 122 of 124

REJ03B0136-0100Z

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