HD61830 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD61830

LCDC (LCD Timing Controller)

Hitachi -> Renesas Electronics 

HD61830/HD61830B

Display Control Instructions

Display is controlled by writing data into the instruction register and 13 data registers. The RS signal

distinguishes the instruction register from the data registers. 8-bit data is written into the instruction register

with RS = 1, and the data register code is specified. After that, the 8-bit data is written in the data register

and the specified instruction is executed with RS = 0.

During the execution of the instruction, no new instruction can be accepted. Since the busy flag is set

during this, read the busy flag and make sure it is 0 before writing the next instruction.

1. Mode Control: (Execution time: 4 µs) Code H'00 (hexadecimal) written into the instruction register

specifies the mode control register.

Register

Instruction reg.

Mode control reg.

R/W RS DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

0

1

0

0

0

0

0

0

0

0

0

0

0

0

Mode data

DB5 DB4 DB3 DB2 DB1 DB0

Cursor/blink

1/0 1/0

0

0

0

0 Cursor off

0

1

Cursor on

Graphic/character

CG

display

Character display

(Character mode)

1

0

Cursor off, character blink

1

1

Cursor blink

0

0

1 Cursor off

0

1

Cursor on

1

0

Cursor off, character blink

1

1

Cursor blink

0

0

1

0

Graphic mode

1: Master mode

0: Slave mode

1: Display ON

0: Display OFF

9

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