参数资料
型号: ML9044A-XXBCVWA
厂商: LAPIS SEMICONDUCTOR CO LTD
元件分类: 显示控制器
英文描述: 17 X 120 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC175
封装: GOLD BUMP, DIE-175
文件页数: 8/65页
文件大小: 726K
代理商: ML9044A-XXBCVWA
PEDL9044A-04
OKI Semiconductor
ML9044A-xxA/xxB
15/64
Address Counter (ADC)
The address counter provides a read/write address for the DDRAM, ABRAM or CGRAM and also provides a
cursor display address.
When an instruction code specifying DDRAM, ABRAM or CGRAM address setting is input to the pre-defined
register, the register selects the specified DDRAM, ABRAM or CGRAM and transfers the address code to the
ADC. The address data in the ADC is automatically incremented (or decremented) by 1 after the display data is
written in or read from the DDRAM, ABRAM or CGRAM.
The data in the ADC is output to DB0 to DB6 when R/W = “H”, RS0 = “L”, RS1 = “H” and BF = “0”.
Timing Generator
The timing generator generates timing signals for the internal operation of the ML9044A activated by the
instruction sent from the CPU or for the operation of the internal circuits of the ML9044A such as DDRAM,
ABRAM, CGRAM and CGROM. Timing signals are generated so that the internal operation carried out for LCD
displaying will not be interfered by the internal operation initiated by accessing from the CPU. For example, when
the CPU writes data in the DDRAM, the display of the LCD not corresponding to the written data is not affected.
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