ML9058E datasheet(44/76 Pages) ETC2

44 / 76 page

FEDL9058E-01

LAPIS Semiconductor

ML9058E

44/76

Status Read (Read)

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

BUSY

ADC

ON/OFF

RESET

*: Invalid data

BUSY

When BUSY is '1', it indicates that the internal operations are being made or the LSI is

being reset. Although no command is accepted until BUSY becomes '0', there is no

need to check this bit if the cycle time can be satisfied.

ADC

This bit indicates the relationship between the column address and the segment driver.

0: Reverse (SEG131

 SEG0); column address 0(H)  83(H)

1: Forward (SEG0

 SEG131); column address 0(H)  83(H)

(Opposite to the polarity of the ADC command.)

ON/OFF

This bit indicates the ON/OFF state of the display. (Opposite to the polarity of the

display ON/OFF command.)

0: Display ON

1: Display OFF

RESET

This bit indicates that the LSI is being reset due to the RES signal or the reset

command.

0: Operating state

1: Being reset

Display Data Write (Write)

This command writes an 8-bit data at the specified address of the display data RAM. Since the column address is

automatically incremented (by +1) after writing the data, the MPU can write successive display data to the display

data RAM.

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

Write data

Display Data Read (Read)

This command read the 8-bit data from the specified address of the display data RAM. Since the column address is

automatically incremented (by +1) after reading the data, the MPU can read successive display data from the

display data RAM. Further, one dummy read operation is necessary immediately after setting the column data.

The display data cannot be read out when the serial interface is being used.

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

Read data

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