ML9092-01TB datasheet(31/66 Pages) OKI

31 / 66 page

FEDL9092-01

OKI Semiconductor

ML9092-01/02/03/04

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Instruction Code List (ML9092-01)

Instruction Code

Data

No.

Instruction

Fixed bit R/W

Description

Key scan register read

ST2

ST1

ST0

Reads scan read timing bits (ST0 to ST2) and key scan

data (S0 to S4) of the key scan register.

Display data RAM write

Display data RAM read

X address register set

–

Sets the X address (X0 to X3) of the display data RAM.

Y address register set

–

Sets the Y address (Y0 to Y3) of the display data RAM.

Port register A set

–

PTA0 Controls the output of the general-purpose port A (PTA0).

Port register B set

–

PTB2 PTB1 PTB0

Controls the output of the general-purpose port B (PTB0

to PTB2).

Port register C set

–

PTC4 PTC3 PTC2 PTC1 PTC0

Port register D set

–

PTD4 PTD3 PTD2 PTD1 PTD0

Control register 1 set

INC

WLS

SHL

DTY1 DTY0

Sets the address increment X or Y direction (INC), display

data word length (WLS), key scan time (KT), common

driver shift direction (SHL), voltage doubler control (BE),

port control (PE), and display duty (DTY0, DTY1).

Control register 2 set

DISP Sets display ON/OFF (DISP).

Rotary encoder read

Reads the counter bits (Q1 to Q4) of the rotary encoder.

Contrast ADJ set

–

CT3

CT2

CT1

CT0

Sets contrast adjustment values with the contrast

adjustment bits (CT0 to CT3).

PWM0 register set

PW07 PW06 PW05 PW04 PW03 PW02 PW01 PW00

Sets the pulse width to be output from general-purpose

port B (PTB0) with the bits (PW00 to PW07) of PWM0.

PWM1 register set

PW17 PW16 PW15 PW14 PW13 PW12 PW11 PW10

PWM2 register set

PW27 PW26 PW25 PW24 PW23 PW22 PW21 PW20

Test register set

–

Test instruction exclusively used by manufacturer (T1 to

T5). Customers must not use this instruction.

Notes:

R/W

: Read/write select bit

1:Read, 0: Write

ST0 to ST2

: Key scan read count display bits

S0 to S4

: Key scan data

D0 to D7

: Write or read data of the display data RAM

X0 to X3

: X addresses of the display data RAM

Y0 to Y3

: Y addresses of the display data RAM

PTA0

: Port A data

PTB0 to PTB2

: Port B output control

1: Output enable, 0: Fixed at “L”

PTC0 to PTC4

: Port C data

PTD0 to PTD4

: Port D data

INC

: Display data RAM address increment. 1: X direction, 0: Y direction

WLS

: Word length select bit

1: 6 bits, 0: 8 bits

: Key scan period select bit

1: 10 ms, 0: 0.5 ms

SHL

: Common driver shift direction select bit

1: COM10

→COM1, 0: COM1→COM10

: Voltage doubler control bit

1: Voltage doubler enable

0: Voltage doubler disable

: Port enable/disable select bit

1: All ports enable

0: All ports go into high impedance for output

DTY0, DTY1

: Display duty select bits (1/8, 1/9, 1/10)

DISP

: Display ON/OFF select bit

1: Display ON, 0: Display OFF

Q1 to Q4

: Rotary encoder switch count bits (2’s complement)

CT0 to CT3

: Contrast adjustment bit

PW00 to PW07

: PWM0 setting bits

PW10 to PW17

: PWM1 setting bits

PW20 to PW2

: PWM2 setting bits

T1 to T5

: Bits for test instruction. Customers should not access these bits.

–

: Don’t Care

Writes display data (D0 to D7) in the display data RAM

after setting the X address of Y address.

Reads display data (D0 to D7) from the display data RAM

after setting the X address of Y address.

Controls the output of the general-purpose port C (PTC0

to PTC4).

Controls the output of the general-purpose port D (PTD0

to PTD4).

Sets the pulse width to be output from general-purpose

port B (PTB1) with the bits (PW10 to PW17) of PWM1.

Sets the pulse width to be output from general-purpose

port B (PTB2) with the bits (PW20 to PW27) of PWM2.

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