ML9092-02 View Datasheet(PDF) - LAPIS Semiconductor Co., Ltd.
Part Name
Description
MFG CO.
'ML9092-02' PDF : 66 Pages View PDF
LAPIS Semiconductor
FEDL9092-01
ML9092-01/02/03/04
Instruction Code List (ML9092-02/03)
No.
Instruction
0 Key scan register read
Instruction Code
Fixed bit R/W
Register No.
Data
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4
1 1 1 0 0 0 0 0 ST2 ST1 ST0 0
Description
D3 D2 D1 D0
Reads scan read timing bits (ST0 to ST2) and key scan
S3 S2 S1 S0 data (S0 to S4) of the key scan register.
1 Display data RAM write
1 Display data RAM read
2 X address register set
3 Y address register set
4 Port register A set
8 Control register 1 set
9 Control register 2 set
A Rotary encoder read
B Contrast ADJ set
F
Test register set
11000
0
0
1
D7
D6
D5
D4
D3
D2
D1
D0
Writes display data (D0 to D7) in the display data RAM
after setting the X address of Y address.
11100
0
0
1
D7
D6
D5
D4
D3
D2
D1
D0
Reads display data (D0 to D7) from the display data RAM
after setting the X address of Y address.
11000 0 1 0 –
–
–
– X3 X2 X1 X0 Sets the X address (X0 to X3) of the display data RAM.
11000 0 1 1 –
–
–
– Y3 Y2 Y1 Y0 Sets the Y address (Y0 to Y3) of the display data RAM.
11000 1 0 0 –
–
–
–
–
–
– PTA0 Controls the output of the general-purpose port A (PTA0).
Sets the address increment X or Y direction (INC), display
11001
0
0
0 INC WLS KT
SHL
(BE)
PE
DTY1
DTY0
data word length (WLS), key scan time (KT), common
driver shift direction (SHL), voltage doubler control (BE)
(only applies to ML9092-02), port control (PE), and display
duty (DTY0, DTY1).
11001 0 0 1 0
0
0
0
0
0
(STB)
DISP
Sets or releases standby mode (only applies to ML9092-
03) and also sets display ON/OFF (DISP).
1 1 1 0 1 0 1 0 Q4 Q4 Q4 Q4 Q4 Q3 Q2 Q1 Reads the counter bits (Q1 to Q4) of the rotary encoder.
Sets contrast adjustment values with the contrast
11001 0 1 1 –
–
–
– CT3 CT2 CT1 CT0 adjustment bits (CT0 to CT3).
11001 1 1 1 –
–
–
T5
T4
T3
T2
T1
Test instruction exclusively used by manufacturer (T1 to
T5). Customers should 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 S3
: 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
INC
: Display data RAM address increment. 1: X direction, 0: Y direction
WLS
: Word length select bit
1: 6 bits, 0: 8 bits
KT
: Key scan period select bit
1: 10 ms, 0: 0.5 ms
SHL
: Common driver shift direction select bit
1: COM10COM1, 0: COM1COM10
BE (only applies to ML9092-02)
: Voltage doubler control bit
1: Voltage doubler enable
0: Voltage doubler disable
PE
DTY0, DTY1
: Port enable/disable select bit 1: All ports enable
0: All ports go into high impedance for output
: Display duty select bits (1/8, 1/9, 1/10)
STB (only applies to ML9092-03)
: Standby mode/normal mode select bit
1: Standby mode, 0: Normal mode
DISP
Q1 to Q4
CT0 to CT3
: Display ON/OFF select bit
1: Display ON, 0: Display OFF
: Rotary encoder switch count bits (2’s complement)
: Contrast adjustment bit
T1 to T5
: Bits for test instruction. Customers should not access these bits.
–
: Don’t Care
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