4.4.1 LCD display control1
These are input signals from HMOP for using LCD display control.
Address bit7 bit6 Bit5 bit4 bit3 bit2 bit1 Bit0
X+6 (Reserved) (Reserved)(Reserved) (Reserved) LCDER2 LCDER1 LCDER0 ACKLCD
Bit 0: LCD display acknowledgement
0 Waiting for the LCD display request.
1 acknowledging the LCD display request
Bit 1 to 3: Error status of the LCD display
Bit3 Bit2 Bit1
LCDER2 LCDER1 LCDER0
No error occurred.
Specified figure number to display the numeric
variable on LCD is illegal.
Specified length(byte number) of numeric
variable data is invalid.
- Over 9 or 0.
- When the numeric type is 3(Custom macro variable),
the length is not 6.
Number of the characters which is needed to
express numeric variable including a sign and a
decimal point was over the number of specified
figure to display on the LCD.
Binary data is illegal
1 BCD data is illegal.
Custom macro variable data (Mantissa
4bytes+exponent 2bytes) is illegal.
System error occurred.
4.4.2 LCD display control2
These are output signals to HMOP for using LCD display control.
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Y+4 (Reserved) (Reserved) (Reserved) (Reserved) (Reserved)(Reserved) REQDSP SELLN
Bit 0: Selecting the line to display characters on LCD
0 1st(upper) line is selected.
1 2nd(lower) line is selected.
02 2001.8.20 Hanaoka This page is added.