Z-World eDisplay OP7200, Руководство пользователя

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User’s Manual 121
0xA002 (Write)
1 = assert key scan line,
0 = deassert key scan line
/KB-S2
Keypad column 2
0xA003 (Write)
1 = assert key scan line,
0 = deassert key scan line
/KB-S3
Keypad column 3
0xA004 (Write)
1 = backlight on,
0 = backlight off
BKLT-ON
Backlight on/off control
0xA005 (Write)
1 = Xmit on, 0 = Xmit off
RS-485EN
RS-485 transmitter control
0xA006 (Write)
1 = buzzer on, 0 = buzzer off
ALARM
Buzzer on/off control
0xA007 (Write)
1 = assert LCD address A16,
0 = deassert LCD address A16
VA16
LCD address line A16
0xA008 (Write)
1 = assert X9013 chip select,
0 = deassert X9013 chip select
/CS
Contrast control chip select
0xA009 (Write)
1 = set X9013 to count up,
0 = set X9013 to count down
U_D
Contrast control count mode
0xA00A (Write) increment
X9013 counter when accessed,
data = don’t care
INC
Contrast control CLK line
0xA00B–0xA00F Reserved Not used
0xE000 (W/R)
command data byte
/PE7-LCDM-CS
SED1335 command register
0xE001 (W/R)
data register byte
/PE7-LCDM-CS
SED1335 data register
Table A-4. Display and Keypad I/O Addresses (continued)
External Address Signal Name Function