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Newhaven Display International
NHD-12032BZ
0 0 0 0 0 0 1
1
/ / / / / / /
/
1 0 0 1 1 1 1
4F
Read status
A0
E (RD)
R/W (/WR)
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
Busy ADC
On/off Reset A3 A2 A1 A0
Reading the command I/O register (A0=0)
yields system status information.
The busy bit indicates whether the
driver will accept a command or not.
Busy=1: the driver is current
ly executing a command or is resetting. No new command will be
accepted.
Busy=0: the driver will accept a new command.
The ADC bit indicates the way column addresses are assigned to segment drivers.
ADC=1 Normal. Column address n→
segment driver n.
ADC=0 Inverted. Column address 79 u→
segment driver u.
The ON/OFF bit indicates the current status of the display.
It is the inverse of the polarity of the display ON/OFF command.
ON/OFF=1: display off
ON/OFF=0: display on
The RESET bit indicates whether the driver is executing a hardware or software reset or if it is
in normal operating mode.
Reset=1: currently executing reset command.
Reset=0: normal operation
Write display data
A0
E (RD)
R/W (/WR)
D7
D6
D5
D4
D3
D2
D1
D0
1 1
0
Write data
Writes 8-bit of data into the display data RAM, at a location specified by the contents of the
column address and page address registers and then increments the column address register by
one.
Read display data
A0
E (RD)
R/W (/WR)
D7
D6
D5
D4
D3
D2
D1
D0
1 0
1
Read data
Reads 8-bit of data from the
data I/O latch, updates the contents of the I/O latch with display
data from the display data RAM location specified by the contents of the column address and
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相关PDF资料
NHD-12232AZ-FL-YBW LCD MOD GRAPH 122X32 Y/G TRANSFL
NHD-12232AZ-FSW-GBW LCD MOD GRAPH 122X32 WH TRANSFL
NHD-12232DZ-FSPG-GBW LCD MOD GRAPH 122X32 GRN TRANSFL
NHD-12232DZ-FSW-GBW LCD MOD GRAPH 122X32 WH TRANSFL
NHD-12232DZ-FSY-GBW LCD MOD GRAPH 122X32 Y/G TRANSFL
NHD-12232DZ-NSW-BBW LCD MOD GRAPH 122X32 WH TRANSM
NHD-12232KZ-NSW-BBW-P LCD MOD GRAPH 122X32 WH TRANSM
NHD-12232WG-EYYH-V#A LCD MOD GRAPH 122X32 Y/G TRANSFL
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