msm9201-01 Oki Semiconductor, msm9201-01 Datasheet - Page 25

• Manufacturer Part Number: msm9201-01
• Description: Fluorescent Display Tube Controller Driver
• Manufacturer: Oki Semiconductor

¡ Semiconductor
[COM positions and ADRAM addresses]
4. General output port set
[Command format]
[Set data and set state of general output port]
1st byte
Pn
level this output becomes the V
potential.
0
1
(specifies the general output port status)
The general output port is an output for 4-bit static operation.
It is used to control other I/O devices and turn on LED. (Static operation.)
The fluorescent display tube cannot be driven by this output port, because when at the "High"
HEX X0
Display state of general output port
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
LSB
P1-P4 : general output ports
B0 B1 B2 B3 B4 B5 B6 B7
P1 P2 P3 P4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Sets P1-P4 to High
Sets P1-P4 to Low
* : don't care
X1 X2 X3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
*
X4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
COM position
DD
0
voltage and when at the "Low" level it becomes the ground
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
MSB
1
(The state when power is applied or when RESET is input)
: selects general output port and specifies
the output status.
HEX X0
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
X1 X2 X3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
X4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
COM position
COM17
COM18
COM19
COM20
COM21
COM22
COM23
COM24
PEDL9201-03
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MSM9201-01
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