DOCUMENT NO.
REV .NO PAGE
STANDARD
NAME
SPECIFICATION FOR APPROVAL
00 16/16
If a user wants to display above pattern then please make following procedures.
1. Power on
2. Wait more than 15ms after Vcc rise to 4.5V.
3. Function set (RS=0, Data =38h to assign 2-line display)
4. Display On (RS=0,Data =0Ch to assign Display On, Cursor off and Blinking off)
5. CG-RAM Address Set (RS = 0,Data = 00h to assign the first CG-RAM address)
6. CG-RAM Data Write-in (RS = 1,Data =10h + 00h + 00h + 10h + 18h + 00h + 00h)
7. CG-RAM Address Set (RS=0,Data=01h to assign the second CG-RAM address)
8. CG-RAM Data Write-in (RS = 1,Data = 00h + 00h + 04h + 00h + 00h + 08h + 01h + 00h)
9. DD-RAM Address Set (RS = 0,Data=80h to assign the Upper Icons which are located in G1)
10. CG-RAM data write-in on Upper Icon of G1 (RS=1, Data =00h)
11. DD-RAM Address Set (RS = 0,Data=C0h to assign the Lower Icons which are located in G1)
12. CG-RAM data write-in on Lower Icon of G1 (RS=1,Data=01h)
13. DD-RAM Address Set (RS = 0,DATA=81h to assign the Upper Line of G2)
14. CG-ROM data write-in (RS =1,Data = 38h + 82h + 87h +[16 CG-ROM codes] + E1H + 99h)
15. DD-RAM Address Set (RS = 0,DATA=C1h to assign the Lower Line of G2)
16. CG-ROM data write-in (RS =1,Data = 4Dh + FEh + BEh +[16 CG-ROM codes] + F1H + A8h)
8.OPERATING RECOMMENDATIONS
8.1 Avoid applying excessive shock or vibration beyond the specification for the VFD module.
8.2 Since VFDs are made of glass material, careful handling is required.
i.e. Direct impact with hard material to the glass surface (especially exhaust tip)may crack the glass.
8.3 When mounting the VFD module to your system, leave a slight gap between the VFD glass and your
front panel. The module should be mounted without stress to avoid flexing the PCB.
8.4 Avoid plugging or unplugging the interface connection with the power on, otherwise it m
ay cause the
severe damage to input circuitry.
8.5 Slow starting power supply may cause non-operation because one chip m
icom won’t be reset.
8.6 Exceeding any of maximum ratings may cause the permanent damage.
8.7 Since the VFD modules contain high voltage source, careful handling is required during pow
ered on.
8.8 when the power is turned off, the capacitor does not discharge immediately.
The high voltage applied to the VFD must not contact to the ICs. And the short-circuit of mounted
Components on PCB within 30 seconds after power-off may cause damage to those.
8.9 The power supply must be capable of providing at least 3 tim
es the rated current, because the surge
current can be more than 3 times the specified current consumption when the power is turned on.
8.10 Avoid using the module where excessive noise interference is expected. Noise may affect the interface
signal and causes improper operation. And it is important to keep the length of the interface cable less
than 50cm.
8.11 Since all VFD modules contain C-MOS ICs, anti-static handling procedures are alw
ays required.
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相关PDF资料
M0216MD-162MDBR2-J
MODULE VF CHAR 2X16 9.22MM
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