MSC1201-XX OKI electronic componets, MSC1201-XX Datasheet - Page 14

• Manufacturer Part Number: MSC1201-XX
• Description: 60-Bit VFD Tube Driver
• Manufacturer: OKI electronic componets

¡ Semiconductor
(2) GRID and SEG driver output timing when VK = "L" and in Digital Dimming Mode.
Notes: • The above indicates the timing for the digital dimming mode with the duty cycle of
(3) GRID and SEG driver output timings when VK = "L" and in PWM Conversion Mode
Notes: • The above indicates the GRID and SEG Drivers Timing when the PWM conversion
GRID1
GRID2
SEG1-30
GRID1
GRID2
SEG1-30
• The On-times for GRID and SEG are specified with the 11 bits of the digital dimming
• One bit time = 2/f
• One bit time = 4/f
Fig. 8 GRID and SEG Driver Output Timing (PWM conversion mode)
2032/2048 at V
data.
mode at VK = "L" level is selected.
Fig. 7 GRID and SEG Output Timing (digital dimming mode)
PARK
6-bit times
3-bit times
OSC
OSC
Max.
2038-bit times
Max.
2032-bit times
= "L" level.
1 Frame (2048-bit times)
Max.
256-bit times
Max.
259-bit times
= 1 ms typ.
= 2 ms typ.
f
FR
1 Frame (4096-bit times)
f
FR
10-bit times
8-bit times
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16-bit times
MSC1201-xx
14/20