MSC1215-XX OKI [OKI electronic componets], MSC1215-XX Datasheet - Page 14

• Manufacturer Part Number: MSC1215-XX
• Description: 17 x 2 Duplex Driver with Dimming, Keyscan and A/D Converter Function
• Manufacturer: OKI [OKI electronic componets]

¡ Semiconductor
Functional Flowchart
Note: 1. When power supply turns on, the internal circuits are initialized as follows by the
2. The status of the internal circuit after serial 2 CS pulses were applied, are as follows.
*2
2CS Pulses
built-in power-on reset circuit.
• Display data input mode is selected
• All segment outputs are in OFF state ("L")
• All internal registers and latches are set to "0" level
• Display data input mode is selected
• The other status are the same as before the serial 2CS pulses were applied.
A/D Data Output Mode
(Power-on Reset)
Keyscan Data
Output Mode
Display Data
POWER-ON
Input Mode
CS="H"
CS="H"
CS="H"
*1
Dispaly Data Input
Test Data Input
Input Total
Keyscan Data Output
A/D Data Output
(12 bits)
(36 Bit)
(34 bits)
(37 bits)
(3 bits)
CS="L"
CS="L"
CS="L"
MSC1215-xx
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