CHAPTER 28:LCD Controller
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
1073
7.2.
How to Set VRAM?
This section shows how to set VRAM.
<Duty drive>
The matrix of pins and bit locations of VRAM (n) is shown below. (n = 0 to 15)
1/2 Duty
Pin
COM1
COM0
SEG 2n
bit1
bit0
SEG 2n+1
bit5
bit4
1/3 Duty
Pin
COM2
COM1
COM0
SEG 2n
bit2
bit1
bit0
SEG 2n+1
bit6
bit5
bit4
1/4 Duty
Pin
COM3
COM2
COM1
COM0
SEG 2n
bit3
bit2
bit1
bit0
SEG 2n+1
bit7
bit6
bit5
bit4
(Non-selection waveforms are output from irrelevant pins.)
Example: 1/4 duty
When the bit6 of VRAMn is set to "1", the selection waveform is output from the SEGn+1 of COM2.
For bits with "0"setting, non-selection waveforms are output to pins.
Содержание S6J3200 Series
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