13. Dot Matrix LCD Controller (H8/3857 Group)
Rev.3.00 Jul. 19, 2007 page 347 of 532
REJ09B0397-0300
Table 13.6 Pin Functions According to Display Mode and Display Duty
Function
SOB = 0 (Character Display Mode)
SOB = 1 (Graphic Display Mode)
Pin Name
1/8 Duty
1/16 Duty 1/32 Duty 1/8
Duty 1/16
Duty 1/32
Duty
COM1 to COM8
COM1 to COM8 COM1 to
COM16
COM1 to
COM16
COM1 to
COM8
COM1 to
COM16
COM1 to
COM16
COM9/SEG64 to
COM16/SEG57
Common signal
non-selection
waveform
SEG64
to
SEG57
SEG1 to SEG40
SEG1 to SEG40 SEG1 to
SEG40
SEG1 to
SEG40
SEG1 to
SEG56
SEG1 to
SEG56
SEG1 to
SEG40
COM32/SEG41 to
COM25/SEG48
Common signal
non-selection
waveform
COM16 to
COM1
COM32 to
COM17
COM32
to
COM17
COM24/SEG49 to
COM17/SEG56
COM8
to
COM1
13.3.4
Display Memory Configuration and Display
The LCD controller includes 64
×
32-bit bit-mapped display memory. As the display memory
configuration, a 5-bit
×
8 or 8-bit
×
n (n = 5, 7, or 8) X-direction combination can be selected,
while the Y-direction configuration is 32 bits. Display data written from the CPU is stored
horizontally with the MSB at the left and the LSB at the right, as shown in figure 13.4. On the
display, 1 data corresponds to illumination (black), and 0 data to non-illumination (colorless).
Summary of Contents for F-ZTAT H8 Series
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