ra8835 Topway Display, ra8835 Datasheet - Page 18

• Manufacturer Part Number: ra8835
• Description: Dot Matrix Lcd Controller
• Manufacturer: Topway Display

RAiO TECHNOLOGY INC.
Version 1.7
6-2-2 SLEEP IN
If W/S is set to 1, selecting two-screen display, the number of lines must be even and L/F must,
therefore, be an odd number.
6-2-1-13 AP
Define the horizontal address range of the virtual screen. APL is the least significant byte of the
address.
Place the system in standby mode. This command has no parameter bytes. At least one blank
frame after receiving this command, the RA8835 halts all internal operations, including the
oscillator, and enters the sleep state.
Blank data is sent to the X-drivers, and the Y-drivers have their bias supplies turned off by the
APH
APL
AP15 AP14 AP13 AP12 AP11 AP10 AP9 AP8
AP7 AP6 AP5 AP4 AP3 AP2 AP1 AP0
0
0
↓
0
↓
F
F
Figure 6-8: AP and C/R Relationship
Table-8: Horizontal Address Range
APH
Hex code
Figure 6-7: AP Parameters
0
0
0
F
F
↓
↓
Display memory limit
C/R
F
F
0
0
↓
5
↓
APL
18/86
AP
0
1
0
E
F
↓
↓
Display area
[AP] addresses
per line
2
2
16
16
80
0
1
↓
↓
– 2
– 1
Dot Matrix LCD Controller
www.raio.com.tw
RA8835