HT0313A Tomato LSI, Inc., HT0313A Datasheet - Page 41

• Manufacturer Part Number: HT0313A
• Description: 65COM/132SEG DRIVER & CONTROLLER FOR STN LCD
• Manufacturer: Tomato LSI, Inc.

HT0313A
TOMATO LSI Inc.
7-15. Reset
This instruction resets initial display line, column address, page address, and common output status select
to their initial status, but dose not affects the contents of DDRAM. This instruction can not initialize the LCD
power supply which is initialized by the /RESET pin.
7-16. SHL select
COM output scanning direction is selected by this instruction which determines the LCD driver output
status.
SHL = 0: normal direction (COM0
SHL = 1: reverse direction (COM63
7-17. Power control
Selects one of eight power circuit functions by using 3-bit register. An external power supply and part of
internal power supply functions can be used simultaneously.
RS
RS
RS
VC
0
1
0
0
0
RW
RW
RW
VR
0
1
0
0
0
65COM / 132SEG DRIVER & CONTROLLER FOR STN LCD
DB7
DB7
DB7
VF
0
1
1
1
0
41
Figure 7-4. Sequence for cursor display
DB6
DB6
DB6
1
1
0
COM63)
COM0)
DB5
DB5
DB5
1
0
1
Internal power supply circuits status
Voltage converter circuit is OFF
Voltage regulator circuit is OFF
Voltage converter circuit is ON
Voltage regulator circuit is ON
Voltage follower circuit is OFF
Voltage Follower circuit is ON
DB4
DB4
DB4
0
0
0
DB3
DB3
DB3
SHL
0
1
DB2
DB2
DB2
VC
0
X
Ver 0.0
X : Don’t care
DB1
DB1
DB1
VR
1
X
DB0
DB0
DB0
VF
X
0