tl0324s Newhaven Display International, Inc, tl0324s Datasheet - Page 27

• Manufacturer Part Number: tl0324s
• Description: 65com / 132seg Driver & Controller For Stn Lcd
• Manufacturer: Newhaven Display International, Inc

Setting /RESET to “L” or reset instruction can initialize internal function.
When /RESET becomes “L”, following procedure is occurred.
Display ON / OFF: OFF (DON = 0).
Entire display ON / OFF: OFF (normal = 0).
ADC select: OFF (normal = 0)
Reverse display ON / OFF: OFF (normal = 0).
Power control register (VC, VR, VF) = (0, 0, 0)
Serial interface internal register data clear
LCD power supply bias ratio: bias bit 0
(Refer to LCD bias select of instruction table and duty ratio by DSEL1, DSEL0 pin setting)
On-chip oscillator OFF (while /RESET is “L”)
Power save release
Set modify-read: OFF
SHL select: OFF (normal = 0).
Static indicator mode: OFF.
Static indicator register: (S1, S0) = (0, 0)
Display start line: 0 (first)
Column address: 0.
Page address: 0
Select Regulator Resistor register: (R2, R1, R0) = (1, 0, 0)
Reference voltage set: OFF
Reference voltage control register: (SV5, SV4, SV3, SV2, SV1, SV0) = (1, 0, 0, 0, 0, 0)
Test mode release
When RESET instruction is issued, following procedure is occurred.
Set modify-read: OFF
Static indicator mode: OFF
Static indicator register: (S1, S0) = (0, 0)
SHL select: OFF (normal = 0)
Display start line: 0 (first)
Column address: 0
Page address: 0
Select Regulator Resistor register: (R2, R1, R0) = (1, 0, 0)
Reference voltage set: OFF
Reference voltage control register: (SV5, SV4, SV3, SV2, SV1, SV0) = (1, 0, 0, 0, 0, 0)
Test mode release
While /RESET is “L”, or Reset instruction is executed, no instruction except read status can be accepted.
Reset status appears at DB4.
After DB4 becomes “L”, any instruction can be accepted.
/RESET must be connected to the reset pin of the MPU, and initialize the MPU and this LSI at the same time.
The initialization by /RESET is essential before used.
5-7. RESET CIRCUIT
TOMATO LSI Inc.
TL0324S
Duty ratio
1/33
1/49
1/55
1/65
DSEL1
0
0
1
1
DSEL0
0
1
0
1
Bias = 0
1/6
1/8
1/8
1/9
Liquid crystal bias
27
65COM / 132SEG DRIVER & CONTROLLER FOR STN LCD
Bias = 1
1/5
1/6
1/6
1/7
Ver 0.1