SN32F760 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 190
Version 2.0
shall be set as “1”, and VLCD3 shall also be connected to VLCD1 with PCB layout.
Note: V2 voltage is charge-pump output voltage.
16.7.1 4C-TYPE
Note:
1. Charge-pump voltage for VLCD is 2.7V~5.0V
2. In 1/2 bias condition, VDD shall be larger than V3.
3. In 1/3 bias condition, VDD shall be larger than V3-0.3V if VLCD > 3.6V
4. Connect a 0.1uF or 0.47uF capacitor between CL+ and CL- pins. Users can adjust the capacitor
value depend on the LCD panel size.
5. The 0.1uF capacitors of VLCD1/V3/V2 pins are necessary for power stable. Users can adjust the
capacitor value depend on the LCD panel size. Besides, please put close to VLCD1/V3/V2 pins.
1/3Bias (V3= 2/3*VLCD, V2 = 1/3*VLCD)
1/2Bias (V3 = V2 = 1/2*VLCD)
SEG1SEL = 0
SEG2SEL = 0
MCU
VLCD1
VDD
SEG0~11
VDD
V3
CL+
CL-
0.1uF
V2
0.1uF
0.1uF
0.1uF
LCD Panel
MCU
VLCD1
VDD
SEG0~11
VDD
V3
CL+
CL-
0.1uF
V2
0.1uF
0.1uF
LCD Panel
Содержание SN32F755
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