CY8C5246AXI-054 Cypress Semiconductor Corp, CY8C5246AXI-054 Datasheet - Page 67

• Manufacturer Part Number: CY8C5246AXI-054
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY8C5246AXI-054

• Lead Free Status / Rohs Status: Compliant

Document Number: 001-55034 Rev. *F
11.5.7 LCD Direct Drive
Table 11-26. LCD Direct Drive DC Specifications
Table 11-27. LCD Direct Drive AC Specifications
Icc
V
Icc
Icc
Icc
Icc
Icc
Icc
f
Notes
LCD
13. Additional conditions: All segments on; 2000 pF glass capacitance; Type A waveform; 32 Hz LCD refresh rate; Operating temperature = 25 °C; Boost converter not
14. This is the LCD system operating current when there is no LCD display. Connecting an actual LCD display increases the current consumption based on the size of
Parameter
Parameter
bias
LCD
LCD
LCD
LCD
LCD
LCD
used.
the LCD glass.
LCD operating current
LCD bias range (Vbias refers to the
main output voltage(V0) of LCD
DAC)
LCD bias step size
Iout (Output drive current per segment driver)
Icc per segment driver
Static (1 common)
LCD system operating current
LCD system operating current
1/4 duty (4 commons)
LCD system operating current
LCD system operating current
1/16 duty (16 commons)
LCD system operating current
LCD system operating current
LCD frame rate
LCD capacitance per
segment/common driver
Long term segment offset
Strong drive
Strong drive
Weak drive
Weak drive 2
No drive
Description
Description
PRELIMINARY
16x4 segment display at 50 Hz
V
V
Drivers may be combined.
Output current in Strong drive mode
for Vddio = 5.5 V
Vbias = 5 V
Number of LCD pins: 33 (32x1)
Number of segments: 32
Vbias = 3 V
Number of LCD pins: 33 (32x1)
Number of segments: 32
Vbias = 5 V
Number of LCD pins: 36 (32x4)
Number of segments: 128
Vbias = 3 V
Number of LCD pins: 36 (32x4)
Number of segments: 128
Vbias = 5 V
Number of LCD pins: 48 (32x16)
Number of segments: 512
Vbias = 3 V
Number of LCD pins: 48 (32x16)
Number of segments: 512
DDA
DDA
≥ 3 V and V
≥ 3 V and V
Conditions
Conditions
DDA
DDA
PSoC
≥ Vbias
≥ Vbias
[13]
[13]
[13]
[13]
[13]
[13]
®
5: CY8C52 Family Data Sheet
[14]
.
Min
528
220
Min
2
-
-
-
-
-
-
-
-
-
-
-
-
-
10
9.1 x V
Typ
500
260
<25
19
11
22
12
10
24
21
93
83
-
-
-
Typ
50
DDA
5000
Max
655
300
5.5
10
-
-
-
-
-
-
-
-
-
-
-
Max
150
Page 67 of 88
Units
mV
mV
Units
μ A
µA
µA
µA
µA
nA
µA
µA
µA
µA
µA
µA
pF
V
Hz
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