ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 74

• Manufacturer Part Number: ATXMEGA128B3-AU
• Description: 8/16-bit Atmel XMEGA B3 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

36.6
Table 36-8.
Notes:
36.7
Table 36-9.
8074B–AVR–02/12
Contrast
Symbol
BIAS2
BIAS1
Symbol
C
COM
f
R
SEG
R
V
R
C
Frame
AV
V
Flying
COM
LCD
SEG
Vin
Vin
Vin
R
C
ΔV
AREF
AREF
REF
in
in
CC
Liquid Crystal Display characteristics
1. Applies to Static and 1/3 bias
ADC characteristics
Parameter
Segment Terminal Pins
Common Terminal Pins
LCD Frame Frequency
Flying Capacitor
Contrast Adjustement
LCD Regulated Voltages
Common Output Impedance
Segment Output Impedance
Parameter
Analog supply voltage
Reference voltage
Input resistance
Input capacitance
Reference input resistance
Reference input capacitance
Input range
Conversion range
Conversion range
Fixed offset voltage
Liquid Crystal Display characteristics
Power supply, reference and input range.
Switched
Switched
(leakage only)
Static load
Differential mode, Vinp - Vinn
Single ended unsigned mode, Vinp
Condition
F(clk
C
0.1µF on V
BIAS1 pins
COM0 to COM3
SEG0 to SEG39
Flying
LCD
= 0.1µF
)=32.768kHz
LCD
Condition
, BIAS2 and
(1)
(1)
V
-V
CC
Min.
31.25
-ΔV
0.25
Min
-0.5
1
0
REF
- 0.3
0
0
2
2*V
Typ.
>10
200
V
7
Typ
100
LCD
0.5
3
LCD
4
0
/3
/3
XMEGA B3
V
AV
V
CC
Max.
V
V
REF
CC
4.5
REF
REF
Max
+ 0.3
5
512
0.5
-
40
-ΔV
4
1
8
0.6
Units
Units
MΩ
kΩ
lsb
pF
pF
kΩ
Hz
nF
V
V
V
74