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S1C17602/621 lCD driver circuit current consumption
Unless otherwise specified: V
DD
PCKEN[1:0] = 0x0 (OFF), FLCYC[2:0] = 0x4 (1 cycle), CCLKGR[1:0] = 0x0 (gear ratio 1/1)
item
LCD circuit current with V
reference
C2
*1
voltage
Heavy load protection mode
LCD circuit current with V
reference
C2
*1
voltage
LCD circuit current with V
reference
C1
*1
voltage
Heavy load protection mode
LCD circuit current with V
reference
C1
*1
voltage
*1 This value is added to the current consumption in HALT mode or current consumption during execution when the LCD circuit is ac-
tive. Current consumption increases according to the display contents and panel load.
lCD current consumption-load characteristic
When a load is connected to the V
V
= 3.6V, Ta = 25°C, Typ. value
DD
29.10
a/D Converter Characteristics
analog characteristics
Unless otherwise specified: V
DD
item
Resolution
A/D conversion clock
*1
Sampling rate
Zero-scale error
Full-scale error
*2
Integral linearity error
Differential linearity error
Analog input resistance
Analog input capacitance
*1 Condition for Max. value: A/D converter clock frequency f
f
= 16kHz.
ADCLK
*2 Integral linearity error is measured at the end point line.
a/D converter current consumption
Unless otherwise specified: V
DD
A
= AV
/2V
IN
DD
item
A/D converter operating current
*1 This value is added to the current consumption in HALT mode (only when PCKEN[1:0] = 0x3 (ON)) or current consumption during
execution when the A/D converter is active.
S1C17624/604/622/602/621 TeChniCal Manual
= 1.8 to 3.6V, V
= 0V, Ta = 25°C, C
SS
Symbol
I
DSPC[1:0] = 0x1 (checker pattern),
LCD2
LC[3:0] = 0xf, OSC1 = 32kHz, V
to 3.6V, VCSEL = 1
I
DSPC[1:0] = 0x1 (checker pattern),
LCD2H
LC[3:0] = 0xf, OSC1 = 32kHz, V
to 3.6V, LHVLD = 1, VCSEL = 1
I
DSPC[1:0] = 0x1 (checker pattern),
LCD1
LC[3:0] = 0xf, OSC1 = 32kHz, V
to 3.6V, VCSEL = 0
I
DSPC[1:0] = 0x1 (checker pattern),
LCD1H
LC[3:0] = 0xf, OSC1 = 32kHz, V
to 3.6V, LHVLD = 1, VCSEL = 0
pin only
C3
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0
4
= AV
= 1.8 to 3.6V, V
= 0V, Ta = -25 to 70°C, ADST[2:0] = 0x7 (9 cycles)
DD
SS
Symbol
–
f
ADCLK
f
SMP
E
ZS
E
FS
E
AV
= 2.7 to 3.6 V
INL
DD
AV
= 1.8 to 3.6 V
DD
E
DNL
R
AIN
C
AIN
ADCLK
= AV
= 1.8 to 3.6V, V
= 0V, Ta = 25°C, ADST[2:0] = 0x7 (9 cycles), PCKEN[1:0] = 0x3 (ON),
DD
SS
Symbol
*1
I
V
= AV
= 3.6V, sampling rate = 100ksps
ADC
DD
DD
Seiko epson Corporation
29 eleCTRiCal ChaRaCTeRiSTiCS
–C
= 0.1µF, No LCD panel load,
2
5
Condition
= 2.5
DD
= 2.5
DD
= 1.8
DD
= 1.8
DD
VCSEL = 0
VCSEL = 1
8
12
16
20
-I
[µA]
VC3
Condition
= 2MHz. Condition for Min. value: A/D converter clock frequency
Condition
Min.
Typ.
Max.
1
3
21
32
1.5
5
13
20
Min.
Typ.
Max.
10
16
2000
0.8
100
±3
±3
±1.5
±2.0
±1.0
11
20
Min.
Typ.
Max.
200
350
unit
µA
µA
µA
µA
unit
bits
kHz
ksps
LSB
LSB
LSB
LSB
LSB
kW
pF
unit
µA
29-11
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