Datasheet

Appendix A Electrical Characteristics
MC9S08LC60 Series Data Sheet: Technical Data, Rev. 4
338 Freescale Semiconductor
Table A-10. LCD Electricals, 5 V Glass
Characteristic Symbol Min Typ Max Unit
LCD Supply Voltage V
LCD
0.9 — 1.8 V
LCD Frame Frequency f
Rame
25 30 100 Hz
LCD Charge Pump Capacitance C
LCD
100 100 433 nF
LCD Bypass Capacitance C
BYLCD
100 100 433 nF
LCD Current Consumption
V
LL2
connect to V
DD;
V
DD
= 3.3 V
all segments off, all FP enabled I
segoff
— 0.2 — μA
half of segments on I
seghalf
— 0.95 — μA
all segments on I
segallon
— 0.67 — μA
LCD Current Consumption
Trippler Buffered Mode; V
DD
= 3 V, V
LCD
= 1.667 V
all segments off, all FP enabled I
segoff
— 3.1 — μA
half of segments on I
seghalf
— 4.2 — μA
all segments on I
segallon
— 3.6 — μA
LCD Current Consumption
Trippler Bypassed Mode; V
DD
= 3 V, V
LCD
= 1.667 V
all segments off, all FP enabled I
segoff
— 0.1 — μA
half of segments on I
seghalf
— 0.1 — μA
all segments on I
segallon
— 0.1 — μA
Note: Current consumption data based on using the external 32-kHz oscillator with LCD configured
using the low-power wave forms option, a 1/4 duty, and a 32-Hz frame frequency. C
LCD
=C
BYLCD
= 100 nF; 160 segment 2000 pF LCD panel.