User's Manual

PRELIMINARY
CYBLE-224110-00
Document Number: 002-11264 Rev. *A Page 25 of 43
LCD Direct Drive
Table 30. PWM AC Specifications
Parameter Description Min Typ Max Unit Details/Conditions
T
PWMFREQ
Operating frequency F
CLK
–48MHz –
T
PWMPWINT
Pulse width (internal) 2 × T
CLK
––ns –
T
PWMEXT
Pulse width (external) 2 × T
CLK
––ns –
T
PWMKILLINT
Kill pulse width (internal) 2 × T
CLK
––ns –
T
PWMKILLEXT
Kill pulse width (external) 2 × T
CLK
––ns –
T
PWMEINT
Enable pulse width (internal) 2 × T
CLK
––ns –
T
PWMENEXT
Enable pulse width (external) 2 × T
CLK
––ns –
T
PWMRESWINT
Reset pulse width (internal) 2 × T
CLK
––ns –
T
PWMRESWEXT
Reset pulse width (external) 2 × T
CLK
––ns –
Table 31. LCD Direct Drive DC Specifications
Spec ID Parameter Description Min Typ Max Unit Details/Conditions
SID228 I
LCDLOW
Operating current in low-power mode – 17.5 – µA
16 × 4 small segment
display at 50 Hz
SID229 C
LCDCAP
LCD capacitance per segment/common
driver
– 500 5000 pF –
SID230 LCD
OFFSET
Long-term segment offset – 20 – mV –
SID231 I
LCDOP1
LCD system operating current
V
BIAS
= 5V
–2–mA
32 × 4 segments.
50 Hz at 25 °C
SID232 I
LCDOP2
LCD system operating current
V
BIAS
= 3.3V
–2–mA
32 × 4 segments
50 Hz at 25 °C
Table 32. LCD Direct Drive AC Specifications
Spec ID Parameter Description Min Typ Max Unit Details/Conditions
SID233 F
LCD
LCD frame rate 10 50 150 Hz –