K30P121M100SF2V2 Datasheet, PDF (60/67 Pages) Freescale Semiconductor, Inc – K30 Sub-Family

Dimensions
Table 48. LCD electricals (continued)
Symbol
V_IREG
Description
V_IREG
• HREFSEL=0, RVTRIM=1111
• HREFSEL=0, RVTRIM=1000
• HREFSEL=0, RVTRIM=0000
Min.
—
—
—
Typ.
1.11
1.01
0.91
Max.
—
—
—
• HREFSEL=1, RVTRIM=1111
• HREFSEL=1, RVTRIM=1000
• HREFSEL=1, RVTRIM=0000
—
1.84
—
—
1.69
—
—
1.54
—
Δ_RTRIM
—
V_IREG TRIM resolution
V_IREG ripple
• HREFSEL = 0
• HREFSEL = 1
—
—
3.0
—
—
30
—
—
50
I_VIREG V_IREG current adder — RVEN = 1
—
1
—
I_RBIAS RBIAS current adder
—
10
—
• LADJ = 10 or 11 — High load (LCD glass
capacitance ≤ 8000 pF)
—
1
—
• LADJ = 00 or 01 — Low load (LCD glass
capacitance ≤ 2000 pF)
R_RBIAS RBIAS resistor values
• LADJ = 10 or 11 — High load (LCD glass
—
0.28
—
capacitance ≤ 8000 pF)
• LADJ = 00 or 01 — Low load (LCD glass
capacitance ≤ 2000 pF)
—
2.98
—
VLL2
VLL2 voltage
• HREFSEL = 0
• HREFSEL = 1
2.0 − 5%
2.0
—
3.3 − 5%
3.3
—
VLL3
VLL3 voltage
• HREFSEL = 0
• HREFSEL = 1
3.0 − 5%
3.0
—
5 − 5%
5
—
Unit
V
V
V
V
V
V
% V_IREG
mV
mV
µA
µA
µA
MΩ
MΩ
V
V
V
V
Notes
3
4
1. The actual value used could vary with tolerance.
2. For highest glass capacitance values, LCD_GCR[LADJ] should be configured as specified in the LCD Controller chapter
within the device's reference manual.
3. V_IREG maximum should never be externally driven to any level other than V_DD - 0.15 V
4. 2000 pF load LCD, 32 Hz frame frequency
7 Dimensions
K30 Sub-Family Data Sheet, Rev. 1, 6/2012.
60
Preliminary
Freescale Semiconductor, Inc.
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