Datasheet

Table 51. LCD electricals (continued)
Symbol Description Min. Typ. Max. Unit Notes
R
RBIAS
RBIAS resistor values
• LADJ = 10 or 11 — High load (LCD glass
capacitance ≤ 8000 pF)
• LADJ = 00 or 01 — Low load (LCD glass
capacitance ≤ 2000 pF)
—
—
0.28
2.98
—
—
MΩ
MΩ
VLL2 VLL2 voltage
• HREFSEL = 0
• HREFSEL = 1
2.0 − 5%
3.3 − 5%
2.0
3.3
—
—
V
V
VLL3 VLL3 voltage
• HREFSEL = 0
• HREFSEL = 1
3.0 − 5%
5 − 5%
3.0
5
—
—
V
V
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
7.1 Obtaining package dimensions
Package dimensions are provided in package drawings.
To find a package drawing, go to freescale.com and perform a keyword search for the
drawing’s document number:
If you want the drawing for this package Then use this document number
144-pin LQFP 98ASS23177W
144-pin MAPBGA 98ASA00222D
8 Pinout
Dimensions
K40 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
Freescale Semiconductor, Inc. 67