K40P81M100SF2_11 Datasheet, PDF (55/63 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz

Table 44. LCD electricals (continued)
Symbol
—
Description
V_IREG ripple
• HREFSEL = 0
• HREFSEL = 1
Min.
—
—
Typ.
—
—
Max.
30
50
I_VIREG
I_RBIAS
V_IREG current adder — RVEN = 1
RBIAS current adder
• HREFSEL = 0
• HREFSEL = 1
—
1
—
—
10
—
—
1
—
R_RBIAS RBIAS resistor values
• LADJ = 00 or 01 — Low load (LCD glass
—
0.28
—
capacitance ≤ 2000 pF)
• LADJ = 10 or 11 — High load (LCD glass
capacitance ≤ 8000 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
—
1. The actual value used could vary with tolerance.
2. V_IREG maximum should never be externally driven to any level other than V_DD - 0.15 V
3. 2000 pF load LCD, 32 Hz frame frequency
Dimensions
Unit
Notes
mV
mV
µA
3
3
µA
µA
MΩ
MΩ
V
V
V
V
7 Dimensions
7.1 Obtaining package dimensions
Package dimensions are provided in package drawings.
To find a package drawing, go to http://www.freescale.com and perform a keyword
search for the drawing’s document number:
If you want the drawing for this package
80-pin LQFP
81-pin MAPBGA
Then use this document number
98ASS23174W
98ASA10631D
K40 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
55