S912XHY128F0VLM Datasheet, PDF (562/802 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

Liquid Crystal Display (LCD40F4BV2) Block Description
17.4.4.2 1/2 Duty Multiplexed with 1/2 Bias Mode
Duty = 1/2:DUTY1 = 1, DUTY0 = 0
Bias = 1/2:BIAS = 0
V₀ = VSSX, V₁ = V₂ = VLCD * 1/2, V₃ = VLCD
- BP2 and BP3 are not used, a maximum of 80 segments are displayed.
1 Frame
BP0
BP1
FPx (xx10)
FPy (xx00)
FPz (xx11)
BP0-FPx (OFF)
BP1-FPx (ON)
BP0-FPy (OFF)
BP0-FPz (ON)
Figure 17-11. 1/2 Duty and 1/2 Bias
VLCD
VLCD × 1/2
VSSX
VLCD
VLCD × 1/2
VSSX
VLCD
VLCD × 1/2
VSSX
VLCD
VLCD × 1/2
VSSX
VLCD
VLCD × 1/2
VSSX
+VLCD
+VLCD × 1/2
0
-VLCD × 1/2
-VLCD
+VLCD
+VLCD × 1/2
0
-VLCD × 1/2
-VLCD
+VLCD
+VLCD × 1/2
0
-VLCD × 1/2
-VLCD
+VLCD
+VLCD × 1/2
0
-VLCD × 1/2
-VLCD
MC9S12XHY-Family Reference Manual, Rev. 1.01
562
Freescale Semiconductor