IBM MiEM78P468L Product Specification page 46

EM78P468N/EM78P468L
8-Bit Microcontroller
1 frame
COM 0
COM 1
COM 2
SEG N
SEG N - COM0
ON
SEG N - COM1
OFF
1/3 bias, 1/3 duty
A type
1 frame
COM 0
COM 1
COM 2
SEG N
SEG N -
COM0
ON
SEG N -
COM1
OFF
1/3 bias, 1/4 duty
A type
40 •
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
SEG N - COM0
VLCD3
GND
-VLCD3
-VDD
VDD
VLCD3 SEG N - COM1
GND
-VLCD3
-VDD
Fig. 6-18 LCD Waveform for 1/3 Bias, 1/3 Duty
VDD
VLCD2
COM 0
VLCD3
GND
VDD
VLCD2
COM 1
VLCD3
GND
VDD
VLCD2 COM 2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
SEG N -
VLCD3
GND
-VLCD3
-VDD
VDD
SEG N -
VLCD3
GND
-VLCD3
-VDD
Fig. 6-19 LCD Waveform for 1/3 Bias, 1/4 Duty
(This specification is subject to change without further notice)
1 frame
COM 0
COM 1
COM 2
SEG N
ON
OFF
1/3 bias, 1/3 duty
B type
1 frame
SEG N
COM0
ON
COM1
OFF
1/3 bias, 1/4 duty
B type
Product Specification (V1.5) 02.15.2007
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD3
GND
-VLCD3
-VDD
VDD
VLCD3
GND
-VLCD3
-VDD
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD2
VLCD3
GND
VDD
VLCD3
GND
-VLCD3
-VDD
VDD
VLCD3
GND
-VLCD3
-VDD