EM78860 查看數據表（PDF） - ELAN Microelectronics
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EM78860 Datasheet PDF : 25 Pages
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EM78860
8-BIT MICRO-CONTROLLER
COM0 COM1 COM2 COM3 COM4 COM5 COM6 COM7 COM8
1/8 o
o
o
o
o
o
o
o
x
1/16 o
o
o
o
o
o
o
o
o
.. COM15
..
x
..
o
x:open,o:select
• SEG signal: The 60 segment signal pins are connected to the corresponding display RAM address 00h to 3Bh.
The high byte and the low byte bit7 down to bit0 are correlated to COM15 to COM0 respectively .
When a bit of display RAM is 1, a select signal is sent to the corresponding segment pin, and when the bit is
0 , a non-select signal is sent to the corresponding segment pin.
• COM, SEG and Select/Non-select signal is shown as following:
frame
com0 ... com7
com0
com1
com2
seg
dark
seg
light
Fig.14 Lcd wave 1/4 bias, 1/8 duty
* This specification are subject to be changed without notice.
VDD
V1
V2
V3
VLCD
VDD
V1
V2
V3
VLCD
VDD
V1
V2
V3
VLCD
VDD
V1
V2
V3
VLCD
VDD
V1
V2
V3
VLCD
6.24.1998 20
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