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ST72589BW датащи(PDF) 45 Page - STMicroelectronics

номер детали ST72589BW
подробное описание детали  8-BIT MCU WITH NESTED INTERRUPTS, DOT MATRIX LCD, ADC, TIMERS, PWM-BRM, SPI, SCI, I²C, CAN INTERFACES
PDF  158 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72589BW датащи(HTML) 45 Page - STMicroelectronics

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LCD DRIVER (Cont’d)
LCD RAM DESCRIPTION
The LCD RAM is located in the data space in one
page of 60 bytes. Each bit of the LCD RAM is
mapped to one dot of the LCD matrix. If a bit is set,
the corresponding LCD dot is switched on, else
the dot is switched off.
After reset, the LCD RAM is not initialized and con-
tains arbitrary information.
The bit position of the selected bit in the LCD RAM byte gives the common data. The segment data is giv-
en by the LCD RAM relative address.
Table 15. LCD Driver Register Map and Reset Values
LCD RAM Bit position
7
6
5
4
3
2
1
0
LCD Common
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
LCD RAM Relative address
00h
01h
02h
...................
39h
3Ah
3Bh
LCD Segment
S1
S2
S3
S58
S59
S60
Address
(Hex.)
Register
Label
7654
3210
0058h
LCDCR
Reset Value
DCS
00
CD1
0
CD0
0
LCDE
00
FS1
0
FS0
0
0480h
to
04BBh
LCDRAM
Reset Value
Seg X
Com8
X
Seg X
Com7
X
Seg X
Com6
X
Seg X
Com5
X
Seg X
Com4
X
Seg X
Com3
X
Seg X
Com2
X
Seg X
Com1
X



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