参数资料
型号: M38D59GC-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件页数: 94/142页
文件大小: 2004K
代理商: M38D59GC-XXXFP
Rev.3.04
May 20, 2008
Page 55 of 134
REJ03B0158-0304
38D5 Group
LCD Display RAM
The 36-byte area of address 084016 to 086316 is the designated
RAM for the LCD display. When “1” is written to these
addresses, the corresponding segments of the LCD display panel
are turned on.
The LCDCK timing frequency (LCD drive timing) is generated
internally and the frame frequency can be determined with the
following equation;
f(LCDCK)=
Frame frequency=
<Notes>
(1) Executing STP Instruction
Executing the STP instruction sets the LCD enable bit (bit 4 of
LCD mode register1 (address 001316)) to “0” and the LCD panel
turns off. To turn the LCD panel on after returning from stop
mode, set the LCD enable bit to “1”.
(2) VL3 Pin
To use the LCD drive control circuit while VL3 is set to the
voltage equal to VCC, apply the VCC voltage to the VL3 pin and
write “1” to the VL3 connection bit (bit 1 of LCD mode register 2
(address 001416)).
Fig. 46 LCD display RAM map
(frequency of count source for LCDCK)
(divider division ratio for LCD)
f(LCDCK)
duty ratio
Bits
Address
084016
084116
084216
084316
084416
084516
084616
084716
084816
084916
084A16
084B16
084C16
084D16
084E16
084F16
085016
085116
085216
085316
085416
085516
085616
085716
085816
085916
085A16
085B16
085C16
085D16
085E16
085F16
086016
086116
086216
086316
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
76
54
32
10
COM3 COM2 COM1 COM0
Bits
Address
084016
084116
084216
084316
084416
084516
084616
084716
084816
084916
084A16
084B16
084C16
084D16
084E16
084F16
085016
085116
085216
085316
085416
085516
085616
085716
085816
085916
085A16
085B16
085C16
085D16
085E16
085F16
086016
086116
086216
086316
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
7
6
54
32
10
COM3 COM2 COM1 COM0
COM7 COM6 COM5 COM4
Not used
(This area can be used as normal RAM.)
Not used
(This area can be used
as normal RAM.)
at 4COM
× 36SEG
at 8COM
× 32SEG
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