參數(shù)資料
型號: PIC18F442-E/ML
廠商: Microchip Technology
文件頁數(shù): 5/134頁
文件大小: 0K
描述: IC MCU FLASH 8KX16 EE A/D 44QFN
標(biāo)準(zhǔn)包裝: 45
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 34
程序存儲器容量: 16KB(8K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 768 x 8
電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 44-VQFN 裸露焊盤
包裝: 管件
PIC16C9XX
DS30444E - page 102
1997 Microchip Technology Inc.
13.6
Conguring the LCD Module
The following is the sequence of steps to follow to con-
gure the LCD module.
1.
Select the frame clock prescale using bits
LP3:LP0 (LCDPS<3:0>).
2.
Congure the appropriate pins to function as
segment drivers using the LCDSE register.
3.
Congure the LCD module for the following
using the LCDCON register.
- Multiplex mode and Bias, bits
LMUX1:LMUX0
- Timing source, bits CS1:CS0
- Voltage generation, bit VGEN
- Sleep mode, bit SLPEN
4.
Write initial values to pixel data registers,
LCDD00 through LCDD15.
5.
Clear LCD interrupt ag, LCDIF (PIR1<7>), and
if desired, enable the interrupt by setting bit
LCDIE (PIE1<7>).
6.
Enable the LCD module, by setting bit LCDEN
(LCDCON<7>).
TABLE 13-4: SUMMARY OF REGISTERS ASSOCIATED WITH THE LCD MODULE
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
Reset
Value on
all other
Resets
0Bh, 8Bh,
10Bh, 18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
0Ch
PIR1
LCDIF
ADIF(1)
SSPIF
CCP1IF
TMR2IF
TMR1IF
00-- 0000
8Ch
PIE1
LCDIE
ADIE(1)
SSPIE
CCP1IE
TMR2IE
TMR1IE
00-- 0000
10h
T1CON
T1CKPS1
T1CKPS0
T1OSCEN
T1SYNC
TMR1CS
TMR1ON
--00 0000
--uu uuuu
10Dh
LCDSE
SE29
SE27
SE20
SE16
SE12
SE9
SE5
SE0
1111 1111
10Eh
LCDPS
LP3
LP2
LP1
LP0
---- 0000
10Fh
LCDCON
LCDEN
SLPEN
VGEN
CS1
CS0
LMUX1
LMUX0
00-0 0000
110h
LCDD00
SEG07
COM0
SEG06
COM0
SEG05
COM0
SEG04
COM0
SEG03
COM0
SEG02
COM0
SEG01
COM0
SEG00
COM0
xxxx xxxx
uuuu uuuu
111h
LCDD01
SEG15
COM0
SEG14
COM0
SEG13
COM0
SEG12
COM0
SEG11
COM0
SEG10
COM0
SEG09
COM0
SEG08
COM0
xxxx xxxx
uuuu uuuu
112h
LCDD02
SEG23
COM0
SEG22
COM0
SEG21
COM0
SEG20
COM0
SEG19
COM0
SEG18
COM0
SEG17
COM0
SEG16
COM0
xxxx xxxx
uuuu uuuu
113h
LCDD03
SEG31
COM0
SEG30
COM0
SEG29
COM0
SEG28
COM0
SEG27
COM0
SEG26
COM0
SEG25
COM0
SEG24
COM0
xxxx xxxx
uuuu uuuu
114h
LCDD04
SEG07
COM1
SEG06
COM1
SEG05
COM1
SEG04
COM1
SEG03
COM1
SEG02
COM1
SEG01
COM1
SEG00
COM1
xxxx xxxx
uuuu uuuu
115h
LCDD05
SEG15
COM1
SEG14
COM1
SEG13
COM1
SEG12
COM1
SEG11
COM1
SEG10
COM1
SEG09
COM1
SEG08
COM1
xxxx xxxx
uuuu uuuu
116h
LCDD06
SEG23
COM1
SEG22
COM1
SEG21
COM1
SEG20
COM1
SEG19
COM1
SEG18
COM1
SEG17
COM1
SEG16
COM1
xxxx xxxx
uuuu uuuu
117h
LCDD07
SEG31
COM1(2)
SEG30
COM1
SEG29
COM1
SEG28
COM1
SEG27
COM1
SEG26
COM1
SEG25
COM1
SEG24
COM1
xxxx xxxx
uuuu uuuu
118h
LCDD08
SEG07
COM2
SEG06
COM2
SEG05
COM2
SEG04
COM2
SEG03
COM2
SEG02
COM2
SEG01
COM2
SEG00
COM2
xxxx xxxx
uuuu uuuu
119h
LCDD09
SEG15
COM2
SEG14
COM2
SEG13
COM2
SEG12
COM2
SEG11
COM2
SEG10
COM2
SEG09
COM2
SEG08
COM2
xxxx xxxx
uuuu uuuu
11Ah
LCDD10
SEG23
COM2
SEG22
COM2
SEG21
COM2
SEG20
COM2
SEG19
COM2
SEG18
COM2
SEG17
COM2
SEG16
COM2
xxxx xxxx
uuuu uuuu
11Bh
LCDD11
SEG31
COM2(2)
SEG30
COM2(2)
SEG29
COM2
SEG28
COM2
SEG27
COM2
SEG26
COM2
SEG25
COM2
SEG24
COM2
xxxx xxxx
uuuu uuuu
11Ch
LCDD12
SEG07
COM3
SEG06
COM3
SEG05
COM3
SEG04
COM3
SEG03
COM3
SEG02
COM3
SEG01
COM3
SEG00
COM3
xxxx xxxx
uuuu uuuu
11Dh
LCDD13
SEG15
COM3
SEG14
COM3
SEG13
COM3
SEG12
COM3
SEG11
COM3
SEG10
COM3
SEG09
COM3
SEG08
COM3
xxxx xxxx
uuuu uuuu
11Eh
LCDD14
SEG23
COM3
SEG22
COM3
SEG21
COM3
SEG20
COM3
SEG19
COM3
SEG18
COM3
SEG17
COM3
SEG16
COM3
xxxx xxxx
uuuu uuuu
11Fh
LCDD15
SEG31
COM3(2)
SEG30
COM3(2)
SEG29
COM3(2)
SEG28
COM3
SEG27
COM3
SEG26
COM3
SEG25
COM3
SEG24
COM3
xxxx xxxx
uuuu uuuu
Legend:
x
= unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by the LCD Module.
Note
1: These bits are reserved on the PIC16C923, always maintain these bits clear.
2: These pixels do not display, but can be used as general purpose RAM.
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