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AY0438L PDF预览

AY0438L

更新时间: 2024-01-03 17:37:59
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动器
页数 文件大小 规格书
11页 84K
描述
32-Segment CMOS LCD Driver

AY0438L 技术参数

是否无铅: 不含铅生命周期:Active
包装说明:QCCJ,Reach Compliance Code:compliant
Factory Lead Time:5 weeks风险等级:1.95
数据输入模式:SERIAL显示模式:SEGMENT
接口集成电路类型:LIQUID CRYSTAL DISPLAY DRIVERJESD-30 代码:S-PQCC-J44
复用显示功能:NO功能数量:1
区段数:32端子数量:44
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装形状:SQUARE封装形式:CHIP CARRIER
最大供电电压:8.5 V最小供电电压:3 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:J BEND端子位置:QUAD
最小 fmax:1.5 MHzBase Number Matches:1

AY0438L 数据手册

 浏览型号AY0438L的Datasheet PDF文件第2页浏览型号AY0438L的Datasheet PDF文件第3页浏览型号AY0438L的Datasheet PDF文件第4页浏览型号AY0438L的Datasheet PDF文件第6页浏览型号AY0438L的Datasheet PDF文件第7页浏览型号AY0438L的Datasheet PDF文件第8页 
AY0438  
;The DP are not connected, but can be connected to seg8, 16, 24 & 32.  
;For each digit, the segments are connected as:  
;
;
;
;
;
;
;
Seg A --> seg(8*n + 1)  
Seg B --> seg(8*n + 2)  
Seg C --> seg(8*n + 3)  
Seg D --> seg(8*n + 4)  
Seg E --> seg(8*n + 5)  
Seg F --> seg(8*n + 6)  
Seg G --> seg(8*n + 7)  
;where n = 0, 1, 2 and 3 for MSD, 3rdSD, 2ndSD and LSD respectively.  
;The firmware uses the values in registers:  
;
MSD, THRDSD, SCNDSD and LSD  
to determine the values to be  
;pulsed to the AY0438.  
;In this example, a pushbutton connected to PORTB bit 7  
;is checked periodically to see if it has been pressed. If so,  
;the LCD values in locations MSD to LSD are updated.  
;*************************************************************************  
list p=16c71,f=inhx8m  
;
;
MSD  
THRDSD equ  
SCNDSD equ  
equ  
0x20  
0x21  
0x22  
0x23  
0x24  
0x25  
0x06  
PORTB,0  
LSD  
equ  
equ  
equ  
equ  
count  
temp  
PORTB  
#define CLK  
#define DATAIN PORTB,1  
#define LOAD PORTB,2  
#define UPDATELCD PORTB,7  
w
equ  
0
STATUS equ  
0x03  
0
5
C
equ  
equ  
RP0  
OPTION equ  
0x81  
7
0x02  
0x0A  
RBPU  
PCL  
equ  
equ  
PCLATH equ  
;
;
org  
goto  
org  
;
0
start  
0x10  
;This DecodeValue table must reside in page 0 for this program to work  
;
DecodeValue  
addwf  
retlw  
retlw  
retlw  
retlw  
retlw  
retlw  
PCL  
B'00111111'  
B'00000110'  
B'01011011'  
B'01001111'  
B'01100110'  
B'01101101'  
;decode for 0  
;decode for 1  
;decode for 2  
;decode for 3  
;decode for 4  
;decode for 5  
1995 Microchip Technology Inc.  
DS70010I-page 5  

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