參數(shù)資料
型號(hào): MC68HC08LT8CFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, ROHS COMPLIANT, MS-026BCB, LQFP-44
文件頁數(shù): 143/156頁
文件大?。?/td> 1107K
代理商: MC68HC08LT8CFGE
Seven Segment Display Connection
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
87
Figure 8-13. BP0–BP2 and FP0–FP2 Output Waveforms for 7-Segment Display Example
The voltage waveform across the "f" segment of the LCD (between BP1 and FP0) is illustrated in
Figure 8-14. As shown in the waveform, the voltage peaks reach the LCD-ON voltage, VLCD, therefore,
the segment will be ON.
Figure 8-14. "f" Segment Voltage Waveform
DUTY = 1/3
VLCD
VLCD1
VLCD2
VLCD3
VLCD
VLCD1
VLCD2
VLCD3
1FRAME
BP0
VLCD
VLCD1
VLCD3
VLCD
VLCD2
VLCD3
VLCD
VLCD1
VLCD2
VLCD3
VLCD2
VLCD1
BP1
BP2
VLCD
VLCD1
VLCD2
VLCD3
FP0
FP1
FP2
0
F1B0
1
F1B1
0
F1B2
1
F2B0
1
F2B1
0
F2B2
0
F0B0
1
F0B1
0
F0B2
BP1–FP0
+VLCD
+VLCD1
+VLCD2
–VLCD2
–VLCD1
–VLCD
0
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