參數(shù)資料
型號： MC68HC05L25PB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP52
封裝： TQFP-52
文件頁數(shù)： 5/152頁
文件大?。?/td> 897K
代理商： MC68HC05L25PB
LCD Driver
MC68HC05L25 Data Sheet, Rev. 3.1
102
Freescale Semiconductor
11.4 Terminal Description
A total of 27 pins is dedicated to the LCD driver.
11.4.1 VLCD Bias Inputs
VLCD1 through VLCD3 are internal bias voltages for the LCD driver waveforms. VLCD3 potential is available
externally as the VLCD pin, and a variable resistor for contrast can be placed between VLCD and VSS. See
Addr
Hex
Register Name
Bit Number Sequence
Bit 7
6
54
32
1
Bit 0
$0020
LCD Control Register (LCDCR)
Read:
LCDE
PBEH
DUTY
PBEL
00
FC
LC
Write:
$0021
LCD Data Register (LDAT1)
Read:
F1B3
F1B2
F1B1
F1B0
F0B3
F0B2
F0B1
F0B0
Write:
$0022
LCD Data Register (LDAT2)
Read:
F3B3
F3B2
F3B1
F3B0
F2B3
F2B2
F2B1
F2B0
Write:
$0023
LCD Data Register (LDAT3)
Read:
F5B3
F5B2
F5B1
F5B0
F4B3
F4B2
F4B1
F4B0
Write:
$0024
LCD Data Register (LDAT4)
Read:
F7B3
F7B2
F7B1
F7B0
F6B3
F6B2
F6B1
F6B0
Write:
$0025
LCD Data Register (LDAT5)
Read:
F9B3
F9B2
F9B1
F9B0
F8B3
F8B2
F8B1
F8B0
Write:
$0026
LCD Data Register (LDAT6)
Read:
F11B3
F11B2
F11B1
F11B0
F10B3
F10B2
F10B1
F10B0
Write:
$0027
LCD Data Register (LDAT7)
Read:
F13B3
F13B2
F13B1
F13B0
F12B3
F12B2
F12B1
F12B0
Write:
$0028
LCD Data Register (LDAT8)
Read:
F15B3
F15B2
F15B1
F15B0
F14B3
F14B2
F14B1
F14B0
Write:
$0029
LCD Data Register (LDAT9)
Read:
F17B3
F17B2
F17B1
F17B0
F16B3
F16B2
F16B1
F16B0
Write:
$002A
LCD Data Register (LDAT10)
Read:
F19B3
F19B2
F19B1
F19B0
F18B3
F18B2
F18B1
F18B0
Write:
$002B
LCD Data Register (LDAT11)
Read:
F21B3
F21B2
F21B1
F21B0
F20B3
F20B2
F20B1
F20B0
Write:
$002C
LCD Data Register (LDAT12)
Read:
F23B3
F23B2
F23B1
F23B0
F22B3
F22B2
F22B1
F22B0
Write:
$002D
LCD Data Register (LDAT13)
Read:
0
F24B3
F24B2
F24B1
F24B0
Write:
= Unimplemented
Figure 11-4. LCD Data Registers (LDAT1–LDAT13)
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