mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 102

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

LCD Driver
11.4 Terminal Description
A total of 27 pins is dedicated to the LCD driver.
11.4.1 V
V
externally as the V
Figure
102
LCD1
Addr
$002A
$002B
$002C
$002D
$0020
$0021
$0022
$0023
$0024
$0025
$0026
$0027
$0028
$0029
Hex
through V
11-15.
LCD
LCD Control Register (LCDCR)
LCD Data Register (LDAT10)
LCD Data Register (LDAT11)
LCD Data Register (LDAT12)
LCD Data Register (LDAT13)
Bias Inputs
Register Name
LCD Data Register (LDAT1)
LCD Data Register (LDAT2)
LCD Data Register (LDAT3)
LCD Data Register (LDAT4)
LCD Data Register (LDAT5)
LCD Data Register (LDAT6)
LCD Data Register (LDAT7)
LCD Data Register (LDAT8)
LCD Data Register (LDAT9)
LCD3
LCD
are internal bias voltages for the LCD driver waveforms. V
pin, and a variable resistor for contrast can be placed between V
Figure 11-4. LCD Data Registers (LDAT1–LDAT13)
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
MC68HC05L25 Data Sheet, Rev. 3.1
F11B3
F13B3
F15B3
F17B3
F19B3
F21B3
F23B3
Bit 7
LCDE
F1B3
F3B3
F5B3
F7B3
F9B3
0
= Unimplemented
F11B2
F13B2
F15B2
F17B2
F19B2
F21B2
F23B2
PBEH
F1B2
F3B2
F5B2
F7B2
F9B2
6
0
F11B1
F13B1
F15B1
F17B1
F19B1
F21B1
F23B1
DUTY
F1B1
F3B1
F5B1
F7B1
F9B1
5
0
Bit Number Sequence
F11B0
F13B0
F15B0
F17B0
F19B0
F21B0
F23B0
PBEL
F1B0
F3B0
F5B0
F7B0
F9B0
4
0
F10B3
F12B3
F14B3
F16B3
F18B3
F20B3
F22B3
F24B3
F0B3
F2B3
F4B3
F6B3
F8B3
3
0
LCD3
F10B2
F12B2
F14B2
F16B2
F18B2
F20B2
F22B2
F24B2
F0B2
F2B2
F4B2
F6B2
F8B2
Freescale Semiconductor
potential is available
2
0
LCD
F10B1
F12B1
F14B1
F16B1
F18B1
F20B1
F22B1
F24B1
and V
F0B1
F2B1
F4B1
F6B1
F8B1
FC
1
SS
F10B0
F12B0
F14B0
F16B0
F18B0
F20B0
F22B0
F24B0
Bit 0
F0B0
F2B0
F4B0
F6B0
F8B0
. See
LC