Datasheet

Liquid Crystal Display Driver (LCD)
MC68HC908LJ12 — Rev. 2.1 Technical Data
Freescale Semiconductor Liquid Crystal Display Driver (LCD) 339
16.9.3 LCD Data Registers (LDAT1–LDAT14)
The fourteen (14) LCD data registers enable and disable the drive to the
corresponding LCD segments.
Addr.Register Name Bit 7654321Bit 0
$0052
LCD Data Register 1
(LDAT1)
Read:
F1B3 F1B2 F1B1 F1B0 F0B3 F0B2 F0B1 F0B0
Write:
Reset:UUUUUUUU
$0053
LCD Data Register 2
(LDAT2)
Read:
F3B3 F3B2 F3B1 F3B0 F2B3 F2B2 F2B1 F2B0
Write:
Reset:UUUUUUUU
$0054
LCD Data Register 3
(LDAT3)
Read:
F5B3 F5B2 F5B1 F5B0 F4B3 F4B2 F4B1 F4B0
Write:
Reset:UUUUUUUU
$0055
LCD Data Register 4
(LDAT4)
Read:
F7B3 F7B2 F7B1 F7B0 F6B3 F6B2 F6B1 F6B0
Write:
Reset:UUUUUUUU
$0056
LCD Data Register 5
(LDAT5)
Read:
F9B3 F9B2 F9B1 F9B0 F8B3 F8B2 F8B1 F8B0
Write:
Reset:UUUUUUUU
$0057
LCD Data Register 6
(LDAT6)
Read:
F11B3 F11B2 F11B1 F11B0 F10B3 F10B2 F10B1 F10B0
Write:
Reset:UUUUUUUU
$0058
LCD Data Register 7
(LDAT7)
Read:
F13B3 F13B2 F13B1 F13B0 F12B3 F12B2 F12B1 F12B0
Write:
Reset:UUUUUUUU
$0059
LCD Data Register 8
(LDAT8)
Read:
F15B3 F15B2 F15B1 F15B0 F14B3 F14B2 F14B1 F14B0
Write:
Reset:UUUUUUUU
$005A
LCD Data Register 9
(LDAT9)
Read:
F17B3 F17B2 F17B1 F17B0 F16B3 F16B2 F16B1 F16B0
Write:
Reset:UUUUUUUU
U = Unaffected
= Unimplemented
Figure 16-18. LCD Data Registers 1–14 (LDAT1–LDAT14)