MTG-12232C
Description
Cathode of LED backlight, which is mon Anode with logic circuit.
V SS
V DD
Logic supply voltage
ELECTRICAL CHARACTERISTICS
Item
Power Supply for Logic
LCD driver supply voltage Display Data/Display mands switching input. Ao=0: DB0~DB7 are mand input and status output. Ao=1: DB0~DB7 are Display Data input/output. Enable signal for the left half of the screen. Active Low Enable signal for the right half of the screen. Active Low
Symbol
V DD- V SS V IL V IH
Condition
L level H level T a = 0 °C
Min.
2.4 V SS 0 . 8 V DD 4.0
- Typ
5.0 0 . 2 V DD V DD 4.3 0.6 45
Max. Unit note
7.0 7 E2 4.6 8~15 DB0~DB7 3-state I/O Data Bus 1.1 m A 60 16 R/W High for Read, Low for Write Volt Volt Volt Volt 6 E1 5 AO
..
Input Voltage LCM Remend LCD Module Driving Voltage Power Supply Current for LCM
V DD- V O
T a = 2 5 °C T a = 5 0 °C
I DD( L E D B/L OFF) I EE( L E D B/L ON)
V DD= 5 . 0 V V DD- V O= 4 . 3 V FLM=64Hz V LED= 4 . 2 V
BLOCK DIAGRAM
POWER...
