LM041L HITACHI
Document overview
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Technical content
™ 16 character x 4 lines INTERNAL PIN CONNECTION = Controller LS! HD44780 is built-in (See page 115) (Fan. [evmbet | tel [Renee ™ = +5V single power supply evel [vss [= [ow MECHANICAL DATA (Nominal dimensions) [2 | Vvoo | - | *5V_ | Powersupply ro ABSOLUTE MAXIMUM RATINGS min. max. [8 | 081 | HA | Ce ELECTRICAL CHARACTRISTICS Notes: Ta=25°C, Vo9=5.0V+0.25V In the HD 44780, the data can be sent in either 4bit 2-operation or ” a (1) When interface data is 4 bits long, data is transferred using only 4 Input tow voltage Mid essere reese + O6V max. buses of DB,~DB, and DB,~DB, are not used. Data transfer Output “high voltage (Vou) (—lon=0.2mA) . 2.4V min. between the HD44780 and the MPU completes when 4-bit data is 3.0 mA max. and then lower order 4 bits (contents of D8, ~D8, when interface Pe ly fe _ data is 8 bits long). ‘ower supply for LCD drive (Recommended) (Voo—-Vo} 12) when interface data is 8 bits long, data is transferred using 8 data Duty = 1/16 buses of OB, ~DB,. Range of Vpp—Vo..-- 2 eee eee 1545.25 V - Ta=0°C.. ee eee ee 4.6 V typ. Ta=25°C eee AV type Ta50°C 2. eee eee 4.2 V typ. Unitrmm | DISPLAY POSITION AND DD RAM ADDRESS ee 88888 ns: [_aeaiine [eo [er [ez [ea [es Jes Jes [er [es [es Jen ee [ec [eo [ce [er | ae} See [Seating [90 [91 [92 [a3 [90 [os [96 [07 [96 [99 Joa [oe [ac [90 [oe [oF | [aes IQGAG ~~~ nm enn ng Notes: - . ; boot : (1) 80 ~ DF are desrribed in hexidecimal for 0D RAM address. poaag gr--=--=- 22" =< 92no22 og (3) DD RAM address is no series in line. Address sat is necessary to bead b. : change the lines. svrrrrcctrncrir itr t (4) Circuit is equal to 32 characters by 2 lines type. §egoq ? a (5) In case of executing shift, first line and third line are shifted con- ! : tinuously, also second line and fourth line. Therefore it happens : : that display of third line is transferred to first line. O00 O.- 2 eg rr Zs 155 se2 Fig. 1 Display pattern
84 HITACHi
Unit: mm mozto tanat 25205 92.0203 |] I usto S| E dom 3. 1 | I _ > uw 2 . i 2 q i 3 ' | h hi — ———- uh Se ee ' [| ' Lozos IC heishe Fig. 2 External dimensions most t te eH ---5 ' i ' 1 Co & ! I E nd Lep ! Rw 1 RS 1 om TT fel vat i par) Vss——4 Ic. [> 1c2 ! vo | Vo0—et ! bie Ls Fig. 3 Block diagram +5" Veo sv) : | av Voo-Yo LCM Vo, VR Yop Vpp-15V. Vs ss Vpp-Vo: LCD driving voltage = 1.5~$.25V VR! 10Kn~20k0 Fig. 4 Power supply eee On