SED1200F Datasheet, PDF (3/6 Pages) Epson Company – Dot Matrix LCD Controller Driver

SED1200F
q DC Characteristics (V_DD = 5V)
(V_SS = 0V, Ta = –10 to +70°C)
Characteristic
Logic operating voltage
LCD operating voltage
Resistor for oscillator
Input voltage; High (1)
Input voltage; Low (1)
Input leakage current; High
Input leakage current; Low
Input voltage; High (2)
Input voltage; Low (2)
Output current; High
Output current; Low
Input pull up current
Resistor as power divider
Operating frequency (1)
Operating frequency (2)
Symbol
V_DD
V_LCD
Rf
V_IH1
V_IL1
I_LIH
I_LIL
V_IH2
V_IL2
I_OH
I_OL
I_IPU
R_d
f_OSC
CLK
Condition
V_DD = 5V, f_OSC = 100kHz
V_DD = 4.5 to 5.5V T1
V_DD = 4.5 to 5.5V T1
V_DD = 5.5V, V_IH = 5.5V T2
V_DD = 5.5V, V_IL = 0V T2
V_DD = 4.5 to 5.5V T3
V_DD = 4.5 to 5.5V T3
V_DD = 5V, V_OH = 2.4V T4
V_DD = 5V, V_OL = 0.4V T4
V_IL = 0V, V_DD = 5V T5
V_DD = 4.5 to 5.5V
V_DD = 4.5 to 5.5V
Min.
4.5
V_DD–5.5
240
2.0
0
—
—
0.8V_DD
0
1.0
1.6
3
30
—
—
Typ.
5
—
310
—
—
—
—
V_DD
0
—
—
10
130
100
—
Max.
5.5
V_DD–4
380
V_DD
0.8
1.0
1.0
V_DD
0.2V_DD
—
—
30
300
300
3.2
Unit
V
V
kΩ
V
V
µA
µA
V
V
mA
mA
µA
kΩ
kHz
MHz
Operating current
I_DD
V_DD = 5V, V_LCD = 0V T6
f_OSC = 100kHz, CLK = 1MHz
—
80
150
µA
Command execution time
t_COMD
—
—
16/CLK
(MHz)
µs
Common output current (1)
‚ I_OH V_DDC ‚
V_DD = 4.5V
20
—
—
µA
Common output current (2)
‚ I_OL V_LCDC ‚
V_LCD = 1.0V
20
—
—
µA
Common output current (3)
‚ I_OL V_L1C ‚
1/16 duty drive
8
—
—
µA
Common output current (4)
‚ I_OL VL4C ‚
Voltage drop by 0.5V
8
—
—
µA
Segment output current (1)
‚ I_OL VDDS ‚ _{When one terminal is measured,}
12
—
—
µA
Segment output current (2)
‚ I_OL VLCDS ‚ the others are open.
12
—
—
µA
Segment output current (3)
‚ I_OL VL2S ‚
4
—
—
µA
Segment output current (4)
‚ I_OL VL3S ‚
4
—
—
µA
T1. Terminal: CS, RD, WR, A0, DB0 to DB3, CLK T4. Terminal: DB3
T2. Terminal: CLK, OSC1, DB0 to DB3
T5. Terminal: CS, RD WR, A0
T3. Terminal: OSC1 (for external clock)
T6. CS = RD = WR = A0 = 5.0V (open output terminals)
q Display Command
Command Name
CS WR RD AO
SET CURSOR DIRECTION
CURSOR ADDRESS–1/+1
CURSORFONT SELECT
CURSOR BLINK ON/OFF
DISPLAY ON/OFF
CURSOR ON/OFF
SYSTEM RESET
LINE SELECT
SET CURSOR 1st LINE
ADDRESS
2nd LINE
SET CHARACTER CODE
BUSY FLAG CHECK
SET CGRAM ADDRESS
SET CGRAM DATA
0010
0010
0010
0010
0010
0010
0010
0010
0010
0010
0011
0100
0010
0010
1st input
2nd input
DB3 DB2 DB1 DB0 DB3 DB2 DB1 DB0
(D7) (D6) (D5) (D4) (D3) (D2) (D1) (D0)
0000
0 1 0 D/I
0000
0 1 1 –1/+1
0000
1 0 0 A/U
0000
1 0 1 ON/OFF
0000
1 1 0 ON/OFF
0000
1 1 1 ON/OFF
0001
000
0
0001
0 0 1 2/1
10
(N figure—1)B
11
(N figure—1)B
(CHARACTER CODE)
BF T T T
BF T T
T
0010
(Set lower address)
0 1 0 (Set CGRAM data)
Note
D0 = 1 : Decrement
D0 = 0 : Increment
D0 = 1 : –1
D0 = 0 : +1
D0 = 1 : All dots blinking
D0 = 0 : Under line
D0 = 1 : ON
D0 = 0 : OFF
D0 = 1 : ON
D0 = 0 : OFF
D0 = 1 : ON
D0 = 0 : OFF
Except data RAM and CGRAM
D0 = 1 : 2 line display (1/16 duty)
D0 = 0 : 1 line display (1/8 duty)
D7 (D3 = 1 : Busy
D7 (D3 = 0 : Not Busy
T = High impedance
Note: Misoperation may be caused when any command other than that listed in the above table is inputted.
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