Lcd Display - Sharp CD-RW5000 Service Manual

CD-RW5000
LCD710: RUNTZ0021AWZZ
Pin No. Pin Name
1 VLOUT
2, 3 C1-, C1+
4, 5 C2-, C2+
6 VCI
7 VCC
8 GND
9 /RD
10 /WR
11 RS
12 /CS
13 /RESET
14 DB4
15 DB5
16 DB6
17 DB7

LCD DISPLAY

3
LCD (12 characters 3 lines)
7
I/O Connect to
O Booster Potential difference between VCI and GND is boosted twice and then
capacitance output. Magnitude of boost is selected by instruction.
— Booster External capacitance should be connected here.
capacitance
Booster External capacitance should be connected here.
—
capacitance
I Power supply Inputs a reference voltage and supplies power to the booster,
generates the LCD drive voltage from the operating voltage.
VCI=0~2.2V
Power supply 5V
—
Power supply 0V
—
I MPU For a 80-system parallel bus interface. Read data at low level.
MPU For a 80-system parallel bus interface. Write data at low level.
I
I MPU "L" :Instruction; "H" :Data.
MPU Low :LCD control IC is selected and can be accessed.
I
High :LCD control IC is not selected and can not be accessed.
I MPU or external Reset pin. Initializes the LSI when low. Must reset after power-on.
R-C circuit
MPU Data bit 4. For a bidirection four-bit parallel bus.
I/O
MPU Data bit 5. For a bidirection four-bit parallel bus
I/O
MPU Data bit 6. For a bidirection four-bit parallel bus
I/O
I/O MPU Data bit 7. For a bidirection four-bit parallel bus
60
with lcons
Description
– 62 –
4+COMS
7+COMS