hd61603r ETC-unknow, hd61603r Datasheet - Page 30

• Manufacturer Part Number: hd61603r
• Description: Segment Type Lcd Driver
• Manufacturer: ETC-unknow

HD6809
HD6809
CPU
VCC
VSS
R/W
CPU
D7–
D0
VSS
A
A
A
R/W
+5 V
BA
D3–
D0
V
A
A
A
+5 V
BA
13
14
15
E
CC
13
14
15
E
Address bus
+5 V
+5 V
Address bus
+5 V
Data bus
Data bus
HD74LS138
HD74LS138
A
B
C
G
A
B
C
G
D0
D0
Y
Y
+5 V
+5 V
VDD
READY
SB
VSS
VC1
VC2
4
VDD
READY
SB
VSS
COM0
COM0
COM3 SEG0
Figure 25 Example (1)
Figure 26 Example (2)
to
Liquid crystal
SEG0
Liquid crystal
HD61602
HD61603
D0–D7
D0–D3
SEG50
SEG63
VREF1
VREF2
OSC2
V1
V2
V3
V3
HD14049UB
HD14049UB
+5 V
+5 V
VDD
READY
SB
VSS
VC1
VC2
VDD
READY
SB
VSS
SEG1
SEG0
HD61602
D0–D7
HD61603
SEG50
D0–D3
OSC1
HD61602/HD61603
SEG63
VREF1
VREF2
OSC2
V1
V2
V3
V3
+5 V
1259