HD6432646 Hitachi, HD6432646 Datasheet - Page 811

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

23.6
Table 23-9 LCD Characteristics
Condition :
Item
Segment driver
step-down voltage
Common driver
step-down voltage
LCD power supply
division resistor
LCD voltage
Notes: *1 Voltage step-down between power supply pins V1, V2, V3, and V
*2 If the LCD voltage is provided by an external power supply, the following relationship
LCD Characteristics
must be maintained: LPV
V
V
(regular specifications), Ta = –40 to +85ºC (wide-range specifications)
CC
ref
= 4.5 V to AV
= PWMV
Symbol
VDS
VDC
RLCD
VLCD
CC
Applicable Pins
SEG1 to SEG24
(H8S/2646,
H8S/2646R,
H8S/2645)
SEG1 to SEG40
(H8S/2648,
H8S/2648R,
H8S/2647)
COM1 to COM4
V1
= 4.5 V to 5.5 V, LPV
CC
, V
CC
SS
V1 V2 V3 V
= PWMV
SS
Test
Conditions Min
ID = 2 µA
ID = 2 µA
Between V1
and V
= PLLV
CC
= 4.5 V to 5.5 V, AV
SS
SS
.
SS
= AV
—
—
40
4.5
Standard Value
SS
Typ
—
—
300
—
= 0 V, Ta = –20 to +75ºC
SS
Max Unit Notes
0.6
0.3
1000 k
LPV
C
CC
and segment pins.
= 4.5 V to 5.5 V,
C
V
V
V
* 1
* 1
* 2
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