hd66717 Renesas Electronics Corporation., hd66717 Datasheet - Page 4

• Manufacturer Part Number: hd66717
• Description: Low-power Dot-matrix Liquid Crystal Display Controller/driver -
• Manufacturer: Renesas Electronics Corporation.

LCD-II Family Comparison (cont)
Item
Power supply voltage
Liquid crystal drive voltage 3.0 to 11.0V
Maximum display
characters per chip
Segment display
Display duty ratio
CGROM
CGRAM
DDRAM
SEGRAM
Segment signals
Common signals
Liquid crystal drive
waveform
Clock source
Rf oscillation frequency
Liquid crystal voltage
booster circuit
Liquid crystal drive
operational amplifier
Bleeder-resistor for liquid
crystal drive
Liquid crystal contrast
adjuster
Key scan circuit
Extension driver control
signal
Reset function
Horizontal smooth scroll
Vertical smooth scroll
Number of displayed lines 1 or 2
Low power control
Bus interface
Package
2.7V to 5.5V
1/9 and 1/17
9,600 bits
17
External resistor
160 kHz ± 30%
Dot unit and
Low power mode and sleep
100-pin QFP1420
HD66720
10 characters
1 line/
8 characters
2 lines
42 (extended to 80)
(240 5- -8 dot
characters)
64 bytes
40 bytes
16 bytes
42
B
or external clock
Double or triple
booster circuit
None
External
None
5
Independent
control signal
Internal reset
circuit or reset input
line unit
Impossible
mode
Serial
100-pin TQFP1414
100-pin bare chip
6 = 30 keys
2.4V to 5.5V
3.0 to 13.0V
1/10, 1/18, 1/26, and 1/34
34
1-line mode: 40 kHz ± 30%
Internal 1/4 and 1/6 bias
None
1, 2, 3, or 4
HD66717
12 characters
1 line/2 lines/3 lines/4 lines
40 (and 10 annunciators)
9,600 bits
(240 5- -8 dot
characters)
32 bytes
60 bytes
8 bytes
60
B
External resistor
or external clock
2-line mode: 80 kHz ± 30%
3-line mode: 120 kHz ± 30%
4-line mode: 160 kHz ± 30%
Double or triple
booster circuit
Built-in for each V1 to V5
resistors
Incorporated
None
Reset input
Impossible
Dot (raster-row) unit
Standby mode and
sleep mode
I
Slim chip with/without bumps
TCP
2
C, serial, 4, or 8 bits
2.4V to 5.5V
3.0 to 13.0V
12 characters
1 line/2 lines/3 lines/4 lines
1/10, 1/18, 1/26, and 1/34
11,520 bits
(240 6- -8 dot
characters)
32 bytes
8 bytes
60
34
B
External resistor
or external clock
1-line mode: 40 kHz ± 30%
2-line mode: 80 kHz ± 30%
3-line mode: 120 kHz ± 30%
4-line mode: 160 kHz ± 30%
Double or triple
booster circuit
Built-in for each V1 to V5
Internal 1/4 and 1/6 bias
resistors
4
None
Dot (raster-row) unit
1, 2, 3, or 4
Standby mode and
sleep mode
I
Slim chip with/without bumps
TCP
HD66727
40 (and 12 annunciators)
60 bytes
Incorporated
Reset input
Impossible
2
C or clock-synchronized serial
8 = 32 keys
HD66717
455