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PDF BU97510CKV-M Data sheet ( Hoja de datos )
| Número de pieza | BU97510CKV-M | |
| Descripción | Multi- function LCD Segment Drivers | |
| Fabricantes | ROHM Semiconductor | |
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LCD Segment Drivers
Multi- function LCD Segment Drivers
BU97510CKV-M
MAX 216 Segment(54SEGx4COM)
General Description
The BU97510CKV-M is 1/4 or 1/3-Duty general-purpose
LCD driver that can be used for frequency display in
electronic tuners under the control of a microcontroller.
The BU97510CKV-M can drive up to 216 LCD.
Segments directly. The BU97510CKV-M can also
control up to 6 general-purpose output ports.
Features
AEC-Q100 Qualified (Note)
Either 1/4 or 1/3-Duty can be selected with the Serial
Control Data.
1/4-Duty Drive: Up to 216 Segments
1/3-Duty Drive: Up to 162 Segments
Serial Data Control of Frame Frequency for Common
and Segment Output Waveforms.
Serial Data Control of Switching between the
Segment Output Port , PWM Output Port and
General-purpose Output Port Functions.(Max 6 port)
Built-in OSC Circuit
The INHb Pin can force the Display to the off state.
Integrated Power-on Reset Circuit
No External Component
Low Power Consumption Design
(Note) Grade 3
Applications
Car Audio, Home Electrical Appliance,
Meter Equipment etc.
Key Specifications
Supply Voltage Range:
Operating Temperature
Range:
Max Segments:
Display Duty:
Bias:
Interface:
+2.7V to +6.0V
-40°C to +85°C
216 Segments
1/3, 1/4 Selectable
1/2, 1/3 Selectable
3wire Serial Interface
Packages
VQFP64
W(Typ.)×D(Typ.)×H(Max.)
VQFP64
12.00mm x 12.00mm x 1.60mm
Typical Application Circuit
+5V
(Note)
VDD
From
Controller
INHb
SCE
SCL
SDI
(P1/G1)
(P6/G6)
(General purpose/PWM ports)
(For use control of backlight)
COM1
CCOOMM23
COM4
S1/P1/G1
S2/P2/G2
・
・
・
・
・
・
・
S6/P6/G6
S7
S51
OSC/S52
S53
S54
・
・
・
・
・
LCD Panel
(Up to 216
Segments)
(Note) Insert capacitors between VDD and VSS C≥0.1uF
Figure 1. Typical Application Circuit
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
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○This product is not designed protection against radioactive rays
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BU97510CKV-M
MPU Interface Characteristics (Ta = -40 to +85°C, VDD = 2.7V to 6.0V, VSS = 0.0V)
Parameter
Symbol
Pin
Conditions
Data Setup Time
Data Hold Time
SCE Wait Time
SCE Setup Time
SCE Hold Time
High-Level Clock Pulse
Width
Low-Level Clock Pulse
Width
Rise Time
Fall Time
INH Switching Time
tds
tdh
tcp
tcs
tch
tchw
tclw
tr
tf
tc
SCL, SDI
SCL, SDI
SCE, SCL
SCE, SCL
SCE, SCL
SCL
SCL
SCE, SCL, SDI
SCE, SCL, SDI
INHb, SCE
Min
160
160
160
160
160
160
160
-
-
10
1. When SCL is stopped at the low level
SCE
VIH1
SCL 50%
VIL1
VIH1
SDI
VIL1
tr
tds
tchw
tclw
tf
tdh
VIH1
tcp tcs
2. When SCL is stopped at the high level
VIH1
SCE
SCL
tf
SDI
tclw
tchw
tr
tds tdh
VIH1
50%
VIL1
VIH1
VIL1
tcp tcs
Figure 5.Serial Interface Timing
Datasheet
Ratings
Typ
-
-
-
-
-
-
-
160
160
-
Max Unit
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- µs
VIL1
tch
VIL1
tch
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
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BU97510CKV-M
Datasheet
Control Data Functions
1.P0 P2:Segment / PWM / General Purpose output port switching control data
These control bits are used to select the function of the S1/P1 to S6/P6 output pins (Segment Output Pins or PWM Output
Pins or General Purpose Output Pins).
Please refer to the table below.
P0 P1
P2 S1/P1/G1 S2/P2/G2 S3/P3/G3 S4/P4/G4 S5/P5/G5 S6/P6/G6
00
0
S1
S2
S3
S4
S5
S6
00
1 P1/G1 S2
S3
S4
S5
S6
01
0
P1/G1
P2/G2
S3
S4
S5
S6
01
1
P1/G1
P2/G2
P3/G3
S4
S5
S6
10
0
P1/G1
P2/G2
P3/G3
P4/G4
S5
S6
10
1
P1/G1
P2/G2
P3/G3
P4/G4
P5/G5
S6
11
0
P1/G1
P2/G2
P3/G3
P4/G4
P5/G5
P6/G6
11
1
S1
S2
S3
S4
S5
S6
PWM output or General Purpose output is selected by PGx(x=1 6) control data bit.
When the General Purpose Output Port Function is selected, the correspondence between the output pins and the
respective display data is given in the table below.
Output Pins
Corresponding Display Data
1/4-Duty mode
1/3-Duty mode
S1/P1/G1
D1
D1
S2/P2/G2
D5
D4
S3/P3/G3
D9
D7
S4/P4/G4
D13
D10
S5/P5/G5
D17
D13
S6/P6/G6
D21
D16
When the General Purpose Output Port Function is selected, the respective output pin is output a “HIGH” level when it
corresponding display data is set to “1”. Likewise, it will output a “LOW” level, if its corresponding display data is set to
“0”.
For example, S4/P4/G4 is used as a General Purpose Output Port, if its corresponding display data – D13 is set to “1”,
then S4/P4/G4 will output “HIGH” level. Likewise, if D13 is set to “0”, then S4/P4/G4 will output “LOW” level.
2. DR: 1/3-Bias drive or 1/2-Bias drive switching control data
This control data bit selects either 1/3-Bias drive or 1/2-Bias drive.
DR Bias drive scheme
0 1/3-Bias drive
1 1/2-Bias drive
3. DT: 1/4-Duty drive or 1/3-Duty drive switching control data
This control data bit selects either 1/4-Duty drive or 1/3-Duty drive.
DT Duty drive scheme
0 1/4-Duty drive
1 1/3-Duty drive
4. FC0, FC1, FC2: Frame frequency switching control data
These control data bits set the frame frequency for common and segment output waveforms.
FC0 FC1 FC2 Frame Frequency fo(Hz)
00 0
fosc/6144
00 1
fosc/5376
01 0
fosc/4608
01 1
fosc/3840
10 0
fosc/3072
10 1
fosc/2304
11 0
fosc/1920
11 1
fosc/1536
Note: fosc: Internal oscillation frequency (300 [kHz] typ.)
5. OC: Internal oscillator operating mode/External clock operating mode switching control data
OC
Operating mode
In/Out pin(S52/OSC) status
0
Internal oscillator
S52 (segment output)
1
External Clock
OSC (clock input)
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BU97510CKV-M.PDF ] | |
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