Harman Kardon DVD 29 Service Manual ▷ View online
1
Features
•
Medium-voltage and Standard-voltage Operation
– 5.0 (V
CC
= 4.5V to 5.5V)
– 2.7 (V
CC
= 2.7V to 5.5V)
•
Automotive Temperature Range –40
°
C to 125
°
C
•
Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K),
1024 x 8 (8K) or 2048 x 8 (16K)
1024 x 8 (8K) or 2048 x 8 (16K)
•
Two-wire Serial Interface
•
Schmitt Trigger, Filtered Inputs for Noise Suppression
•
Bidirectional Data Transfer Protocol
•
400 kHz (2.7V) Compatibility
•
Write Protect Pin for Hardware Data Protection
•
8-byte Page (1K, 2K), 16-byte Page (4K, 8K, 16K) Write Modes
•
Partial Page Writes are Allowed
•
Self-timed Write Cycle (5 ms max)
•
High-reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– Data Retention: 100 Years
•
8-lead PDIP, 8-lead JEDEC SOIC, and 8-lead TSSOP Packages
Description
The AT24C01A/02/04/08A/16A provides 1024/2048/4096/8192/16384 bits of serial
electrically erasable and programmable read-only memory (EEPROM) organized as
128/256/512/1024/2048 words of 8 bits each. The device is optimized for use in many
automotive applications where low-power and low-voltage operation are essential.
The AT24C01A/02/04/08A/16A is available in space-saving 8-lead PDIP, 8-lead
JEDEC SOIC, and 8-lead TSSOP packages and is accessed via a two-wire serial
interface. In addition, the entire family is available in 2.7V (2.7V to 5.5V) versions.
electrically erasable and programmable read-only memory (EEPROM) organized as
128/256/512/1024/2048 words of 8 bits each. The device is optimized for use in many
automotive applications where low-power and low-voltage operation are essential.
The AT24C01A/02/04/08A/16A is available in space-saving 8-lead PDIP, 8-lead
JEDEC SOIC, and 8-lead TSSOP packages and is accessed via a two-wire serial
interface. In addition, the entire family is available in 2.7V (2.7V to 5.5V) versions.
Table 1. Pin Configurations
Pin Name
Function
A0
−
A2
Address Inputs
SDA
Serial Data
SCL
Serial Clock Input
WP
Write Protect
NC
No Connect
Two-wire
Automotive
Temperature
Serial EEPROM
Automotive
Temperature
Serial EEPROM
1K (128 x 8)
2K (256 x 8)
4K (512 x 8)
8K (1024 x 8)
16K (2048 x 8)
AT24C01A
AT24C02
AT24C04
AT24C08A
AT24C16A
AT24C02
AT24C04
AT24C08A
AT24C16A
5092B–SEEPR–9/05
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
S
CL
S
DA
8
-le
a
d PDIP
8
-le
a
d
S
OIC
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
S
CL
S
DA
8
-le
a
d T
SS
OP
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
S
CL
S
DA
harman/kardon
DVD 29/230 Service Manual
Page 29 of 55
2
Multimedia ICs
BA7660FS
•
Block diagram
MUTE
INA
GND
INB
GND
N.C.
INC
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OUTA1
V
CC
OUTA2
OUTB1
OUTB2
N.C.
OUTC1
OUTC2
75
Ω
6dB
75
Ω
6dB
6dB
75
Ω
H
3ch MUTE
MUTE (1pin)
NORMAL
L
harman/kardon
DVD 29/230 Service Manual
Page 30 of 55
3
Multimedia ICs
BA7660FS
•
Pin descriptions and input / output circuits
Pin. No
Pin name
IN
OUT
Reference
voltage
Equivalent circuit
Function
1
MUTE
K
—
—
K
—
—
2
4
7
4
7
INA
INB
INC
INB
INC
—
K
0.9V
0.95V
14
12
12
9
15
13
10
13
10
OUTA2
OUTB2
OUTC2
OUTB2
OUTC2
OUTA1
OUTB1
OUTC1
OUTB1
OUTC1
—
—
5.0V
16
V
CC
Muting control
If MUTE (pin 1) is set to HIGH, muting
is carried out simultaneously on all
three channels.
is carried out simultaneously on all
three channels.
Signal input
Input signals consist of composite
video signals, Y signals, C signals,
RGB, and others. The input level is
within a range of 0 to 1.3 (min.) to 1.5
(typ.).
video signals, Y signals, C signals,
RGB, and others. The input level is
within a range of 0 to 1.3 (min.) to 1.5
(typ.).
—
—
0V
3
5
8
5
8
GND
Ground
Signal output
The signal output level is (0.9 + 2
×
input voltage [V]). Pins 9, 12, and 14
are the pins for sag correction. If pins
10, 13, and 15 are set to 0.2V or less,
the protective circuit is triggered and
the power-saving mode is accessed.
are the pins for sag correction. If pins
10, 13, and 15 are set to 0.2V or less,
the protective circuit is triggered and
the power-saving mode is accessed.
Power supply
15k
8k
GND
15pin
13pin
10pin
13pin
10pin
14pin
12pin
9pin
12pin
9pin
Vcc
harman/kardon
DVD 29/230 Service Manual
Page 31 of 55
BH7862FS
Multimedia ICs
2/9
!
!
!
!
Block diagram
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
10
32
31
30
29
28
27
26
25
24
22
21
20
19
18
17
23
1.5-6M
BPF
COUT
CTRAP
MUTE1
CIN
GND
GND
YIN
PYIN
V
CC
GND
V
CC
PbIN
PYTRAP
PrIN
MUTE2
GND
PrTRAP
TEST
MIXOUT
MIXFB
GND
GND
GND
GND
YTRAP
YOUT
PYOUT
YFB
PYFB
PbOUT
PrOUT
N.C.
MUTE1
TEST
20k
20k
6M
LPF
12M
LPF
6M
LPF
20k
6M
LPF
CLAMP
75
Ω
6dB
75
Ω
6dB
75
Ω
6dB
75
Ω
6dB
75
Ω
6dB
75
Ω
6dB
MUTE2
CLAMP
harman/kardon
DVD 29/230 Service Manual
Page 32 of 55
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