Sharp DK-AP2BK (serv.man3) Service Manual ▷ View online
DK-AP2/DK-AP2(BK)
6 – 1
CHAPTER 6. OTHERS
[1] Function Table Of IC
IC101 VHiNJM2794R-1 : GROUND NOISE ISOLATION (NJM2794)
IN2+
IN1+
Vref
IN1-
IN2-
V+
OUT1
OUT2
GND
1
10
PIN DESCRIPTION
BLOCK DIAGRAM
No.
OUT1
Output1
GND
Ground
Vref
Reference Voltage
V+
Power Supply
OUT2
Output2
IN2+
+Input2
IN2-
-Input2
NC
No Connect
IN1-
-Input1
IN1+
+Input1
2
1
3
4
5
6
7
8
9
4
5
6
7
8
9
10
Symbol
Function
5
6
DK-AP2/DK-AP2(BK)
6 – 2
IC102 VHiNJM2115V-1 : DUAL OPERATiONAL AMPLiFiER (NJM2115)
1
2
3
4
5
2 1 1 5
J R C
6
7
8
PIN FUNCTION
1. A OUTPUT
2. A-INPUT
3. A+INPUT
4. V -
5. B+ INPUT
6. B- INPUT
7. B OUTPUT
8. V +
1
Device No. (2115)
2 Last Digit Year
3 Lot No.
4 Manufacturer’s Symbol (JRC)
A
-
+
B
-
+
(TOP VIEW)
MARK SPECIFICATION
PIN COFIGURATION
1
2
3
4
DK-AP2/DK-AP2(BK)
6 – 3
IC600 VHiNJU26040-1 : DiGiTAL SOUND PROCESSOR ( NJU26040 ) ( 1 / 2 )
AD1/SDIN
BLOCK DIAGRAM
PIN CONFIGURATION
SCL/SCK
SDA/SDOUT
RESETb
MCK
CLKOUT
CLK
SERIAL
HOST
INTERFACE
24bit Fixed-point DSP Core
SERIAL AUDIO
INTERFACE
ALU
PROGRAM
CONTROL
24-BIT x 24-BIT
MULTIPLIER
ADDRESS GENERATION UNIT
TIMING
GENERATOR
DATA
RAM
FIRMWARE
OTP/RAM
General I/O
INTERFACE
AD2/SSb
GPIO3
LRI
BCKI
SDO2
SDO1
SDI
[2:0]
[2:0]
SDO0
LR0
BCK0
GPIO2
GPIO1
GPIO0
VDD
1
SDA / SDOUT
2
SCL / SCK
3
AD1 / SDIN
4
AD2 / SSb
5
RESETb
6
VDD
7
VDD
8
VSS
9
CLKOUT
10
CLK
11
SDI2
12
SDI1
13
SDI0
14
LRI
15
BCKI
16
VSS
32
TEST
31
TEST
30
GPIO0
29
GPIO1
28
GPIO2
27
GPIO3 / TEST
26
VDD
25
VSS
24
TEST
23
MCK
22
SDO2
21
SDO1
20
SDO0
19
LRO
18
BCKO
17
DK-AP2/DK-AP2(BK)
6 – 4
IC2 VHiNJU26040-1: DiGiTAL SOUND PROCESSOR (NJU26040) (2/2)
PIN DESCRIPTION
Pin No.
Symbol
I/O
Description
1, 7, 8, 25
VDD
–
Power Supply +3.3V
2
SDA / SDOUT
OD
I
2
C I/O / 4-Wire Serial Output
This pin requires a pull-up resistance in both I
2
C bus and 4-Wire serial mode.
3
SCL / SCK
I
I
2
C Clock / Serial Clock
4
AD1 / SDIN
I
I
2
C Address / Serial Input
5
AD2 / SSb
I
I
2
C Address / Serial Enable
6
RESETb
I
Reset (RESETb=‘Low’ : DSP Reset)
9, 24, 32
VSS
–
GND
10
CLKOUT
O
OSC Output
11
CLK
I
OSC Clock Input
12
SDI2
I
Audio Data Input 2
13
SDI1
I
Audio Data Input 1
14
SDI0
I
Audio Data Input 0
15
LRI
I
LR Clock Input
16
BCKI
I
Bit Clock Input
17
BCKO
O
Bit Clock Output
18
LRO
O
LR Clock Output
19
SDO0
O
Audio Data Output 0
20
SDO1
O
Audio Data Output 1
21
SDO2
O
Audio Data Output 2
22
MCK
O
Master Clock Output for A/D, D/A
23, 30, 31
TEST
I –
for Test (connected to VSS)
26
GPIO3 / TEST
I/O +
General Purpose IO 3 / for Test (Not connected : OPEN)
27
GPIO2
I/O –
General Purpose IO 2
28
GPIO1
I/O –
General Purpose IO 1
29
GPIO0
I/O –
General Purpose IO 0
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