DRZ9255
HX-D2
- 11 -
051-9126-00
BS62LV1024STI-70
128 x 8 bit SRAM
Terminal Description
pin
1: A 11
: IN : Address signal input.
pin
2: A 9
: IN : Address signal input.
pin
3: A 8
: IN : Address signal input.
pin
4: A 13
: IN : Address signal input.
pin
5: WE_
: IN : Write enable signal input.
pin
6: CE 2
: IN : The chip enable signal input.
pin
7: A 15
: IN : Address signal input.
pin
8: VCC
: - : Positive voltage supply.
pin
9: NU
: - : Not in use.
pin 10: A 16
: IN : Address signal input.
pin 11: A 14
: IN : Address signal input.
pin 12: A 12
: IN : Address signal input.
pin 13: A 7
: IN : Address signal input.
pin 14: A 6
: IN : Address signal input.
pin 15: A 5
: IN : Address signal input.
pin 16: A 4
: IN : Address signal input.
pin 17: A 3
: IN : Address signal input.
pin 18: A 2
: IN : Address signal input.
pin 19: A 1
: IN : Address signal input.
pin 20: A 0
: IN : Address signal input.
pin 21: D 0
:I/O: Data input/output.
pin 22: D 1
:I/O: Data input/output.
pin 23: D 2
:I/O: Data input/output.
pin 24: GND
: - : Ground.
pin 25: D 3
:I/O: Data input/output.
pin 26: D 4
:I/O: Data input/output.
pin 27: D 5
:I/O: Data input/output.
pin 28: D 6
:I/O: Data input/output.
pin 29: D 7
:I/O: Data input/output.
pin 30: CE 1_
: IN : The chip enable signal input.
pin 31: A 10
: IN : Address signal input.
pin 32: OE_
: IN : Output enable signal input.
Truth Table
WE_
CE 1_
CE 2
OE_
(pin 5)
(pin 30)
(pin 6)
(pin 32)
I/O Operation
x
H
x
x
High Z
x
x
L
x
High Z
H
L
H
H
High Z
H
L
H
L
data out
L
L
H
x
data in
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
GND
NC
NC
VCC
051-7285-08
CD74HC4050PWR
Hex Buffer
051-6709-90
PCM1792DBR
24bit 192kHz DA Converter
Terminal Description
pin
1: ZERO L
: O : ZERO flag output for Left channel.
pin
2: ZERO R
: O : ZERO flag output for Right channel.
pin
3: M SEL
: IN : I2C/SPI_ select.
pin
4: LR CK IN
: IN : Left/Right clock input.
pin
5: DATA IN
: IN : Serial data input.
pin
6: B CK IN
: IN : Bit clock input.
pin
7: SCK
: IN : The system clock pulse input.
pin
8: D GND
: - : Digital ground.
pin
9: D VDD
: - : Positive voltage supply for the digital sec-
tion.
pin 10: MS
: IN : Chip select for mode control.
pin 11: MDI
: IN : Mode control data input.
pin 12: MC
: IN : Mode control clock input.
pin 13: MD
: O : Mode control read back data output.
pin 14: RSTI
: IN : Reset signal input.
pin 15: A VCC
: - : Positive voltage supply for the internal an-
alog section.
pin 16: A GND
: - : Analog ground.
pin 17: I out R+
: O : Right channel analog signal current output
+.
pin 18: I out R-
: O : Right channel analog signal current output
-.
pin 19: A GND
: - : Analog ground.
pin 20: Iref
: - : Output current bias.
pin 21: V com R
: - : Right channel internal bias.
pin 22: V com L
: - : Left channel internal bias.
pin 23: A VCC
: - : Positive voltage supply for the internal an-
alog section.
pin 24: A GND
: - : Analog ground.
pin 25: I out L+
: O : Left channel analog signal current .
pin 26: I out L-
: O : Left channel analog signal current output -
.
pin 27: A GND
: - : Analog ground.
pin 28: A VCC
: - : Positive voltage supply for the internal an-
alog section.
1
2
3
4
VEE
VCC
8
7
6
5
051-3042-90
OPA2134UA
Dual Operational Amplifier
051-3232-90
uPD29M33T
3.3V Voltage Regulator
Terminal Description
pin
1: Input(power source)
pin
2: Ground
pin
3: Output
051-3012-90
OP275GS
Dual Operational Amplifier
1
2
3
4
VEE
VCC
8
7
6
5