Clarion DRZ9255 Service Manual page 11

051-9126-00 BS62LV1024STI-70
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
(pin 5) (pin 30) (pin 6)
x H x
x x L
H L H
H L H
L L H
051-7285-08 CD74HC4050PWR
051-3232-90 uPD29M33T
Terminal Description
pin 1: Input(power source)
pin 2: Ground
pin 3: Output
128 x 8 bit SRAM
OE_
(pin 32) I/O Operation
x High Z
x High Z
H High Z
L data out
x data in
Hex Buffer
3.3V Voltage Regulator
- 11 -
051-6709-90 PCM1792DBR
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 output +.
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.
051-3042-90 OPA2134UA
051-3012-90 OP275GS
24bit 192kHz DA Converter
Dual Operational Amplifier
Dual Operational Amplifier
DRZ9255
HX-D2