jedyne do czego mogę mieć zastrzeżenie to jakość zdjęć zawartych w przesłanej instrukcji serwisowej ponieważ są fatalnej jakości, praktycznie nieczytelne. tak poza tym jestem zadowolony to jest to czego szukałem.
Instrukcja bardzo czytelna. zawiera co potrzeba. Polecam
Tekstowy podgląd strony 11 (kliknij aby zobaczyć)
051-9126-00
BS62LV1024STI-70
128 x 8 bit SRAM
051-6709-90
PCM1792DBR
24bit 192kHz DA Converter
Terminal Description pin 1: A 11 pin pin pin pin pin pin pin 2: A 9 3: A 8 4: A 13 5: WE_ 6: CE 2 7: A 15 8: VCC
1 VCC NC 16
: IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Write enable signal input. : IN : The chip enable signal input. : IN : Address signal input. : - : Positive voltage supply. : - : Not in use. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. : IN : Address signal input. :I/O: Data input/output. :I/O: Data input/output. :I/O: Data input/output. : - : Ground. :I/O: Data input/output. :I/O: Data input/output. :I/O: Data input/output. :I/O: Data input/output. :I/O: Data input/output. : IN : The chip enable signal input. : IN : Address signal input. : IN : Output enable signal input.
8 GND 9 7 10 6 11 5 12 4 NC 13 3 14
Terminal Description pin 1: ZERO L pin pin pin pin pin pin pin pin 2: ZERO R 3: M SEL 4: LR CK IN 5: DATA IN 6: B CK IN 7: SCK 8: D GND 9: D VDD
: O : ZERO flag output for Left channel. : O : ZERO flag output for Right channel. : IN : I2C/SPI_ select. : IN : Left/Right clock input. : IN : Serial data input. : IN : Bit clock input. : IN : The system clock pulse input. : - : Digital ground. : - : Positive voltage supply for the digital section. : IN : Chip select for mode control. : IN : Mode control data input. : IN : Mode control clock input. : O : Mode control read back data output. : IN : Reset signal input. : - : Positive voltage supply for the internal analog section. : - : Analog ground. : O : Right channel analog signal current output +. : O : Right channel analog signal current output -. : - : Analog ground. : - : Output current bias. : - : Right channel internal bias. : - : Left channel internal bias. : - : Positive voltage supply for the internal analog section. : - : Analog ground. : O : Left channel analog signal current output +. : O : Left channel analog signal current output . : - : Analog ground. : - : Positive voltage supply for the internal analog section.
2 7 1 VCC 8
pin 9: NU pin 10: A 16 pin 11: A 14 pin 12: A 12 pin 13: A 7 pin 14: A 6 pin 15: A 5 pin 16: A 4 pin 17: A 3 pin 18: A 2 pin 19: A 1 pin 20: A 0 pin 21: D 0 pin 22: D 1 pin 23: D 2 pin 24: GND pin 25: D 3 pin 26: D 4 pin 27: D 5 pin 28: D 6 pin 29: D 7 pin 30: CE 1_ pin 31: A 10 pin 32: OE_ Truth Table
WE_ (pin 5) x x H H L
: IN : Address signal input.
pin 10: MS pin 11: MDI pin 12: MC pin 13: MD pin 14: RSTI pin 15: A VCC pin 16: A GND pin 17: I out R+ pin 18: I out Rpin 19: A GND pin 20: Iref pin 21: V com R pin 22: V com L pin 23: A VCC pin 24: A GND pin 25: I out L+ pin 26: I out Lpin 27: A GND pin 28: A VCC
CE 1_ (pin 30) H x L L L
CE 2 (pin 6) x L H H H
OE_ (pin 32) x x H L x
I/O Operation High Z High Z High Z data out data in