CMT-BT60, CMT-BT60B, CMT-BT80W, CMT-BT80WB - Sony Audio Service Manual (repair manual). Page 56

1

MTK DOUT

O

Serial data output to the servo/audio processor

2

MTK CLK

I

Serial data transfer clock signal input from the servo/audio processor

3

MTK RESET

O

Reset signal output to the servo/audio processor    “L”: reset

4

SIRCS

I

SIRCS signal input from remote control receiver

5

BCO SPI DOUT

O

Serial data output to the WiFi module (CMT-BT80W/BT80WB only)

6

BCO SPI DIN

I

Serial data input from the WiFi module (CMT-BT80W/BT80WB only)

7

BCO SPI CLK

O

Serial data transfer clock signal output to the WiFi module (CMT-BT80W/BT80WB only)

8

BYTE

I

External data bus width selection signal input terminal

9

CNVss

I

Processor mode selection signal input terminal

10

Xcin

I

Sub system clock input terminal (32.768 kHz)

11

Xcout

O

Sub system clock output terminal (32.768 kHz)

12

RESET

I

System reset signal input terminal    “L”: reset    
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”

13

Xout

O

Main system clock output terminal (5 MHz)

14

Vss

-

Ground terminal

15

Xin

I

Main system clock input terminal (5 MHz)

16

Vcc

-

Power supply terminal (+3.3V)

17

NMI

I

Non-maskable interrupt signal input terminal    Not used

18

NFC RFDET

I

RF detection signal input from the NFC

19

BCO WOL IN

I

Wake on LAN signal input from the WiFi module (CMT-BT80W/BT80WB only)

20

AC-CUT

I

AC cut on/off detection signal input terminal    “L”: AC cut on

21

BCO SPI READY

I

Ready signal input from the WiFi module (CMT-BT80W/BT80WB only)

22

CP IIC CLK

I/O

Two-way I2C clock signal bus with the MFI (CMT-BT80W/BT80WB only)

23

CP RESET

O

Reset signal output to the MFI    “L”: reset (CMT-BT80W/BT80WB only)

24

CP IIC SDA

I/O

Two-way I2C data bus with the MFI (CMT-BT80W/BT80WB only)

25

BT SPI CS

O

Chip select signal output to the WiFi module (CMT-BT80W/BT80WB only)

26

ILLUM LED BL

O

LED drive signal output terminal for the effect indicator LED (blue color)    “H”: LED on

27

BCO_SPI_REQ

I

Request signal input from the WiFi module (CMT-BT80W/BT80WB only)

28

ILLUM LED WT

O

LED drive signal output terminal for the effect indicator LED (white color)    “H”: LED on

29

IIC CLK

I/O

Two-way I2C clock signal bus terminal    Not used

30

IIC DATA

I/O

Two-way I2C data bus terminal    Not used

31

TUNER SDA/

DAB TxD-OUT

I/O

Two-way I2C data bus with the TUNER board (CMT-BT60/BT80W)
Serial data output to the DAB board (CMT-BT60B/BT80WB)

32

TUNER SCL/

DAB RxD-IN

I/O

Serial data transfer clock signal output to the TUNER board (CMT-BT60/BT80W)
Serial data input from the DAB board (CMT-BT60B/BT80WB)

33

RDS INT/

DAB POWER-3.3V

I/O

RDS interrupt signal input from the TUNER board (CMT-BT60/BT80W)
+3.3V power on/off control signal output to the DAB board for the DAB tuner section    
“H”: power on (CMT-BT60B/BT80WB)

34

TUNER POWER/

DAB POWER-1.2V

O

Power on/off control signal output to the TUNER board for the tuner section    “H”: power on 
 (CMT-BT60/BT80W)
+1.2V power on/off control signal output to the DAB board for the DAB tuner section    
“H”: power on (CMT-BT60B/BT80WB)

35

BT TxD-OUT

O

Serial data output to the Bluetooth module

36

BT RxD-IN

I

Serial data input from the Bluetooth module

37

BT CTS

I

Clear to send signal input from the Bluetooth module

38

BT RTS

O

Return to send signal output to the Bluetooth module

39

BT POWER

O

Power on/off control signal output terminal for the Bluetooth section    “H”: power on

40

BT RESET

O

Reset signal output to the Bluetooth module    “L”: reset

41

NFC SW

O

Standby control signal output to the NFC

42

USB-OC

I

USB VBUS power over current detection signal input terminal

43

USB-POWER

O

USB VBUS power on/off control signal output terminal    “H”: power on

44

CP SELECT

O

CP bus selection signal output terminal (CMT-BT80W/BT80WB only)

45

BCO RESET

O

Reset signal output to the WiFi module    “L”: reset (CMT-BT80W/BT80WB only)

46

NFC SPICLK

O

Serial data transfer clock signal output to the NFC

47

WM TxD OUT

O

Serial data output to the WALKMAN port (CMT-BT60: Chinese model only)

48

WM RxD IN

I

Serial data input from the WALKMAN port (CMT-BT60: Chinese model only)

49

WM SLEEP IN

I

Sleep detection signal input from the WALKMAN port (CMT-BT60: Chinese model only)