Sony STR-KM3 - Page 52

STR-KM2/KM3
52
• IC Pin Function Descriptions
DIGITAL AUDIO BOARD (2/4) IC2105 MB90F058PF-G-NNE1 (SYSTEM CONTROL)
Pin No. Pin Name I/O Description
1 PROTECT I Protect detection signal input terminal
2 HDMI_MUTE O Audio mute output for HDMI signal (KM3)
3 IO_EX_CLK O I/O Expander Clock (P01 pull low for programming)
4 TUNER_CE O Chip enable for Tuner IC
5 TUN_RDS_SIGNAL I/O RDS signal detection
6 TUNER_MOSI I/O Serial data output to the tuner (FM/AM)
7 TUNER_CLK O Serial clock signal output for tuner pack
8 IO_EX_LAT O I/O Expander storage register clock
9 IO_EX_DATA O I/O Expander Data (P00 pull low for programming)
10 IO_EX_OE O I/O Expander output enable
11 POWER_KEY I Power key detection signal input
12 SIRCS_IN I SIRCS signal input
13 NO_USE - Not Used
14 NO_USE - Not Used
15 VCC - Power supply pin
16 VSS - Power supply pin (GND)
17 C - Regulator stabilization capacity connecting pin
18 DSP_MISO I Serial data input from DSP EX3 IC
19 DSP_MOSI O Serial data output to DSP EX3 IC
20 DSP_SPICLK O Serial data transfer clock signal output for DSP EX3 IC
21 FL_LAT O Latch signal output for FL DISPLAY DRIVER IC
22 FL_DATA O Serial data output for FL DISPLAY DRIVER IC
23 FL_CLK O Clock signal output for FL DISPLAY DRIVER IC
24 VERSION I Destination detection signal input (L: US, Canadian model, H: AEP model)
25 FAN_CTRL O Fan ON/OFF Control
26 TEMP_SENSOR_1 I Thermal detection signal input from the thermal sensor
27 TEMP_SENSOR_2 I Thermal detection signal input from the thermal sensor
28 LIMITER I Limiter signal input
29 VACS_CTRL I VACS Control signal input terminal
30 VOLUME_JOG I MASTER VOLUME encoder signal input
31 INPUT_JOG I Function encoder signal input
32 AVCC - A/D converter power supply pin
33 AVRH - A/D converter external reference power
34 AD_KEY1 I Key signal input (A/D port)
35 AVSS/AVRL - A/D converter power supply pin
36 AD_KEY2 I Key signal input (A/D port)
37 USB_OVC I USB: Overcurrent Detection
38 USB_RESET O USB: RESET for USB Device BU81459KV
39 USB_IPOD_REQ I USB: IRPTO (notifi cation that USB confi guration description is connected) from USB Device
40 USB_BUSY I BUSY signal communication between USB board
41 HDMI_TX5V-POW O 5V Power for HDMI Tx Device (KM3)
42 TX_RESET O HDMI: RESET for HDMI-Tx Device (KM3)
43 RX_RESET O HDMI: RESET for HDMI-Rx Device (KM3)
44 VSS - Power Supply
45 PCONT_HDMI O HDMI Power Control (KM3)
46 HDMI_CECOUT O CEC serial data output to the HDMI connector (KM3)
47 HDMI_CECIN I CEC serial data input from the HDMI connector (KM3)
48 USB_MCHNG I USB: MCHNG (change of music fi le being playback) from USB Device BU81459KV
49 USB_SDA I/O USB: Communication Line 12C SDA
50 USB_SCL O USB: Communication Line 12C SDL
51 MD2 - Operation mode specifi cation input pin
Ver. 1.2