HAP-S1
102
Pin No. Pin Name I/O Description
1 VCC - Power supply terminal (+3.3V)
2 HP DETECT I Headphone insert detection signal input terminal “L”: headphone is inserted
3 HP RELAY O Relay drive signal (for headphone) output terminal “H”: relay on
4 SPK RELAY O Relay drive signal (for speaker) output terminal “H”: relay on
5 PROTECT I Protect detection signal input terminal “L”: protect is detected
6 COM DATA O Serial data output to the electrical volume
7 COM CLK O Serial data transfer clock signal output to the electrical volume
8 CS O Chip select signal output to the electrical volume
9 AMUTE O Audio muting on/off control signal output terminal “L”: muting on
10 POWER_RY O Relay drive signal (for main power) output terminal “H”: relay on
11 AC_STOP_STBY I AC cut detection signal (for sub power) input terminal “H”: AC cut is detected
12 AC_STOP_MAIN I AC cut detection signal (for main power) input terminal “H”: AC cut is detected
13 DCDC_EN O
DC/DC converter on/off control signal output terminal for the hard disk drive and VBUS power
“H”: DC/DC converter on
14 NC - Not used
15 DIR_REG_EN O Regulator on/off control signal output terminal for the digital circuit “H”: Regulator on
16 DIR_SEL O
Audio selection signal output terminal
“L”: FPGA audio, “H”: digital audio interface receiver audio
17 NC - Not used
18 DIR_ST_DATA I Audio data input from the digital audio interface receiver
19 DIR_INT I Interrupt signal input from the digital audio interface receiver
20 DIR_NPCLM I No-LPCM signal input from the digital audio interface receiver
21 to 24 NC - Not used
25 VSS - Ground terminal
26 VCC - Power supply terminal (+3.3V)
27 DIR_MISO I Serial data input from the digital audio interface receiver
28 DIR_MOSI O Serial data output to the digital audio interface receiver
29 DIR_SCK O Serial data transfer clock signal output to the digital audio interface receiver
30 DIR_CE O Chip enable signal output to the digital audio interface receiver
31 DIR_ERROR I Error signal input from the digital audio interface receiver “L”: error
32 DIR_CKST I
Data muting on/off control signal input from the digital audio interface receiver
“L”: muting on
33 C - Regulator stabilization capacitor connection terminal
34 VSS - Ground terminal
35 VCC - Power supply terminal (+3.3V)
36 DIR_RESET O Reset signal output to the digital audio interface receiver “L”: reset
37 POWER_EN O Power on/off control signal output terminal for the MPU power “H”: power on
38 SYS RESET I
System reset signal input from the MPU and reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
39 UART MPU/SYS I Serial data input from the MPU
40 UART SYS/MPU O Serial data output to the MPU
41 MPU RESET O Reset signal output to the MPU “L”: reset
42 to 45 NC - Not used
46 MD1 I Fixed at “L”
47 MD0 I Update signal input from the MPU “H”: update
48 XTALO O System clock output terminal (4 MHz)
49 XTALI I System clock input terminal (4 MHz)
50 VSS - Ground terminal
51 VCC - Power supply terminal (+3.3V)
52 VOL JOG+ I Jog dial pulse (positive) input from the rotary encoder (for VOLUME)
53 VOL JOG– I Jog dial pulse (negative) input from the rotary encoder (for VOLUME)
54 SEL JOG+ I Jog dial pulse (positive) input from the rotary encoder (for selector)
55 SEL JOG– I Jog dial pulse (negative) input from the rotary encoder (for selector)
56 DSEE LED O LED drive signal output terminal for the DSEE indicator “H”: LED on
57 NC - Not used
58 AD KEY1 I BACK and ENTER key input terminal (A/D input)
59 AD KEY2 I HOME key input terminal (A/D input)
60 AVCC - Power supply terminal (+3.3V)
61 AVRH I Reference voltage (+3.3V) input terminal
U-COM BOARD IC5006 MB9AF156NPMC-G-JNE2 (SYSTEM CONTROLLER)
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