Description Of Ic Terminal - Alpine MRD-M501 Service Manual

Description of IC Terminal

TMP86PM47U :
IC301
No. Symbol
1 VSS
2 XIN
3 XOUT
4 TEST
5 VDD
6 I2C_SDA
7 I2C_SCL
8 RESET
9 BAT_DET
10 I_LIMIT
11 V_DET_ SEL
12 DSP_RST
13 MDL_SEL1
14 CMD_DOUT
15 CMD_DIN
16 CMD_CLK
17 MDL_SEL2
18 POWER_P1
19 POWER_P2
20 POWER_P3
21 HU_LINK_CLK
22 HU_LINK
23 VOLT_DET
24 NC(PULL-DOWN)
25 OUT_THRM
26 AD_KEY
27 AD_BASS
28 AD_VOLT
29 AD_CURR
30 AD_THRM
31 AD_THRM_DET
32 AD_COMBASS
33 AD_IN_LV
34 VAREF
35 AVDD
36 AVSS
37 IN_CH
38 PWM_PDN
39 PWM_STBY
40 PWM_MUTE
41 VFD_CLK
42 VFD_SD
43 VFD_BL
44 VFD_LH
I/O
I GND connect terminal of A/D converter.
I
Crystal OSC connect terminal.
O
I TEST terminal.
I Power supply terminal. (4.5 to 5.5V)
O I2C-SDA output terminal.
O I2C-SCL output terminal.
I RESET terminal.
I BAT-DET terminal.
I I_LIMIT input terminal.
O VOLT-DET circuit ON/OFF terminal.
O DSP-RESET output terminal.
I Model distinction input terminal.
O Outer commander data output terminal.
I Outer commander data input terminal.
I Outer commander clock terminal.
I Model distinction input terminal.
O Power supply circuit control signal output terminal.
O HU LINK indicator clock output terminal.
O HU LINK indicator output terminal.
I VOLT-DET terminal.
- Pull-down connect terminal.
I Output Thermal detect1
I KEY level input terminal.
I Gain level input terminal. (Bass Knob)
I Voltage signal input terminal.
I Current signal input terminal.
I Temperature signal input terminal.
I Temperature detect input terminal.
O Gain level input terminal. (Commander)
I Input level signal input terminal.
I Analog standard voltage terminal.
- Analog power supply terminal of A/D converter.
- GND connect terminal of A/D converter.
O PWM-1/1+2 select output terminal.
I PWM-PDN input terminal.
O PWM-STAND-BY output terminal.
O PWM-MUTE output terminal.
O VFD driver synchronous clock output terminal.
O VFD driver transmission data output terminal.
O VFD driver blank output output terminal.
O VFD driver latch & hold output terminal.
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Terminal Description
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