Pioneer SX-315, Service Manual

Page: 47 / 56

SX-315
47
5 6 7 8
5 6
7
8
C
D
F
A
B
E
No. Port Name Signal Name I/O Function
11 PE7/TO/ADJ NC
−
No Use
12 PC0/KR0 PLL_CE
−
Chip select signal for tuner control
13 PC1/KR2 PLL_DT_OUT I Data input signal for tuner control
14 PC2/KR2 PLL_CLK O Clock signal for tuner control
15 PC3/KR3 PLL_DT_IN O Data output signal for tuner control
16 PC4/KR4 NC
−
No Use
17 PC5/KR5 NC
−
No Use
18 PC6/KR6 DSP_SCDOUT O Data input signal for communication with DSP
19 PC7/KR7 DSP_CS O Chip select signal for communication with DSP
20 PB0/TxD TXD
−
No Use
21 PB1/CS0/RxD RXD
−
No Use
22 PB2/SCK0 DSP_DIR_SDIN O Data output signal for communication with DSP and DIR
23 PB3/SI0 DSP_DIR_SCCLK O Clock signal for communication with DSP and DIR
24 PB4/SO0 4588_CE O Chip select signal for communication with DIR/DAC
25 PB5/SCK1 4588_CDTO I Data input signal for communication with DIR/DAC
26 PB6/SI1 4588_PDN O Power down signal for DIR/DAC
27 PB7/SO1 HP_DET I HP Detect
28 PI0 +5V
−
Vdd connection (Connect to Vdd at no use)
29 PA0/AN0 M61540_CLK O Clock signal for VOLUME IC
30 PA1/AN1 M61540_DT O Data output signal for VOLUME IC
31 PA2/AN2 OPTION I OPTION
32 PA3/AN3 KEY1 I KEY1
33 PA4/AN4 KEY2 I KEY2
34 PA5/AN5 KEY3 I KEY3
35 PA6/AN6 EEPROM_CLK O Clock signal for EEPROM
36 PA7/AN7 EEPROM_DATA O Data output signal for EEPROM
37 PI1 +5V
−
Vdd connection (Connect to Vdd at no use)
38 RST RESET
−
39 EXRAL EXTAL
−
40 XTAL XTAL
−
41 VSS VSS
−
GND
42 PI2/TX TXD
−
43 PI3/TEX TEX
−
44 VDD VDD
−
VDD
45 VFDP VFDP
−
-VKK
46 PD0/A55 DSP_RESET
−
Reset signal for DSP
47 PD1/A54 DSP_INTREQ I Interrupt Request signal for DSP
48 PD2/A53 NC
−
Non Connection
49 PD3/A52 74HC151_B O Data select for Multiplexer
50 PD4/A51 74HC151_A O Data select for Multiplexer
51 PD5/A50 NC
−
No Use
52 PD6/A49 NC
−
No Use
53 PD7/A48 NC
−
No Use
54 PF0/A47 TU_MUTE O Tuner mute control
55 PF1/A46 DSP_MUTE O Dsp mute control