Yamaha PDX 30 - Portable Speakers With Digital Player..., Service Manual, Page: 15 / 34

15
PDX-30/PDX-50
PDX-30/PDX-50
Pin
No.
Port Name Function Name I/O
Detail of Function
PDX-30 PDX-50
1 N.C.
2 P3_5/SCL/SSCK I2C_SCL O
Verification chip (SCL)/
(EEPROM)
Wireless module (SCL)
3 P3_3/SSI −
4 P3_4/SDA/SCS I2C_SDA I/O
Verification chip (SDA)/
(EEPROM)
Wireless module (SDA)
5 MODE MODE_E8A I For Flash writing For Flash writing
6 P4_3/XCIN − I
7 P4_4/XCOUT
−
I
8 RESET N_RESET O RESET RESET
9 XOUT/P4_7 XL1 20 MHz 20 MHz
10 VSS/AVSS VSS
11 P4_6/XIN XL1 20 MHz 20 MHz
12 VCC/AVCC VCC
13 P2_7/TRDIOD1 CTL_+VA O Selector ( + VA) Selector ( + VA)
14 P2_6/TRDIOC1 SCK_VOL O Selector Selector
15 P2_5/TRDIOB1 SCO_VOL O Selector Selector
16 P2_4/TRDIOA1 NCS_VOL O Selector Selector
17 P2_3/TRDIOD0 − I
18 P2_2/TRDIOC0
−
I
19 P2_1/TRDIOB0 CTL_LED ２ O STATUS indicator green STATUS indicator green
20 P2_0/TRDIOA0/TRDCLK CTL_LED1 O STATUS indicator red STATUS indicator red
21 P1_7/TRAIO/INT1 ADB_INT I Wireless module (INT)
22 P1_6/CLK0 DET_TEST I Speaker TEST Speaker TEST
23
P1_5/RXD0/(TRAIO)/
(INT1)
TXD-IPOD I iPod (RXD)
24 P1_4/TXD0 RXD-IPOD O iPod (TXD)
25 P1_3/KI3/AN11 DET_MODEL I PDX-30 (H) / PDX-50 (L) PDX-30 (H) / PDX-50 (L)
26 N.C.
27 P4_5/INT0 IR_IN I Remote control
28 P6_6/INT2/TXD1 SPI_SIMO O For E8A (TX) For E8A (TX)
29 P6_7/INT3/RXD1 SPI_SOMI I For E8A (RX) For E8A (RX)
30 P1_2/KI2/AN10 NRESET_CP O Verification chip (RESET)
31 P1_1/KI1/AN9 KEY_VOL- I Volume down Volume down
32 P1_0/KI0/AN8 I Volume up Volume up
33 P3_1/TRBO ADB_RESET O Wireless module (RESET)
34 P3_0/TRAO NDET_PROT I DAMP (PROT) DAMP (PROT)
35 P6_5/CLK1 SPI_CLK O