JVC XM-PX50WT Service Manual page 17

2.Pin function(2)
Symbol I/O
Pin No.
E-1 XLAT I
E-2 SRDT O
E-3 SENS O
F-1 VSC0 -
F-2 SQSY O
F-3 XRST I
G-1 DQSY O
G-2 XINT O
G-3 RPWR I
H-1 TX I
H-2 OSCI I
H-3 VDIOSC -
J-1 OSCO O
J-2 DVSS0 -
J-3 DVDD0 -
K-1 VSIOSC -
K-2 AOUTL O
K-3 DAVDDL -
L-1 DAVSSL -
L-2 VREFL O
L-3 DAVDDR -
M-1 DAVSSR -
M-2 AOUTR O
M-3 VREFR O
N-1 VSC1 -
N-2 XTSL I
N-3 TST1 I
P-1 DIN1 I
P-2 DOUT O
P-3 VDC1 -
U-1 DAPWMLN O
T-1 DAPWMLP O
R-1 VSIO0 -
U-2 DAPWMRP O
T-2 MTFLGR O
R-2 MTFLGL O
U-3 TST7 I
T-3 DATAI I
R-3 TST0 O
U-4 ADDT I
T-4 TST8 I
R-4 VDIO0 -
U-5 LRCK O
T-5 DADT O
R-5 VDC2 -
U-6 VSC2 -
T-6 XBCK O
R-6 F256 O
U-7 A02 O
T-7 A04 O
R-7 A03 O
U-8 A06 O
T-8 A01 O
R-8 A05 O
Function
Micon serial bus latch input
Micon serial bus data read out output
Internal output of micon serial bus address
Internal logic GND
PTGR=0 ADIPsink output / PTGR=1 DISC SUB-Q sink output
Reset input L:reset
Ubit SUB-Q sink output from digital audio input from MD or CD
Request status output L:request status
Laser power select input (H=rec power / L=playback power)
Output permit input of recorded data
X'tal osc circuit input
OSC sel VDD (2.5V)
X'tal osc circuit output
Internal 16bit DRAM GND
Internal 16bit DRAM GND
OSC sel GND
Internal DAC Lch output
Internal DAC VDD (Lch,2.5V)
Internal DAC GND
Internal DAC GND VREF(Lch)
Internal DAC VDD (Rch,2.5V)
Internal DAC GND (Rch)
Internal DAC Rch output
Internal DAC VREF (Rch)
Internal logic GND
X'tal frequency select (L=45.1584MHz/H=22.5792MHz)
Test terminal Connect to GND
Digital audio input Outer I/F mode EXRQ input
Digital audio output
Internal logic VDD (1.8V)
Internal DAC PWM output L-
Internal DAC PWM output L+
2.5V I/O VSS
Internal DAC PWM output R+
Internal DAC zero detect flag (Rch)
Internal DAC zero detect flag (Lch)
Test terminal Connect to GND
Serial data input
Open
Data input from A/D converter
Test terminal Connect to GND
2.5V I/O VDD
LR clock(44.1kHz) for A/D, internal DAC
Data output for internal DAC / Internal DAC PWM output R-
Internal logic VDD (1.8V)
Internal logic GND
A/D, internal DAC bit clock (2.8224MHz)
11.2896MHz clock output (X'tal)
External DRAM address output
External DRAM address output
External DRAM address output
External DRAM address output
External DRAM address output
External DRAM address output
XM-PX50WT
1-17