Aiwa AM-HX70, Руководство по обслуживанию

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– 14 –
A-1 – NC – Not connected.
A-2 – NC – Not connected.
A-3 3 MNT1 O Monitor output.
B-1 – NC – Not connected.
B-2 – NC – Not connected.
B-3 2 MNT0 I/O Monitor input/output.
C-1 5 MNT3 O Monitor output.
C-2 4 MNT2 O Monitor output.
C-3 – NC – Not connected.
D-1 7 SCLK I Microprocessor serial bus clock input.
D-2 6 SWDT I Microprocessor serial bus data writing input.
D-3 1 VDC0 – VDD for internal logic (1.8V).
E-1 8 XLAT I Microprocessor serial bus latch input.
E-2 10 SRDT O Microprocessor serial bus data reading output.
E-3 11 SENS O Internal state output to the microprocessor serial bus address.
F-1 9 VSC0 – GND for internal logic.
F-2 13 SQSY O
ADIP synch output when PTGR (ADRS = $3B, DATA1 - D7) = 0.
DISC SUB-Q synch output when PTGR = 1.
F-3 12 XRST I Reset input. Reset with “L”.
G-1 14 MTFLGL O Lch zero data detection flag output (Not used).
G-2 16 XINT O Interruption status output. “L” at interruption status.
G-3 15 TST1 I Test pin. Set to “L”.
H-1 17 TST2 I Test pin. Set to “L”.
H-2 19 OSCI I X’tal oscillation circuit input (OSCI pin reverse output).
H-3 18 VDIOSC – VDD for OSC cell (2.4V).
J-1 20 OSCO O X’tal oscillation circuit output.
J-2 – NC – Not connected.
J-3 – NC – Not connected.
K-1 21 VSIOSC – GND for OSC cell.
K-2 24 AOUTL O Built-in DAC Lch output.
K-3 25 DAV
DD
L – VDD for built-in DAC (Lch 2.4V).
L-1 22 DAV
SS
L – GND for built-in DAC (Lch).
L-2 23 VREFL O
Built-in DAC VREF (Lch).
(Connect to GND via a capacitor of approximately 1
µ
F).
L-3 26 DAV
DD
R – VDD for built-in DAC (Rch 2.4V).
M-1 29 DAV
SS
R – GND for built-in DAC (Rch).
M-2 27 AOUTR O Internal DAC Rch output.
M-3 28 VREFR O
Built-in DAC VREF (Rch) .
(Connect to GND via a capacitor of approximately 1
µ
F).
N-1 30 VSC1 – GND for internal logic.
Pin No. Circuit Pin No. Pin Name I/O Description
IC, CXD2665GA
IC DESCRIPTION
N-2 31 XTSL I Swith input frequency of OSCI pin.(Connected to VDD)