Read Sony HT-K250 / SA-WMSP250 Service Manual online
21
SA-WMSP250
Pin No.
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93 to 97
98
99
100
I/O
O
O
I
—
—
—
—
—
—
—
—
—
I
O
O
I
O
O
—
I
I
I
Pin Name
PWCNT2
PWCNT1
RSTX
P57
X1A
X0A
VSS
X0
X1
VCC3
P00
NC
GP9
BST
HCS
HACN
XRST
PM
P10 to P14
ERROR
XSTATE
DATAO
Description
Power supply (12V, 6.2V) control signal output to the power supply “H” : +12V and +6.2V ON
Power supply ON/OFF control signal output to the power supply “H” : ON
Reset signal input
General purpose I/O port Not used (ground)
32kHz oscillator terminal
32kHz oscillator terminal
Ground
Oscillator terminal
Oscillator terminal
Power supply
General purpose I/O port Not used (ground)
General purpose I/O port Not used (ground)
GP9 signal input from the DSP (IC605)
Boot strap signal output to the DSP (IC605)
Chip select signal output to the DSP (IC605)
Acknowledge signal input from the DSP (IC605)
Reset signal output to the DSP (IC605)
PLL initialization signal output to the DSP (IC605)
General purpose I/O port Not used (ground)
Error signal input from the DIR (IC606)
XSTATE signal input from the DIR (IC606)
Data existence check signal input from the DIR (IC606)
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