87
DEH-P840MP,P8400MP,P8450MP
Pin No.
Pin Name
I/O
Format
Function and Operation
76
AVREF
Input of reference voltage for A/D converter
77
VDSENS
Input of sensing short of VD power supply
78
DSCSNS
Input of sensing disc status
79
TEMP
Input of sensing information on temperature
80
HOME
I
Input of sensing Home SW
81
csens
I
Input of sensing the flap closed
82-85
NC
Connected to AVDD or AVSS via the resistor
86
WMAARI
I
Input of sensing existence of WMA decoder & DA I/F IC
87
DRAMARI
I
Input of sensing existence of external DRAM for CD LSI
88
testin
I
Input with starting test program for checking chips
89
NC
Connected to EVDD or EVSS via the resistor
90
xint
Input of interruption signals of CD LSI
91
wint
Input of interruption signals of WMA decoder
92
brst
I
Input of reset of P-Bus
93
ejsw
I
Input of Eject key
94-96
NC
Open
97
ROMDATA
I/O
/C
Input/output of E2PROM data
98
ROMCS
O
C
Output for chip selection of E2PROM
99
ROMCK
O
C
Output of clock of E2PROM
100
FRXD
I
For rewriting Flash EP-ROM (receiving signals)
30
31
50
80
81
100
1
*PE5269A
Format
Meaning
C
C MOS
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