Sony SPP-SS964, Руководство по обслуживанию

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Pin No. Pin Name I/O Function
56 IBIAS I Analog bias input terminal
57 AGND — Analog ground terminal
58 BATTERY I Battery voltage detection input terminal
59 AFC O
Not used (open)
60 AGC O
Auto gain control signal output to the RF unit
61 CALLER-ID O
Not used (open)
62 PARKP I
Charge detection input terminal “L”: charge on
63 VDDC —
Power supply terminal (+5V) (for core)
64 VSSP —
Ground terminal (for pad)
65 SYNDATA O
Synthesizer data output to the RF unit
66 SYNTH5MCLK O
Synthesizer reference oscillator output to the RF unit (9.62 MHz)
67 LCDRS O
Register selection signal output to the liquid crystal display unit (LCD501)
“L”: instruction register, “H”: data register
68 LED4 O
LED drive signal output terminal “L”: LED on Not used (open)
69 JOG (A) I
Jog dial pulse input of the rotary encoder (SW601) (A phase input)
70 JOG (B) I
Jog dial pulse input of the rotary encoder (SW601) (B phase input)
71 SYNCLK O
Synthesizer clock signal output to the RF unit
72 SYNSTB O
Synthesizer strobe signal output to the RF unit
73 VDDP —
Power supply terminal (+5V) (for pad)
74 VSSP —
Ground terminal (for pad)
75 SYNEN O
Synthesizer power control signal output to the RF unit “H”: enable
76 NVDI I/O
Two-way data bus with the EEPROM (IC502)
77 NVDO O
Clock signal output to the EEPROM (IC502)
78 LCDRW O
Data read/write selection signal output to the liquid crystal display unit (LCD501)
“L”: data write, “H”: data read
79 TXEN O
TX system enable signal output to the RF unit “H”: enable
80 TXPWR1 O
PA power selection signal output to the RF unit
81 GPIOB6 O
Not used (open)
82 TXRXSEL O
TX/RX selection signal output to the RF unit “L”: RX, “H”: TX
83 RINGOFF I
RING on/off switch (S501) input terminal “L”: ringer off, “H”: ringer on
84 BASEP I
Setting terminal for the base/handset selection
“L”: base unit, “H”: handset unit (CMOS receiver with pull-up)
85 TXPWR0 O
PA power selection signal output to the RF unit
86, 87
GPIOB5, GPIOB0
O
Not used (open)
88 GPIOA7 O
Muting control signal output for the speaker amplifier “H” active Not used (open)
89 LED1 O
LED drive signal output terminal “L”: LED on Not used (open)
90 VDDC —
Power supply terminal (+5V) (for core)
91 VSSC —
Ground terminal (for core)
92 LCDPWRP O
Power on/off control signal output for the liquid crystal display unit (LCD501)
“L”: power on, “H”: power off
93 SLEEP O
Not used (open)
94 GPIOB4 O
Not used (open)
95 NVCLK O
Not used (open)
96 RESETI I
System reset signal input from the reset signal generator (IC301) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
97 XTALI I
Main system clock input terminal (9.6 MHz)
98 XTALO O
Main system clock output terminal (9.6 MHz)
99 VDDP —
Power supply terminal (+5V) (for pad)
100 VSSP —
Ground terminal (for pad)