Panasonic CQ-C3405U

6
4.1.2. Display Block
IC901 : C0HBA0000195
83 EEP-ROM
DI/DO
Serial data for EEPROM I/O 0 0 0
84 EEP-ROM
CS
Chip select for EEPROM O 0 0 0
85 EEP-ROM
CLOCK
Serial clock for EEPROM O 0 0 0
86 ANT CNT Not connected - 5.0 5.0 0
87 VREG Connected to capacitor - 3.0 3.0 3.0
88 VSS Ground - 0 0 0
89 VDD (PLL) +5V power supply - 5.0 5.0 5.0
90 OSC FM/
AM
FM/AM local oscillation
frequency
I1.31.30
91 N.C. Ground - 0 0 0
92 FM/AM IFC FM/AM center frequency
input
I000
93 N.C. Ground - 0 0 0
94 EO FM/AM phase detection
error output
O2.22.2 0
95 SUBPD Not connected - 0 0 0
96 RDS DATA Not connected - 0 0 0
97 SSC SD sensitivity control O 0 0 0
98 AMP CNT Power supply control for
External amplifier
O 4.8 4.8 4.8
99 AF MUTE Audio signal mute O 5.0 5.0 5.0
100 AMP MUTE Mute for Power amplifier O 5.0 5.0 5.0
Pin No. Port Description I/O (V)
1 SEG1/P1 Not connected - -
2 SEG2/P2 LED ON/OFF signal O 4.7
3-39 SEG3-39 LCD segment data O 2.4
40-43 COM1-4 LCD common O 2.4
44,45 SEG40,41 LCD segment data O 2.4
46-49 KS3-6 Key scan O 4.7
50-54 Kl1-5 Key data I 0
55 TEST (Connecting to ground) - 0
56 VDD +5V power supply - 4.7
57 VDD1 VDD1 filter terminal - 3.1
58 VDD2 VDD2 filter terminal - 1.6
59 VSS Ground - 0
60 OSC Oscillator terminal - 3.7
61 DO Key data output O 4.7
62 CE LCD driver chip enable I 0
63 CLK LCD clock I 4.7
64 DI LCD data I 4.7
Pin
No
Port Description I/O Vol [V]
FM AM CD