Sony SEQ-H3800 - Section 3 IC Pin Function

SECTION 3
IC PIN FUNCTION
¢ 1C601 HD6433258A64P
No | PinName [vO] Function
] A-SELO ie Selecting output of audio input
2 A-SELI zea Selecting output of audio input
1024 Hz input (from clock IC IC621 SPC5243)
zt aon Not used
| 9 | xXTAL [| _I_| Oscillator (20 MHz)
10 EXTAL J Oscillator (20 MHz)
1 MDI Operation mode setting (Fixed at L)
2 MDO
1
1 Operation mode setting (Fixed at L)
1 PD I To POWER DOWN detection circuit
Vv
3
4 cc Power supply (+5V)
6 SS
4
8
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1
1 Standby (Pull up)
1 =
1 I
V
TEST | Test pin (Pull up)
1 MODEO I Pull up GND
19 MODE1 I |. Pull up GND
20 A-POWER O | Analog power supply ON/OFF output
O
21 MUTE Muting output
2 KEY row selecting output
S
I
IO
Baa
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ee eee
26 D
27
28
Channel selection for IC460 TC35095 (A/D)
Conversion data for JC460 TC35095 (A/D)
Conversion clock for IC460 TC35095 (A/D)
Display data for IC702, IC703 SN755723FT (FL tube driver)
Display data latch clock for IC702, IC703 SN755723FT (FL tube driver)
Display data shift clock for 1C702, 1C703 SN755723FT (FL tube driver)
Display ON/OFF for IC702, IC703 SN755723FT (FL tube driver)
Surround control
CK
DIN
Surround control
Surround control
Surround control
Not used
Not used
Not used
Power supply (+5V)
LED lighting ON/OFF for IC701 M66311FP (LED driver)
Data latch clock for IC701 M66311FP (LED driver)
Data shift clock for IC701 M66311FP (LED driver)
Data for IC701 M66311FP (LED driver)
Sound control