52
U3501
Pin Port I/O use Name
Port Setting
Note
Act. stby Exit R
1 STROBE I I CE Chip Enable
2 DATA I I DATA Serial Data (Direct controll from MPU)
3 CLOCK I I CLK Serial Clock
4 Q1 O O LINE2 H L PD 10k LINE2 INPUT Relay ON (ON:H)
5 Q2 O O REC1 H L PD 10k RECORDER1 INPUT Relay ON (ON:H)
6 Q3 O O REC2 H L PD 10k RECORDER2 INPUT Relay ON (ON:H)
7 Q4 O O BI-AMP H L PD 10k Bi-Amp Relay Control (H/L = Bi-Amp/Stereo)
8 VSS - - GND - - - GND
9 QS O O QS Open
10 Q'S O O Q'S To 4094-2
11 Q8 O O LINE1 H L PD 10k LINE1 INPUT Relay ON (ON:H)
12 Q7 O O CD H L PD 10k CD INPUT Relay ON (ON:H)
13 Q6 O O BAL H L PD 10k BALANCED INPUT Relay ON (ON:H)
14 Q5 O O PHONO H L PD 10k PHONO INPUT Relay ON (ON:H)
15 OE I I OE Output Enable
16 VDD - - VCC - - - 3.3V
U3502
Pin Port I/O use Name
Port Setting
Note
Act. stby Exit R
1 STROBE I I CE Chip Enable
2 DATA I I DATA From 4094-1
3 CLOCK I I CLK Serial Clock
4 Q1 O O TONE H L PD 10k
Tone Control Selsect (H/L = Tone/Source
Direct)
5 Q2 O O P-DIRECT H L PD 10k Power Amp direct in Relay ON (ON:H)
6 Q3 O O
7 Q4 O O
8 VSS - - GND - - - GND
9 QS O O QS Open
10 Q'S O O Q'S Open
11 Q8 O O
12 Q7 O O RO-2 H L PD 10k RECORDER2 OUTPUT Relay ON (ON:H)
13 Q6 O O RO-1 H L PD 10k RECORDER2 OUTPUT Relay ON (ON:H)
14 Q5 O O MM H L PD 10k PHONO MM/MC Select (H/L = MM/MC)
15 OE I I OE Output Enable
16 VDD - - VCC - - - 3.3V
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