Bose CD-20 - CD Mechanism IC Pin Configuration Tables

60
CD MECHANISM IC PIN CONFIGURATION TABLES
Pin
No.
I/O Terminal
Name
Description
1 O XTO Crystal oscillator output
2 - XVss Clock ground
3 I CKSLN Clock frequency select input. Internal
pull-up resistor
4 O CKO Clock output
5 I TSTN Test input. This pin should be tied
HIGH for normal operation. Internal pull-
up resistor
6 I MODN Mode select input. Internal pull-up
resistor
7 I ATTN Soft mute control input. Internal pull-up
resistor
8 I LRCI Data sample rate clock input. Internal
pull-up resistor
9 I BCKI Bit clock input. Internal pull-up resistor
10 I DIN Serial data input. Internal pull-up
resistor
11 I DFS1 De emphasis select input. Internal pull-
up resistor
12 I DFS2 De emphasis select input. Internal pull-
up resistor
13 O MUTEO Mute detect output
14 I RSTN Reset input. Internal pull-up resistor
15 _ DVSS Digital ground
16 _ DVDD 5V digital supply
17 _ AVDD1 Analog supply 1
18 O LO Left-channel positive PWM output
19 _ AVSS1 Analog ground 1
20 O LON Left-channel negative PWM output
21 _ AVDD2 Analog supply 2
22 _ AVDD3 Analog supply 3
23 O RON Right-channel negative PWM output
24 _ AVSS2 Analog ground 2
25 O RO Right-channel positive PWM output
26 _ AVDD4 Analog supply 4
27 _ XVDD Clock supply
28 1 XTI Crystal oscillator or external clock input
IC 601 (uPD75116GF-K12) Microprocessor Table
Pin
No.
I/O Terminal
Name
Description
1NC
2 I MODE Mode switch
3NC
4NC
5 O LIFTMC1 Lift motor output
6 O LIFTMC2 Lift motor output
7 I RESETB System reset input
8 - X2 Ceramic oscillator connection terminal
for system clock
9 - X1 Ceramic oscillator connection terminal
for system clock
10 I LOADS
W
Load switch input
IC 201 (SM5871AS) D/F and D/A Converter Table