Marantz DV7600, Руководство по обслуживанию

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53
IC93 : BU2098F (I
2
C CONT.)
Power-On Reset
SDA
SCL
A0
A0
A1
A2
Q0
Q1
Q2
Q3
VSS
V
DD
SDA
SCL
NC
Q7
Q6
Q5
Q4
1
A1
A2
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
I
2
C BUS
Controller
Shift
8bit
Register
Write
Buffer
L
a
t
c
h
Pin name Pin No. Type Function
(pull-up)
Power supply
Serial data input/output
Serial clock input
Not connected
Address input
Open Dorain output
GND
I 1~3 A0~A2
Q0~Q7
V
SS
NC
SCL
SDA
V
DD
4~7
8
13
14
15
16
9~12
I
I / O
O
PlN N° SYMBOL NAME AND FUNCTION
1
C
1
+ Positive Terminal for the first Charge Pump Capacitor
2 V+ Doubled Voltage Terminal
3
C
1
- Negative Terminal for the first Charge Pump Capacitor
4
C
2
+ Positive Terminal for the second Charge Pump Capacitor
5
C
2
- Negative Terminal for the second Charge Pump Capacitor
6 V- Inverted Voltage Terminal
7
T2
OUT
Second Transmitter Output Voltage
8
R2
IN
Second Receiver Input Voltage
9
R2
OUT
Second Receiver Output Voltage
10
T2
IN
Second Transmitter Input Voltage
11
T1
IN
First Transmitter Input Voltage
12
R1
OUT
First Receiver Output Voltage
13
R1
IN
First Receiver Input Voltage
14
T1
OUT
First Transmitter Output Voltage
15 GND Ground
16
V
CC
Supply Voltage
IC91 : ST202E (RS-232C I/O)
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