Marantz DV2400, Руководство по обслуживанию

Страница: 22 / 40

28
IC7:BR24C16
16kbits EEPROM ARRAY
CONTROL LOGIC
HIGH VOLTAGE GEN.
ACK
START STOP
11bits
8bits
DATA
REGISTER
ADDRESS
DECODER
A0
A1
A2
1
2
3
4
GND
WP
SCL
SDA
8
7
6
5
V
CC
V
CC
LEVEL DETECT
ADDRESS REGISTER
SLAVE WORD
·
11bits
A0, A1, A2
SCL
SDA
WP
V
CC
GND
I / O
I / O
I
I
I
Function Pin name
An open drain output requires a pull-up resistor.
Serial clock input
serial data input, serial data output
Wite protect pin
Power supply
Ground (0V)
Out of use. Please connect to GND.
Slave and word address,
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 is being done inside)
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
-
-
-
Power supply
Cereal data input / output
Cereal clock input
N.C.
Open Dorain output
Input of an address
IC5:BU2098F-J