Serial Eeprom, 2K (256 X 8) (24C02) Or 16 K (2048 X 8) (24C16) - Akai DVP4785KDSM Service Manual

Table of Contents

Advertisement

PIN DESCRIPTIONS
PIN
NAME
TYPE
1
MODE
Digital input
2
MCLK
Digital input
3
BCLK
Digital
input/output
4
LRCLK
Digital
input/output
5
DVDD
Supply
6
DGND
Supply
7
DIN1
Digital input
8
DIN2
Digital input
9
DIN3
Digital input
10
DNC
Do not connect
11
ML/I2S
Digital input
12
MC/IWL
Digital input
13
MD/DM
Digital input
14
MUTE
Digital
input/output
15
TESTREF1
Digital input
16
VREFN
Supply
17
VREFP
Supply
18
VMID
Analog output
19
NC
Do not connect
20
NC
Do not connect
21
VOUT1L
Analog output
22
VOUT1R
Analog output
23
VOUT2L
Analog output
24
VOUT2R
Analog output
25
VOUT3L
Analog output
26
VOUT3R
Analog output
27
AGND
Supply
28
A VDD
Supply
Note:
Digital input pins have Schmitt trigger input buffers.

2-1-4 Serial EEPROM, 2K (256 x 8) (24C02) or 16 K (2048 x 8) (24C16)

24C02 is used for DVD player while 24C16 is for DVD receiver. The capacity is the only difference between two kinds of
serial EEPROM. Both of them use same package and have same pin configuration.
MODE
1
28
MCLK
2
27
BCLK
3
26
LRC
4
25
DVDD
5
24
DGND
6
23
DIN1
7
22
DIN2
8
21
DIN3
9
20
DNC
10
19
ML/I2S
11
18
MC/WL
12
17
MC/DM
13
16
MUTE
14
15
Control format selection
0=Software control 1=Hardwar e control
Master clock:256,384,512 or 768f s ( f s = word clock frequency)
Audio interface bit clock
Audio left/right word clock
Digital positive supply
Digital negative supply
DAC channel 1 data input
DAC channel 2 data input
DAC channel 3 data input
Do not connect
Software Mode: Serial interface Latch signal
Hardware Mode: Input Audio Data Format
Software Mode: Serial control interface clock
Hardware Mode: Audio data input word length
Software Mode: Serial interfacedata
Hardware Mode: De-empahsis selection
DAC Zero flag output or DAC mute input
Test pin
Digital negative supply and substrate connection
Digital positive reference supply
Midrail divider decoupling pin; 10uf external decoupling
Do not connect
Do not connect
DAC channel 1left output
DAC channel 1right output
DAC channel 2 left output
DAC channel 2 right output
DAC channel 3 left output
DAC channel 3 right output
Analogue negative supply and substrate connection
Analogue positive reference supply
AVDD
AGND
VOUT3R
VOUT3L
VOUT2R
VOUT2L
VOUT1R
VOUT1L
NC
NC
VMID
VREFP
VREFN
TESTRE F
DESCRIPTION
13

Advertisement

Table of Contents
loading

Table of Contents