Data Rate - Philips CEM2000/00 Service Manual

Princeton Technology Corp
DATA BYTES
MSB
0 0
1 1
1 1
1 0
1 0
0 1
0 1
0 1

DATA RATE

The PT7313E support Standard-Mode (100kbit/s) I
support Fast-Mode (400kbit/s) I
MCU Level
2.5V
3.3V
5V
Notes:
1. x = Not allow in this combination; S = Standard Mode Supported, F = Fast Mode Supported.
2. Data rate specification is design guarantee only, not fully tested in every combination.
2
I C BUS INITIAL TIME
The PT7313E is controlled by the I
to reset all of the internal decoder register, in this period access the I
by capacitance it attached on REF pin (CREF) and Td. For proper operation USER must check the I
this requirement and recommended Td timing shown on next page is 50mS.
VDD
VREF
V1.0
ANGUS ELECTRONICS CO., LTD
Tel: (852) 2345 0540 Fax: (852) 2345 9948 Web Site: www.angus.com.hk
.
B2 B1 B0
0 B1 B0
1 B1 B0
0 B1 B0
1 B1 B0
0 G1 G0
1 0 C3
1 1 C3
2
C data rate In all operation condition, in specified condition it also
2
C data rate, please refer to the follow table:
4V 5V
F F
F F
x F
2
C bus command; each time the supply voltage applied to chip it needs an initial time
POWER ON
I2C PROHIBIT
I2C
LSB
A2 A1 A0
A2 A1 A0
A2 A1 A0
A2 A1 A0
A2 A1 A0
LD S1 S0
C2 C1 C0
C2 C1 C0
PT7313E VDD Voltage
6V 7V
x x
F F
F F
2
C bus is prohibited. The initial time is determinate
90% VREF
50mS
Td I2C STARTS
7
PT7313E
Function
Master Volume
Speaker ATT LR
Speaker ATT RR
Speaker ATT LF
Speaker ATT RF
Input Switch and Gain
Bass Control
Treble Control
8V 9V 10V
x x x
S S x
F F F
2
C starts timing is fit
February 2010