STW5094 STMicroelectronics, STW5094 Datasheet - Page 21

• Manufacturer Part Number: STW5094
• Description: Audio DSPs 14-Bit Linear CODEC
• Manufacturer: STMicroelectronics

Specifications of STW5094

• Mounting Style: SMD/SMT
• Package / Case: TFBGA-36
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 6. Control Interface (I
Figure 7. Control Interface (I
Figure 8. A.C. TESTING INPUT, OUTPUT WAVEFORM
WRITE
SINGLE BYTE
WRITE
MULTI BYTE
READ
SINGLE BYTE
CURRENT ADDR
CURRENT ADDR
READ
MULTI BYTE
SDA
SCL
RANDOM ADDR
READ
SINGLE BYTE
RANDOM ADDR
READ
MULTI BYTE
AC Testing: inputs are driven at 0.8VCCIO for a logic "1" and 0.2VCCIO for a logic "0".
Timing measurements are made at 0.7VCCIO for a logic "1" and 0.3VCCIO for a logic "0".
P = STOP
S = START
Sr = START repeated
P
t
BUF
S
START
START
START
START
START
START
(STA)
t
HD
1 1 1 0 0 0 1 0
1 1 1 0 0 0 1 0
1 1 1 0 0 0 1 1
1 1 1 0 0 0 1 1
1 1 1 0 0 0 1 0
1 1 1 0 0 0 1 0
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
DEVICE ADDRESS
INPUT OUTPUT
t
0.8V
0.2V
LOW
t
R
CCIO
CCIO
2
2
C I/F) formats
C I/F) Timing
ACK
ACK
ACK
ACK
ACK
ACK
Current REG DATA OUT
Current REG DATA OUT
(DAT)
REG n ADDRESS
REG n ADDRESS
REG n ADDRESS
REG n ADDRESS
t
HD
0.7V
0.3V
CCIO
CCIO
t
HIGH
t
F
NO ACK
ACK
ACK
m+1 data bytes
ACK
ACK
ACK
TEST POINTS
START
START
REG n DATA IN
REG n DATA IN
STOP
(DAT)
1 1 1 0 0 0
1 1 1 0 0 0
DEVICE ADDRESS
DEVICE ADDRESS
ACK
t
SU
Curr REG+m DATA OUT
ACK
ACK
m+1 data bytes
1 1
1 1
STOP
ACK
ACK
(STA)
t
SU
NO ACK
0.7V
0.3V
ACK
REG n DATA OUT
REG n DATA OUT
S
REG n+m DATA IN
STOP
r
CCIO
CCIO
(STA)
t
HD
NO ACK
m+1 data bytes
ACK
ACK
STOP
STOP
ACK
REG n+m DATA OUT
STw5094
(STO)
NO ACK
t
SU
STOP
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