STV6412AD STMicroelectronics, STV6412AD Datasheet - Page 16

• Manufacturer Part Number: STV6412AD
• Description: IC AUDIO/VIDEO SWIT DUAL 64TQFP
• Manufacturer: STMicroelectronics

Specifications of STV6412AD

• Function: Audio/Video Switch
• Circuit: 2 x SCART
• Voltage Supply Source: Single Supply
• Voltage - Supply, Single/dual (±): 4.75 V ~ 5.25 V, 11.2 V ~ 12.8 V
• Current - Supply: 43mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

I2C bus selection
3
3.1
Table 13.
16/31
(hex)
Audio
addr
Reg
00
01
VCR stereo
TV stereo
mono
Mono
d7
I
Data transfers follow the usual I
address is sent, followed by an eight-bit data direction bit (W). An 8-bit sub-address is sent
to select a register, followed by an 8-bit data word to be included in the register. The IC’s I
bus decoder enables the automatic incrementation mode in write mode.
String format
Write only mode (S = Start condition, P = Stop condition, A = Acknowledge)
Read only mode
Slave address
Auto increment mode
I
Write address: 1001 01X0, read address: 1001 01X1
Selection pin grounded address: X = 0, write address = 94(hex), read address = 95(hex)
Selection pin to supply address: X = 1, write address = 96(hex), read address = 97(hex)
Input signal summary (write mode)
2
2
S
S
S
C bus addresses
C bus selection
Address
Value
Slave address
TV 0/6 dB
Not used
Note
(see
d6
Slave address
1)
A6
1
0
A
d5
switch control
VCR audio
A5
Sub-address
0
Slave address
Doc ID 9754 Rev 2
2
TV volume-62 dB to 0 dB - 2 dB steps
0
C format; that is, after the start condition (S), a 7-bit slave
d4
A
A4
0
A
Data
Sub-address
Data0
audio gain
CINCH
A3
Sub-address
1
d3
A
Data1
Sub-address +1
A2
0
TV/CINCH audio switch control
d2
A
1
....
A
A
A1
1
Sub-address + N
Datan
Data
Data
d1
A
A0
A
A
X
Soft volume
P
STV6412A
P
P
mode
d0
2
C