參數資料
型號: TDA7528
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件頁數: 32/65頁
文件大小: 610K
代理商: TDA7528
Electrical characteristics
TDA7528
Doc ID 13141 Rev 6
I2C addresses
x
= must be "0" for reading, can be "1" or "0" for writing to the TDA7528
d
= determinates the direction of data transfer, reading or writing
R / W = indicates the address to write to and/or to read from a TDA7528
W
= indicates those addresses that can be used to transmit equal data to several TDA7528s, e.g. to
program an synchronous AF jump of two tuners. A read out has no purpose for these addresses.
3.11.3
Communication using the SPI protocol
For SPI communication, pin "PS" needs to be connected to GND.
No IC address is transmitted in SPI mode, as in this mode the chip is selected through its
CS (Chip Select) line.
SPI-Protocol: CPOL=1, CPHA=1
Table 27.
I2C addresses
Tuner:
Tuner 3
Tuner 2
Tuner 1
”AS”-pin connection
open
20k +/- 50% pull down
GND
address:
1100 1xxd
1100 x1xd
1100 xx1d
MSB ... LSB
-
1100 000d
-
1100 001d
-
R / W
1100 010d
-
R / W
-
1100 011d
-
W
1100 100d
R / W
-
1100 101d
W
-
W
1100 110d
W
-
1100 111d
W
Table 28.
Communication using the SPI protocol electrical characteristics
Parameter
Test condition
Min.
Typ
Max
Units
Clock frequency
Guaranteed range @ SPI
Guaranteed range @ I2C
4
1
--
MHz
Inter byte time
-
0
Power-on delay time
Ready for communication after
power-on reset
--
10
ms
High level output voltage
Output signals
VDD-0.3
-
VDD
V
Low level output voltage
Output signals
-0.05
-
0.3
V
High level source current
Output signals
-
0.1
-
mA
low level sink current
Output signals
-
1
-
mA
High level input voltage
Input signals, except AS
2.3
-
3.5
V
Low level input voltage
Input signals, except AS
-0.05
-
1.0
V
Internal pull up resistor
AS pin
16.5
20
24
k
Ω
Internal pull up resistor
PS pin
16.5
20
24
k
Ω
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