TDA8204B Datasheet, PDF (4/12 Pages) STMicroelectronics – NICAM DECODER

TDA8204B
ELECTRICAL CHARACTERISTICS (continued)
Symbol
I²C BUS TIMING
Parameter
tLOW
tHIGH
SERIAL BUS (referred to VIH = 3V, VIL = 1.5V)
Low Period Clock
High Period Clock
tSU, dAT Data Set-up Time
tHD, dAT Data Hold Time
tSU, STO Stop Set-up Time from Clock High
tBUF
Start Set-up Time following a Stop
tHD, STA Start Hold Time
tSU, STA Start Set-up Time following Clock Low to High Transition
Figure 1 : I²C Serial Bus Timing
Min. Typ. Max. Unit
4
µs
4
µs
250
ns
170
ns
4
µs
4
µs
4
µs
4
µs
SDA
SCL
t _BUF
t _LOW
t _{HD, STA}
t_r
t _{HD, DAT}
SDA
V_IH = 3V, V_IL = 1.5V
Figure 2 : I²S Bus Timing Diagram
I ² S CLOCK
t _{SU, STA}
t_F
t _HIGH
t _{SU, DAT}
t _{SU, STO}
f = 896kHz
WS
f = 32 kHz
SD OUT
LSB MSB
word n - 1
right channel
SD IN
MSB
word n
left channel
14 bits
LSB MSB
word n + 1
right channel
14 bits
LSB MSB
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