參數(shù)資料
型號(hào): TPS65930BZCH
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝: 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數(shù): 115/115頁
文件大?。?/td> 1232K
代理商: TPS65930BZCH
SWCS037G
– MAY 2008 – REVISED APRIL 2011
The input timing requirements in Table 12-5 are given by considering a rising or falling time of 6.5 ns.
Table 12-5. I2S Interface
—Timing Requirements
Notation
Parameter
Min
Max
Unit
Master Mode
I3
tsu(DIN-CLKH)
Setup time, I2S.DIN valid to I2S.CLK high2
25
ns
I4
th(DIN-CLKH)
Hold time, I2S.DIN valid from I2S.CLK high.
0
ns
Slave Mode
I0
tc(CLK)
Cycle time, I2S.CLK(1)
1/64 * Fs
ns
I1
tw(CLK)
Pulse duration, I2S.CLK high or low(2)
0.45 * P
0.55 * P
ns
I3
tsu(DIN-CLKH)
Setup time, I2S.DIN valid to I2S.CLK high
5
ns
I4
th(DIN-CLKH)
Hold time, I2S.DIN valid from I2S.CLK high.
5
ns
I6
tsu(SYNC-CLKH)
Setup time, I2S.SYNC valid to I2S.CLK high
5
ns
I7
th(SYNC-CLKH)
Hold time, I2S.SYNC valid from I2S.CLK high
5
ns
(1)
Fs = 8 to 48 kHz; 96 kHz for RX path only
(2)
P = I2S.CLK period
The capacitive load for Table 12-6 is 7 pF. Table 12-6 lists the switching characteristics for the I2S
interface.
Table 12-6. I2S Interface
—Switching Characteristics
Notation
Parameter
Min
Max
Unit
Master Mode
I0
tc(CLK)
Cycle time, I2S.CLK(1)
1/64 * Fs
ns
I1
tw(CLK)
Pulse duration, I2S.CLK high or low(2)
0.45 * P
0.55 * P
ns
I2
td(CLKL-SYNC)
Delay time, I2S.CLK falling edge to I2S.SYNC
–10
10
ns
transition
I5
td(CLKL-DOUT)
Delay time, I2S.CLK falling edge to I2S.DOUT
–10
10
ns
transition
Slave Mode
I5
td(CLKL-DOUT)
Delay time, I2S.CLK falling edge to I2S.DOUT
0
20
ns
transition
(1)
Fs = 8 to 48 kHz; 96 kHz for RX path only
(2)
P = I2S.CLK period
Copyright
2008–2011, Texas Instruments Incorporated
Timing Requirements and Switching Characteristics
99
focus.ti.com: TPS65930/TPS65920
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