參數(shù)資料
型號(hào)： TPS65930BZCHR
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)： 86/115頁
文件大?。?/td> 1232K
代理商： TPS65930BZCHR
ULPI
DATA0:UART_TX
DATA1:UART_RX
Device
USB-CEA connector
DP/RXD/MIC
DM/TXD/SPKR
037-048
SWCS037G
– MAY 2008 – REVISED APRIL 2011
UART data are sent and received on the USB D+/D
– pads. D+/D– are also used in this mode to carry
audio I/O signals.
Table 7-3 assumes testing over the recommended operating conditions (see the CEA-936A specification).
Table 7-3. USB-CEA Carkit Interface Timing Parameters
Parameter
Min
Max
Unit
tPH_DP_CON
Phone D+ connect time
100
ms
tCR_DP_CON
Carkit D+ connect time
150
300
ms
tPH_DM_CON
Phone D
– connect time
10
ms
tPH_CMD_DLY
Phone command delay
2
ms
tPH_MONO_ACK
Phone mono acknowledge
10
ms
tPH_DISC_DET
Phone D+ disconnect time
150
ms
tCR_DISC_DET
Carkit D
– disconnect detect
50
150
ms
tPH_AUD_BIAS
Phone audio bias
1
ms
tCR_AUD_DET
Carkit audio detect
400
800
μs
tCR_UART_DET
Carkit UART detect (data-during-audio enabled)
700
1200
ns
tPH_STLO_DET
Phone stereo D+ low detect
30
100
ms
tPH_PLS_POS
Phone D
– interrupt pulse width
200
600
ns
tCR_PLS_NEG
Carkit D+ interrupt pulse width
200
600
ns
tDAT_AUD_POL
Data-during-audio polarity
20
60
ms
tACC_COL_DET
Accessory ID collision detect
2
3
ms
tACC_INT_PW
Accessory ID interrupt pulse width
200
400
μs
tACC_INT_WAIT
Accessory ID interrupt wait time
10
15
ms
tACC_CMD_WAIT
Accessory ID command wait time
0
ms
tPH_INT_PW
Phone ID interrupt pulse width
4
8
ms
tPH_INT_WAIT
Phone ID interrupt wait time
4
8
ms
tPH_CMD_WAIT
Phone ID command wait time
0
ms
tPH_UART_RPT
Phone command repeat time
50
ms
tCR_UART_RSP
Carkit UART response
30
ms
tCR_INT_RPT
Carkit interrupt repeat time
50
ms
fUART_DFLT
Default UART signaling rate (typical rate)
9600
bps
Figure 7-4 shows the USB-CEA carkit UART data flow.
Figure 7-4. USB-CEA Carkit UART Data Flow
Table 7-4 lists the USB-CEA carkit UART timings.
72
USB Transceiver
Copyright
2008–2011, Texas Instruments Incorporated
focus.ti.com: TPS65930/TPS65920
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