參數(shù)資料
型號： ISP1109
廠商： NXP Semiconductors N.V.
英文描述： Universal Serial Bus transceiver with carkit support
中文描述： 與車載通用串行總線收發(fā)器支持
文件頁數(shù)： 22/59頁
文件大?。?/td> 295K
代理商： ISP1109
9397 750 13355
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
22 of 59
Philips Semiconductors
ISP1109
USB transceiver with carkit support
9.1.2.3
Audio Control register
Table 23
provides bit allocation of the register.
Table 21:
Bit
Symbol
Mode Control 2 register (address Set = 12h, Clear = 13h) bit allocation
7
6
5
reserved
AUDIO_EN
4
3
2
1
0
TRANSP_
BDIR1
0
R/S/C
TRANSP_
BDIR0
0
R/S/C
BI_DI
SPD_SUSP
_CTRL
0
R/S/C
PWR_DN
Reset
Access
0
0
0
0
0
R/S/C
R/S/C
R/S/C
R/S/C
R/S/C
Table 22:
Bit
7 to 6
5
Mode Control 2 register (address Set = 12h, Clear = 13h) bit description
Symbol
Description
-
reserved; cleared (set to 0)
AUDIO_EN
Enables the ISP1109 in carkit audio mode.
0 —
Audio disable: analog switches are turned off, DP_INT detector is
turned off, and single-ended receivers are turned on
1 —
Audio enable: analog switches are turned on, DP_INT detector is
turned on, and single-ended receivers are turned off.
TRANSP_
BDIR[1:0]
buffer mode; see
Table 14
BI_DI
0 —
Direction of DAT/VP and SE0/VM are fixed (only transmit)
1 —
Direction of DAT/VP and SE0/VM are controlled by OE_N.
SPD_SUSP_
CTRL
0 —
Controlled by pins SPEED and SUSPEND
1 —
Controlled by the Mode Control 1 register bits SPEED and
SUSPEND.
PWR_DN
Set to Power-down mode; activities on pin SPI_CLK/I2C_SCL or the
interrupt event can wake-up the chip; see
Section 9
4 to 3
Controls the direction of data transfer in transparent general-purpose
2
1
Controls speed and suspend in USB modes:
0
Table 23:
Bit
Symbol
Audio Control register (address Set = 16h, Clear = 17h) bit allocation
7
6
5
PH_ID_
ACK
EN
0
0
0
R/S/C
R/S/C
R/S/C
4
3
2
1
0
PH_ID_INT
DP_SRP_
ISET_
STATE
0
R/S/C
ISET_DRV
_EN
0
R/S/C
SW_MIC_
SPKR_R
0
R/S/C
SW_MIC_
SPKR_L
0
R/S/C
AUDIO_
MONO
0
R/S/C
Reset
Access
Table 24:
Bit
7
Audio Control register (address Set = 16h, Clear = 17h) bit description
Symbol
Description
PH_ID_ACK
If set, wait for time t
int(ID)
, turn on the ID pull-down switch for t
Wint(ID)
,
then turn off. Bit PH_ID_ACK auto-clears to 0. See
Table 6
.
PH_ID_INT
If set, turn on the ID pull-down switch for time t
Wint(ID)
and then turn off.
Bit PH_ID_INT auto-clears to 0. See
Table 6
.
DP_SRP_EN
Enables the DP pull-up resistor (R
UP(DP)
).
0 —
Disable; DP pull-up can only be enabled using bit DP_PULLUP
when V
BUS
is above V
th(svc)
1 —
Enable; DP pull-up is connected.
6
5
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參數(shù)描述
ISP1109BS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus transceiver with carkit support
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