參數(shù)資料
型號(hào)： 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)： 24/59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
24 of 59
Philips Semiconductors
ISP1109
USB transceiver with carkit support
9.1.3
Interrupt registers
9.1.3.1
Interrupt Source register
Table 29
shows the bit allocation of this register that indicates the current state of the
signals that can generate an interrupt.
Table 28:
Bit
7
Resistor Control register (address Set = 06h, Clear = 07h) bit description
Symbol
Description
VBUS_CHRG
Charge V
BUS
through a pull-up resistor (R
UP(VBUS)
) that is
connected to REG3V3.
0 —
Disconnect the resistor
1 —
Connect the resistor.
VBUS_DISCHRG
Discharge V
BUS
through a pull-down resistor (R
DN(VBUS)
).
0 —
Disconnect the resistor
1 —
Connect the resistor.
reserved
reserved; cleared (set to 0)
ID_PULLDN
Connect pin ID to ground. See
Table 6
.
0 —
Disconnected
1 —
Connected.
DM_PULLDOWN
Connect the DM pull-down resistor (R
DN(DM)
).
0 —
DM pull-down resistor is disconnected
1 —
DM pull-down resistor is connected.
DP_PULLDOWN
Connect the DP pull-down resistor (R
DN(DP)
).
0 —
DP pull-down resistor is disconnected
1 —
DP pull-down resistor is connected.
DP_WKPU_EN
Connect the DP weak pull-up resistor (R
weakUP(DP)
).
0 —
DP weak pull-up resistor is disconnected
1 —
DP weak pull-up resistor is connected.
DP_PULLUP
Connect the DP pull-up resistor (R
UP(DP)
). The pull-up resistor will
be connected to the DP line only when V
BUS
> V
th(svc)
.
0 —
DP pull-up resistor is disconnected
1 —
DP pull-up resistor is connected, if V
BUS
> V
th(svc)
.
6
5
4
3
2
1
0
Table 29:
Bit
Symbol
Interrupt Source register (address 08h) bit allocation
7
6
DP_INT
reserved
5
4
3
2
1
0
ID_FLOAT
SE1
ID_GND
DP_HI
SESS_VLD
VBUS_
DET
0
R
Reset
Access
0
R
0
R
0
R
0
R
0
R
0
R
0
R
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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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ISP1109BS,151 功能描述:射頻收發(fā)器 DO NOT USE ORDER -T PART RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
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