參數(shù)資料
型號(hào)： ISP1107W
廠商： NXP SEMICONDUCTORS
元件分類： 通用總線功能
英文描述： Advanced Universal Serial Bus transceivers
中文描述： LINE TRANSCEIVER, PBCC16
封裝： 3 X 3 X 0.65 MM, PLASTIC, HBCC-16
文件頁(yè)數(shù)： 5/19頁(yè)
文件大小： 536K
代理商： ISP1107W
Philips Semiconductors
ISP1107
Advanced USB transceiver
Objective specification
Rev. 01 — 23 February 2000
5 of 19
9397 750 06899
Philips Electronics N.V. 2000. All rights reserved.
7.2 Operating functions
[1]
RCV* denotes the signal level on output RCV just before SE0 state occurs. This level is kept stable
during the SE0 period.
7.3 Power supply configurations
The ISP1107 can be used with different power supply configurations, which can be
changed dynamically. An overview is given in
Table 6
.
Normal mode —
Both V
CC(I/O)
and V
CC(5.0)
/V
reg(3.3)
are connected. For 5 V
operation, V
CC(5.0)
is connected to a 5 V source (4.0 to 5.5 V). The internal voltage
regulator then produces 3.3 V for the USB connections. For 3.3 V operation, both
V
CC(5.0)
and V
reg(3.3)
are connected to a 3.3 V source (3.0 - 3.6 V). V
CC(I/O)
is
independently connected to a 1.8 V, 2.5 V or 3.3 V source, depending on the supply
voltage of the external circuit.
Disable mode —
V
CC(I/O)
is not connected, V
CC(5.0)
/V
reg(3.3)
are connected. In this
mode, the ISP1107’s internal circuits ensure that the D+/D
pins are in three-state
and the power consumption drops to the low-power (suspended) state level.
Sharing mode —
V
CC(I/O)
is connected, V
CC(5.0)
/V
reg(3.3)
are not connected. In this
mode, the D+/D
pins are made three-state and the ISP1107 allows external signals
of up to 3.6 V to share the D+/D
lines. The ISP1107’s internal circuits ensure that
virtually no current is drawn via the D+/D
lines. The power consumption through pin
V
CC(I/O)
drops to the low-power (suspended) state level. Both the VP and VM pins are
driven HIGH to indicate this mode.
Table 4:
Driving function (OE = L)
FSE0
L
L
H
H
VO
L
H
L
H
Data
differential logic 0
differential logic 1
SE0
SE0
Table 5:
Receiving function (OE = H)
D
+
/D
differential logic 0
differential logic 1
SE0
RCV
L
H
RCV*
[1]
VP
L
H
L
VM
H
L
L
Table 6:
V
CC(5.0)
/V
reg(3.3)
connected
connected
not connected
Power supply configuration overview
V
CC(I/O)
connected
not connected
connected
Configuration
Normal mode
Disable mode
Sharing mode
Special characteristics
-
D
+
/D
high impedance
D
+
/D
are high impedance;
VP/VM are driven HIGH
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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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