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PDF ISP1107 Data sheet ( Hoja de datos )
| Número de pieza | ISP1107 | |
| Descripción | Advanced Universal Serial Bus transceivers | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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ISP1107
Advanced Universal Serial Bus transceiver
Rev. 01 — 23 February 2000
Objective specification
1. General description
The ISP1107 is a Universal Serial Bus (USB) transceiver that is fully compliant with
the Universal Serial Bus Specification Rev. 1.1. It is ideal for portable electronics
devices such as mobile phones, digital still cameras and personal digital assistants. It
allows 1.8 V, 2.5 V and 3.3 V USB Application Specific ICs (ASICs) and
Programmable Logic Devices (PLDs) to interface with the physical layer of the
Universal Serial Bus. It has an integrated 5 V to 3.3 V voltage regulator allowing
direct powering from the USB supply VBUS.
The ISP1107 can be used as a USB device transceiver or a USB host transceiver. It
can transmit and receive serial data at both full-speed (12 Mbit/s) and low-speed
(1.5 Mbit/s) data rates. The ISP1107 is compatible with the industry-standard Philips
Semiconductors USB transceiver PDIUSBP11A.
2. Features
s Complies with Universal Serial Bus Specification Rev. 1.1
s Integrated 5 V to 3.3 V voltage regulator allowing direct powering from USB VBUS
s Used as a USB device transceiver or a USB host transceiver
c
c s Supports full-speed (12 Mbit/s) and low-speed (1.5 Mbit/s) serial data rates
s Slew-rate controlled differential data driver
s Differential input receiver with wide common-mode range and very high input
sensitivity
s Stable RCV output during SE0 condition
s Two single-ended receivers with hysteresis
s Low-power operation
s Three I/O voltage levels: 1.8 V, 2.5 V and 3.3 V
s Backward compatible with PDIUSBP11A
s Higher than 8 kV ESD protection
s Full industrial operating temperature range −40 to +85 °C
s Available in small TSSOP16 and BCC16 packages.
1 page  
Philips Semiconductors
ISP1107
Advanced USB transceiver
7.2 Operating functions
Table 4: Driving function (OE = L)
FSE0
VO
LL
LH
HL
HH
Data
differential logic 0
differential logic 1
SE0
SE0
Table 5: Receiving function (OE = H)
D+/D−
RCV
differential logic 0
L
differential logic 1
H
SE0
RCV* [1]
VP
L
H
L
VM
H
L
L
[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 VCC(I/O) and VCC(5.0)/Vreg(3.3) are connected. For 5 V
operation, VCC(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
VCC(5.0) and Vreg(3.3) are connected to a 3.3 V source (3.0 - 3.6 V). VCC(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 — VCC(I/O) is not connected, VCC(5.0)/Vreg(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 — VCC(I/O) is connected, VCC(5.0)/Vreg(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
VCC(I/O) drops to the low-power (suspended) state level. Both the VP and VM pins are
driven HIGH to indicate this mode.
Table 6: Power supply configuration overview
VCC(5.0)/Vreg(3.3)
connected
VCC(I/O)
connected
Configuration
Normal mode
connected
not connected
Disable mode
not connected
connected
Sharing mode
Special characteristics
-
D+/D− high impedance
D+/D− are high impedance;
VP/VM are driven HIGH
9397 750 06899
Objective specification
Rev. 01 — 23 February 2000
© Philips Electronics N.V. 2000. All rights reserved.
5 of 19
5 Page 
Philips Semiconductors
11. Test information
ISP1107
Advanced USB transceiver
handbook, halfpage
test point
D.U.T.
33 Ω(1)
500 Ω
50 pF
V
MBL142
V = 0 V for tPZH, tPHZ
V = Vreg(/3.3) for tPZL, tPLZ
(1) Complies with USB 1.1. For USB 2.0 a resistor of 39 Ω must be used.
Fig 8. Load for enable and disable times.
handbook, halfpage
D.U.T.
Fig 9. Load for VM, VP and RCV.
test point
25 pF
MGS968
handbook, halfpage Vpu(3.3)
D.U.T.
1.5 kΩ(1)
D +/D −
33 Ω(2)
test point
CL
15 kΩ
MGS967
Load capacitance:
CL = 50 pF or 125 pF (full-speed mode, minimum or maximum timing)
CL = 200 pF or 600 pF (low-speed mode, minimum or maximum timing)
(1) Full-speed mode: connected to D+, low-speed mode: connected to D−.
(2) Complies with USB 1.1. For USB 2.0 a resistor of 39 Ω must be used.
Fig 10. Load for D+, D−.
9397 750 06899
Objective specification
Rev. 01 — 23 February 2000
© Philips Electronics N.V. 2000. All rights reserved.
11 of 19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet ISP1107.PDF ] | |
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