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ISP1104
Advanced Universal Serial Bus transceiver
Rev. 02 — 14 October 2003
Product data
1. General description
The ISP1104 Universal Serial Bus (USB) transceiver is compliant with the Universal
Serial Bus Specification Rev. 2.0. The ISP1104 can transmit and receive USB data at
full-speed (12 Mbit/s). It allows single and differential input modes selectable by a
MODE input.
It allows USB Application Specific Integrated Circuits (ASICs) and Programmable
Logic Devices (PLDs) with power supply voltages from 1.65 V to 3.6 V to interface
with the physical layer of the USB. It has an integrated 5 V-to-3.3 V voltage regulator
for direct powering via the USB supply line VBUS. It has an integrated voltage detector
to detect the presence of the VBUS line voltage (VCC(5.0)). When VBUS (VCC(5.0)) is lost,
the D+ and Dpins can be shared with other serial protocols.
The ISP1104 is available in HBCC16 package.
The ISP1104 is ideal for use in portable electronic devices, such as mobile phones,
digital still cameras, personal digital assistants and information appliances.
2. Features
s Complies with Universal Serial Bus Specification Rev. 2.0
s Supports full-speed (12 Mbit/s) serial data rate
s Integrated 5 V-to-3.3 V voltage regulator for powering via USB line VBUS
s VBUS voltage presence indication on pin VBUSDET
s Used as USB device transceiver or USB transceiver
s Stable RCV output during single-ended zero (SE0) condition
s Two single-ended receivers with hysteresis
s Low-power operation
s Supports I/O voltage range from 1.65 V to 3.6 V
s ±12 kV ESD protection at pins D+, D-, VCC(5.0) and GND
s Full industrial operating temperature range from 40 °C to +85 °C
s Available in HBCC16 lead-free and halogen-free package.
3. Applications
s Portable electronic devices, such as:
x Mobile phone
x Digital Still Camera (DSC)
x Personal Digital Assistant (PDA)
x Information Appliance (IA).

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Philips Semiconductors
ISP1104
Advanced USB transceiver
4. Ordering information
Table 1: Ordering information
Type
number
Package
Name
Description
ISP1104W HBCC16
plastic thermal enhanced bottom chip carrier;
16 terminals; body 3 × 3 × 0.65 mm
5. Block diagram
Version
SOT639-2
VCC(I/O)
VBUSDET
SOFTCON
OE
MODE
VMO/FSE0(1)
VPO/VO(1)
SUSPND
RCV
VP
VM
3.3 V VOLTAGE
REGULATOR
LEVEL
SHIFTER
ISP1104
VCC(5.0)
Vreg(3.3)
Vpu(3.3)
D+ 33 (1%)
D
33 (1%)
1.5 k
GND
004aaa035
(1) Pin function depends on the device function, see Section 7.2.
Fig 1. Block diagram.
9397 750 11229
Product data
Rev. 02 — 14 October 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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Philips Semiconductors
6. Pinning information
6.1 Pinning
ISP1104
Advanced USB transceiver
SUSPND 5
678
9 D
VM 4
VP 3
RCV 2
ISP1104W
GND
(exposed diepad)
10 D+
11 VPO/VO
12 VMO/FSE0
OE 1
Bottom view
16 15 14
13 Vreg(3.3)
004aaa036
Fig 2. Pin configuration HBCC16.
6.2 Pin description
Table 2: Pin description
Symbol[1] Pin
Type
OE 1 I
RCV 2 O
VP 3 O
VM 4 O
Description
input for output enable (CMOS level with respect to
VCC(I/O), active LOW); enables the transceiver to transmit
data on the USB bus
input pad; push pull; CMOS
differential data receiver output (CMOS level with respect
to VCC(I/O)); driven LOW when input SUSPND is HIGH;
the output state of RCV is preserved and stable during an
SE0 condition
output pad; push pull; 4 mA output drive; CMOS
single-ended D+ receiver output (CMOS level with
respect to VCC(I/O)); for external detection of SE0, error
conditions and speed of connected device; driven HIGH
when no supply voltage is connected to VCC(5.0) and
Vreg(3.3)
output pad; push pull; 4 mA output drive; CMOS
single-ended Dreceiver output (CMOS level with
respect to VCC(I/O)); for external detection of SE0, error
conditions and speed of connected device; driven HIGH
when no supply voltage is connected to VCC(5.0) and
Vreg(3.3)
output pad; push pull; 4 mA output drive; CMOS
9397 750 11229
Product data
Rev. 02 — 14 October 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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Philips Semiconductors
ISP1104
Advanced USB transceiver
9397 750 11229
Product data
Table 2: Pin description…continued
Symbol[1] Pin
Type
Description
SUSPND 5
I
suspend input (CMOS level with respect to VCC(I/O)); a
HIGH level enables low-power state while the USB bus is
inactive and drives output RCV to a LOW level
input pad; push pull; CMOS
MODE
6
I
mode input (CMOS level with respect to VCC(I/O)); a HIGH
level enables the differential input mode (pins VPO and
VMO) whereas a LOW level enables a single-ended input
mode (pins VO and FSE0); see Table 4 and Table 5
input pad; push pull; CMOS
VCC(I/O)
7
-
supply voltage for digital I/O pins (1.65 V to 3.6 V); when
VCC(I/O) is not connected, the pins D+ and Dare in
three-state; this supply pin is totally independent of
VCC(5.0) and Vreg(3.3) and must never exceed the Vreg(3.3)
voltage
VBUSDET 8
O
VBUS indicator output (CMOS level with respect to
VCC(I/O)); when VBUS > 4.1 V, then VBUSDET = HIGH and
when VBUS < 3.6 V, then VBUSDET = LOW
output pad; push pull; 4 mA output drive; CMOS
D
9
AI/O
negative USB data bus connection (analog, differential)
D+ 10
VPO/VO 11
AI/O
I
positive USB data bus connection (analog, differential);
connect a 1.5 kresistor to pin Vpu(3.3)
driver data input (CMOS level with respect to VCC(I/O),
Schmitt trigger); see Table 4 and Table 5
input pad; push pull; CMOS
VMO/FSE0 12
I
driver data input (CMOS level with respect to VCC(I/O),
Schmitt trigger); see Table 4 and Table 5
input pad; push pull; CMOS
Vreg(3.3)
13
-
regulated supply voltage output (3.0 V to 3.6 V); a
decoupling capacitor of at least 0.1 µF is required
VCC(5.0)
Vpu(3.3)
14
15
-
-
supply voltage input (4.0 V to 5.5 V); can be connected
directly to the USB supply line VBUS
pull-up supply voltage (3.3 V ± 10 %); connect an external
1.5 kresistor on pin D+ (full-speed); pin function is
controlled by input SOFTCON
SOFTCON 16
I
GND
exposed -
die pad
SOFTCON = LOW — Vpu(3.3) floating (high impedance);
ensures zero pull-up current
SOFTCON = HIGH — Vpu(3.3) = 3.3 V; internally
connected to Vreg(3.3)
software controlled USB connection input; a HIGH level
applies 3.3 V to pin Vpu(3.3), which is connected to an
external 1.5 kpull-up resistor; this allows USB connect
or disconnect signalling to be controlled by software
input pad; push pull; CMOS
ground supply; down bonded to the exposed die pad
(heatsink); to be connected to the PCB ground
[1] Symbol names with an overscore (for example, NAME) indicate active LOW signals.
Rev. 02 — 14 October 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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ISP1104
Advanced USB transceiver
7. Functional description
7.1 Function selection
Table 3: Function table
SUSPND OE
D+ and D
L L driving/
receiving
L H receiving[1]
H L driving
RCV
active
VP/VM
active
active
active
inactive[2] active
H
H
high-Z[1]
inactive[2] active
Function
normal driving
(differential receiver active)
receiving
driving during ‘suspend’
(differential receiver inactive)
low-power state
[1] Signal levels on pins D+ and Dare determined by other USB devices and external pull-up or
pull-down resistors.
[2] In the suspend mode (pin SUSPND = HIGH), the differential receiver is inactive and the output RCV is
always LOW. Out-of-suspend (K) signalling is detected via the single-ended receivers VP and VM.
7.2 Operating functions
Table 4:
FSE0
L
L
H
H
Driving function using single-ended input data interface (pin OE = L and
pin MODE = L)
VO Data
L differential logic 0
H differential logic 1
L SE0
H SE0
Table 5:
VMO
L
L
H
H
Driving function using differential input data interface (pin OE = L and
pin MODE = H)
VPO
Data
L SE0
H differential logic 1
L differential logic 0
H illegal state
Table 6: Receiving function (pin OE = H)
D+ and D
RCV
differential logic 0
L
differential logic 1
H
SE0
RCV*[2]
VP[1]
L
H
L
VM[1]
H
L
L
[1] VP = VM = H indicates the sharing mode (VCC(5.0) is disconnected).
[2] RCV* denotes the signal level on output RCV just before the SE0 state occurs. This level is stable
during the SE0 period.
9397 750 11229
Product data
Rev. 02 — 14 October 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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