ISP1107 datasheet(3/19 Pages) PHILIPS

Part #	ISP1107

Description	Advanced Universal Serial Bus transceiver

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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Philips Semiconductors

ISP1107

Advanced USB transceiver

Objective speciﬁcation

Rev. 01 — 23 February 2000

3 of 19

9397 750 06899

6.

Pinning information

6.1 Pinning

6.2 Pin description

Fig 2.

Pinning diagram BCC16

(to be added).

Fig 3.

Pinning diagram TSSOP16.

fpage

ISP1107DH

MGS961

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

Vpu(3.3)

SOFTCON

OE

RCV

VP

VM

SUSPND

GND

VCC(I/O)

SPEED

D

−

D

+

VO

FSE0

Vreg(3.3)

VCC(5.0)

Table 2:

Pin description

Symbol

Type

Description

Vpu(3.3)

1

-

pull-up supply voltage (3.3 V

± 10%); used to connect an

external 1.5 k

Ω resistor on D+ (full-speed) or D− (low-speed);

pin function is controlled by input SOFTCON:

SOFTCON = LOW — Vpu(3.3) ﬂoating (high impedance)

SOFTCON = HIGH — Vpu(3.3) = 3.3 V

SOFTCON

2

I

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 k

Ω pull-up resistor; this allows USB connect/disconnect

signalling to be controlled by software

OE

3

I

output enable input (CMOS level re. VCC(I/O), active LOW);

enables the transceiver to transmit data on the USB bus

RCV

4

O

differential data receiver output (CMOS level re. VCC(I/O));

driven LOW when input SUSPND is HIGH; the output state of

RCV is preserved and stable during an SE0 condition

VP

5

O

single-ended D

+ receiver output (CMOS level re. VCC(I/O));

used for external detection of single-ended zero (SE0), error

conditions, speed of connected device; driven HIGH when

VCC(5.0)/Vreg(3.3) are not connected to any voltage supply

VM

6

O

single-ended D

− receiver output (CMOS level re. VCC(I/O));

used for external detection of single-ended zero (SE0), error

conditions, speed of connected device; driven HIGH when no

supply voltage is connected to VCC(5.0) or Vreg(3.3)

SUSPND

7

I

suspend input (CMOS level re. VCC(I/O)); a HIGH level enables

low-power state while the USB bus is inactive and drives

output RCV to a LOW level

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