ISP1109 データシートの表示（PDF） - Philips Electronics

部品番号

コンポーネント説明

メーカー

ISP1109

Universal Serial Bus transceiver with carkit support

Philips Electronics 

Philips Semiconductors

ISP1109

USB transceiver with carkit support

Table 2: Pin description…continued

Symbol [1] [2] Pin

Type [3] Reset Description

state

SPI_CLK/ 12

I2C_SCL

I/OD

high-Z

SPI_CLK input — SPI clock input

I2C_SCL input and output — serial I2C-bus clock;

when used as an I2C-bus clock, the pad is

open-drain; connect to VCC(I/O) through a 3.3 kΩ

resistor.

SPI_CS/

13

I

I2C_ADR

-

SPI_CS input — SPI chip select input

I2C_ADR input — LSB address offset of the

I2C-bus slave address.

input

VM

14

O

-

single-ended DM receiver output; leave this pin

open when not in use

push-pull output

VP

15

O

-

single-ended DP receiver output; leave this pin

open when not in use

push-pull output

RCV

16

O

0

differential receiver output; leave this pin open

when not in use

push-pull output

SE0/VM

17

I/O

high-Z SE0 input and output — SE0 functions in

DAT_SE0 USB mode

VM input and output — VM functions in VP_VM

USB mode.

bidirectional pad

DAT/VP

18

I/O

high-Z DAT input and output — DAT functions in

DAT_SE0 USB mode

VP input and output — VP functions in VP_VM

USB mode.

bidirectional pad

VCC(I/O)

19

P

-

supply voltage for the I/O interface logic signals

(1.65 V to 3.6 V)

OE_N

20

I

-

enable differential transmitter input

input

REG3V3

21

P

-

regulated output voltage 3.3 V; a 0.1 µF external

capacitor is required

DM

22

AI/O

high-Z this pin can be programmed as:

• USB D− (data minus pin)

• transparent UART RxD or

• transparent audio SPKR_L.

DP

23

AI/O

high-Z this pin can be programmed as:

• USB D+ (data plus pin)

• transparent UART TxD or

• transparent audio SPKR_R or MIC.

GNDA

24

P

-

analog ground

9397 750 13355

Product data sheet

Rev. 01 — 14 July 2005

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

6 of 59

Share Link: