© Koninklijke Philips Electronics N.V. 2006

All rights are reserved. Reproduction in whole or in part is prohibited without the prior

written consent of the copyright owner. The information presented in this document does

not form part of any quotation or contract, is believed to be accurate and reliable and may

be changed without notice. No liability will be accepted by the publisher for any

consequence of its use. Publication thereof does not convey nor imply any license under

patent- or other industrial or intellectual property rights.

Date of release: 28 February 2006

Document number: SC18IM700_1

Published in The Netherlands

Philips Semiconductors

SC18IM700

22. Contents

1

General description . . . . . . . . . . . . . . . . . . . . . . 1

2

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

3

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

4

Ordering information . . . . . . . . . . . . . . . . . . . . . 2

5

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2

6

Pinning information . . . . . . . . . . . . . . . . . . . . . . 3

6.1

Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

6.2

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3

7

Functional description . . . . . . . . . . . . . . . . . . . 4

7.1

UART message format . . . . . . . . . . . . . . . . . . . 4

7.1.1

Write N bytes to slave device . . . . . . . . . . . . . . 4

7.1.2

Read N byte from slave device . . . . . . . . . . . . . 5

7.1.3

Write to 18IM internal register . . . . . . . . . . . . . 5

7.1.4

Read from 18IM internal register . . . . . . . . . . . 6

7.1.5

Write to GPIO port . . . . . . . . . . . . . . . . . . . . . . 6

7.1.6

Read from GPIO port . . . . . . . . . . . . . . . . . . . . 6

7.1.7

Repeated START: read after write . . . . . . . . . . 6

7.1.8

Repeated START: write after write . . . . . . . . . . 7

7.1.9

Power-down mode . . . . . . . . . . . . . . . . . . . . . . 7

8I2C-bus serial interface . . . . . . . . . . . . . . . . . . . 8

9

Internal registers available . . . . . . . . . . . . . . . . 8

9.1

Register summary . . . . . . . . . . . . . . . . . . . . . . 8

9.2

Register descriptions . . . . . . . . . . . . . . . . . . . . 9

9.2.1

Baud Rate Generator (BRG) . . . . . . . . . . . . . . 9

9.2.2

Programmable port configuration

(PortConf1 and PortConf2) . . . . . . . . . . . . . . . . 9

9.2.2.1

Quasi-bidirectional output configuration . . . . . . 9

9.2.2.2

Input-only configuration . . . . . . . . . . . . . . . . . 10

9.2.2.3

Push-pull output configuration . . . . . . . . . . . . 10

9.2.2.4

Open-drain output configuration . . . . . . . . . . . 11

9.2.3

Programmable I/O pins state register

(IOState) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

9.2.4

I2C-bus address register (I2CAdr) . . . . . . . . . 11

9.2.5

I2C-bus clock rates (I2CClk) . . . . . . . . . . . . . . 11

9.2.6

I2C-bus time-out (I2CTO) . . . . . . . . . . . . . . . . 12

9.2.7

I2C-bus status register (I2CStat). . . . . . . . . . . 12

10

Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13

11

Static characteristics. . . . . . . . . . . . . . . . . . . . 14

12

Dynamic characteristics . . . . . . . . . . . . . . . . . 15

13

Package outline . . . . . . . . . . . . . . . . . . . . . . . . 16

14

Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

14.1

Introduction to soldering surface mount

packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

14.2

Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 17

14.3

Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 17

14.4

Manual soldering . . . . . . . . . . . . . . . . . . . . . . 18

14.5

Package related soldering information . . . . . . 18

15

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 19

16

Revision history . . . . . . . . . . . . . . . . . . . . . . . 19

17

Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 20

18

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

19

Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

20

Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

21

Contact information . . . . . . . . . . . . . . . . . . . . 20