Table of Contents

1. Overview ....................................................................................................................... 1

2. Features ........................................................................................................................ 2

3. Block Diagram .............................................................................................................. 3

4. Functions ...................................................................................................................... 4

4.1 Serial I/F (UART/SPI)................................................................................................................. 4

4.2 USB Host SIE ............................................................................................................................ 4

4.3 USB Device SIE......................................................................................................................... 4

4.4 Transceiver Macro .................................................................................................................... 4

4.5 FIFO ........................................................................................................................................... 4

4.6 Bridge Sequencer ..................................................................................................................... 5

4.7 SIO ............................................................................................................................................. 5

4.8 Debug I/F ................................................................................................................................... 5

4.9 1.8-V Regulator ......................................................................................................................... 5

4.10 3.3-V Regulator ......................................................................................................................... 5

4.11 VBUS SW................................................................................................................................... 5

4.12 Test Circuit ................................................................................................................................5

5. Pin Layout Diagram...................................................................................................... 6

6. Pin Functions................................................................................................................ 7

7. Commands...................................................................................................................11

8. Electrical Characteristics .......................................................................................... 12

8.1 Absolute Maximum Ratings................................................................................................... 12

8.2 Recommended Operating Conditions................................................................................... 12

8.3 DC Characteristics.................................................................................................................. 13

8.3.1

Current consumption ......................................................................................................... 13

8.3.2

Input characteristics........................................................................................................... 14

8.3.3

Output characteristics........................................................................................................ 15

8.3.4

Pin capacitance ................................................................................................................. 17

8.3.5

VBUS supply function characteristics ................................................................................ 18

8.3.6

Fail-safe cell ...................................................................................................................... 19

8.4 AC Characteristics.................................................................................................................. 20

8.4.1

Power supply input/cutoff timing ........................................................................................ 20

8.4.2

Reset timing....................................................................................................................... 21

8.4.3

Clock timing ....................................................................................................................... 21

8.4.4

USB I/F timing ................................................................................................................... 21

8.4.5

Serial I/F (main CPU) timing.............................................................................................. 22

8.4.6

Serial I/F (history display) timing........................................................................................ 22

9. Connection Examples................................................................................................ 23

10. External Dimensions Diagrams............................................................................... 24

10.1 QFP12-48 ................................................................................................................................. 24

10.2 QFN7-48 ................................................................................................................................... 25

S1R72U06 Data Sheet

Seiko Epson Corporation

i

(Rev. 1.10)