C161U

Embedded C166 with USB, USART and SSC

SAF C161U-LF, Version 1.3

DS1, 2002-07-31

Addendum

1/6

2002-07-31

Addendum

Please, replace the erroneous description in the C161U Data Sheet, 2001-04-19, by

1

Fast External Interrupts

Page 127, second paragraph:

The pins of Port 2 (P2.1...P2.0) can individually be programmed to this fast interrupt

mode, where also the trigger transition (rising, falling or both) can be selected. The

External Interrupt Control register EXICON controls this feature for all

ESFR

Bit

Function

EXIxES

0 0

Fast external interrupts disabled: standard mode

0 1

Interrupt on positive edge (rising)

1 0

Interrupt on negative edge (falling)

1 1

Interrupt on any edge (rising or falling)

5

4

3

2

1

0

11

10

9

8

7

6

15

14

13

12

rw

rw

rw

00

EXI0ES

EXI1ES

rw

rw

rw

00

00

00

rw

rw

00

00

Revision History: Previous Version:

Major Changes: