Datasheet

Interrupts ST7LITE20F2 ST7LITE25F2 ST7LITE29F2
52/170 DocID8349 Rev 7
• Bits 1:0 = ei0[1:0] ei0 pin selection
These bits are written by software. They select the Port A I/O pin used for the ei0
external interrupt according to the table below.
Table 16. External interrupt I/O pin ei1[1:0] selection
ei11 ei10 I/O pin
00 PA4
01 PA5
10 PA6
11 PA7
(1)
1. Reset state
Table 17. External interrupt I/O pin ei0[1:0] selection
ei01 ei00 I/O pin
00 PA0
(1)
1. Reset state
01 PA1
10 PA2
11 PA3