
DocID13284 Rev 2
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UM0404
Parallel ports
Figure 33. Port2 I/O and alternate functions
The pins of Port2 combine internal capture input bus data with compare output alternate
data output before the port latch input.
Table 22. Port2 alternate functions
P2 Pin
Alt.
Function a)
Alternate function b)
Alternate function c)
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P2.8
P2.9
P2.10
P2.11
P2.12
P2.13
P2.14
P2.15
CC0IO
CC1IO
CC2IO
CC3IO
CC4IO
CC5IO
CC6IO
CC7IO
CC8IO
CC9IO
CC10IO
CC11IO
CC12IO
CC13IO
CC14IO
CC15IO
-
-
-
-
-
-
-
-
EX0IN Fast External Interrupt 0 Input
EX1IN Fast External Interrupt 1 Input
EX2IN Fast External Interrupt 2 Input
EX3IN Fast External Interrupt 3 Input
EX4IN Fast External Interrupt 4 Input
EX5IN Fast External Interrupt 5 Input
EX6IN Fast External Interrupt 6 Input
EX7IN Fast External Interrupt 7 Input
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
T7IN Timer T7 External Count Input
Port2
Alternate Functions
a)
General Purpose
Input/Output
CAPCOM1
Capture Input / Compare
b)
Fast External
Interrupt Input
c)
CAPCOM2
Timer T7 Input
CC7IO
CC6IO
CC5IO
CC4IO
CC3IO
CC2IO
CC1IO
CC0IO
CC15IO
CC14IO
CC13IO
CC12IO
CC11IO
CC10IO
CC9IO
CC8IO
EX7IN
EX6IN
EX5IN
EX4IN
EX3IN
EX2IN
EX1IN
EX0IN
T7IN
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
P2.15
P2.14
P2.13
P2.12
P2.11
P2.10
P2.9
P2.8