XC866_05 Datasheet, PDF (133/396 Pages) Infineon Technologies AG – 8-Bit Single Chip Microcontroller

XC866
Parallel Ports
6.6
Port 3
Port P3 is an 8-bit general purpose bidirectional port. The registers of P3 are
summarized in Table 6-11.
Table 6-11 Port 3 Registers
Register Short Name Register Full Name
P3_DATA
Port 3 Data Register
P3_DIR
Port 3 Direction Register
P3_OD
Port 3 Open Drain Control Register
P3_PUDSEL
Port 3 Pull-Up/Pull-Down Select Register
P3_PUDEN
Port 3 Pull-Up/Pull-Down Enable Register
P3_ALTSEL0
Port 3 Alternate Select Register 0
P3_ALTSEL1
Port 3 Alternate Select Register 1
6.6.1 Functions
Table 6-12 Port 3 Input/Output Functions
Port Pin Input/Output Select Connected Signal(s)
P3.0
Input
GPI
P3_DATA.P0
ALT 1 CC60_0
ALT 2 –
ALT 3 –
Output
GPO
P3_DATA.P0
ALT1
CC60_0
ALT2
–
P3.1
Input
GPI
P3_DATA.P1
ALT 1 –
ALT 2 –
ALT 3 –
Output
GPO
P3_DATA.P1
ALT1
COUT60_0
ALT2
–
From/to Module
–
CCU6
–
–
–
CCU6
–
–
–
–
–
–
CCU6
–
User’s Manual
Parallel Ports, V 0.3
6-28
V 0.2, 2005-01