saf-xc888cm-8ffi5v Infineon Technologies Corporation, saf-xc888cm-8ffi5v Datasheet - Page 73

• Manufacturer Part Number: saf-xc888cm-8ffi5v
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

Figure 19
Figure 19
Data Sheet
AltDataOut 3
AltDataOut 2
AltDataOut1
AltDataIn
Internal Bus
shows the structure of a bidirectional port pin.
General Structure of Bidirectional Port
Direction Register
Pull-up/Pull-down
Pull-up/Pull-down
Control Register
Enable Register
Alternate Select
Alternate Select
Data Register
Select Register
Px_ALTSEL0
Px_ALTSEL1
Px_PUDSEL
Px_PUDEN
Open Drain
Px_Data
Register 0
Register 1
Px_DIR
Px_OD
Out
In
11
10
00
01
66
enable
enable
Schmitt Trigger
Output
Driver
Driver
Input
Functional Description
enable
enable
XC886/888CLM
Device
Device
Down
VDDP
Pull
Pull
Up
Pad
V1.1, 2009-01
Pin