XC164S Datasheet, PDF (45/72 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core

Table 7
Port
PORT0
PORT1
Port 3
Port 4
XC164S
Derivatives
Functional Description
Summary of the XC164S’s Parallel Ports
Control
Pad drivers
Pad drivers
Alternate Functions
Address/Data lines or data lines¹⁾
Address lines²⁾
Capture inputs or compare outputs,
Serial interface lines,
Fast external interrupt inputs
Pad drivers,
Open drain,
Input threshold
Pad drivers,
Open drain,
Input threshold
Timer control signals, serial interface lines,
Optional bus control signal BHE/WRH,
System clock output CLKOUT (or FOUT),
Debug interface lines
Segment address lines³⁾
Optional chip select signals
Port 5 ---
Analog input channels to the A/D converter,
Timer control signals
Port 9
Pad drivers, Capture inputs or compare outputs
Open drain,
Input threshold
Port 20 Pad drivers,
Open drain
Bus control signals RD, WR/WRL, ALE,
External access enable pin EA,
Reset indication output RSTOUT
1) For multiplexed bus cycles.
2) For demultiplexed bus cycles.
3) For more than 64 Kbytes of external resources.
Data Sheet
41
V1.0, 2005-01