XC164CS Datasheet, PDF (44/71 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller

XC164
Derivatives
Functional Description
Table 7
Summary of the XC164’s Parallel Ports
Port
PORT0
PORT1
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
Port 3
Port 4
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
CAN interface lines⁴⁾
Port 5 ---
Analog input channels to the A/D converter,
Timer control signals
Port 9
Pad drivers, Capture inputs or compare outputs
Open drain,
CAN interface lines⁴⁾
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.}
4) _{Can be assigned by software.}
Data Sheet
40
V2.1, 2003-06