SAF-C164SM Infineon Technologies, SAF-C164SM Datasheet - Page 166

• Manufacturer Part Number: SAF-C164SM
• Description: 16-Bit CMOS Microcontroller
• Manufacturer: Infineon Technologies

Figure 7-14 Block Diagram of a Port 20 Pin with Alternate Input or Alternate
Note: Signal AltEN in the above figure equals the inverted Port 20 enable signal
User’s Manual
P20.12, P20.5, P20.4, P20.1, P20.0
(P20EN).
Not all pins of Port 20 have both alternate output functions and alternate input
functions.
AltDir
AltEN
AltDataOut
AltDataIn
Output Function
Port Output
Latch
1 0
Internal Bus
7-31
Direction
Latch
0
1
0
1
Driver
Clock
Input
Latch
C164CM/C164SM
Parallel Ports
MCB05117
Derivatives
V1.0, 2002-02
Pin