C515A_9708 Datasheet, PDF (53/182 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

On-Chip Peripheral Components
C515A
Table 6-1
Alternate Functions of Port 1 and 3
Port
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
Alternate
Functions
INT3 / CC0
INT4 / CC1
INT5 / CC2
INT6 / CC3
INT2
T2EX
CLKOUT
T2
Description
External Interrupt 3 input / Capture/compare 0 input/output
External Interrupt 4 input / Capture/compare 1 input/output
External Interrupt 5 input / Capture/compare 2 input/output
External Interrupt 6 input / Capture/compare 3 input/output
External Interrupt 2 input
Timer 2 external reload/trigger input
System clock output
Timer 2 external count input
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
RxD
TxD
INT0
INT1
T0
T1
WR
RD
Serial port’s receiver data input (asynchronous) or
data input/output (synchronous)
Serial port’s transmitter data output (asynchronous)
or data clock output (synchronous)
External interrupt 0 input, timer 0 gate control
External interrupt 1 input, timer 1 gate control
Timer 0 external count input
Timer 1 external count input
External data memory write strobe
External data memory read strobe
Semiconductor Group
6-2
1997-08-01