C511_1 Datasheet, PDF (44/128 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

On-Chip Peripheral Units
Ports 1 and 3 provide several alternate functions as listed in table 6-3:
Table 6-3
Alternate Functions of Port 1 and 3
Port
P1.0
P1.1
Symbol
T2
T2EX
P1.2
P1.3
P1.4
P1.5
P3.0
SCLK
SRI
STO
SLS
RXD
P3.1 TXD
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
INT0
INT1
T0
T1
WR
RD
Function
Input to counter 2 (SAB-C513/513A/C513A-H only)
Capture-reload trigger of timer 2 / up-down count
(SAB-C513/513A/C513A-H only)
SSC master clock output, slave clock input
SSC serial data in
SSC serial data out
SSC slave select
Serial port’s receiver data input (asynchronous) or data input/output
(synchronous, not available at SAB-C511/C511A)
Serial port’s transmitter data output (asynchronous) or data clock output
(synchronous, not available at SAB-C511/C511A)
External interrupt 0 input, timer 0 gate control
External interrupt 1 input, timer 1 gate control
Timer 0 external counter input
Timer 1 external counter input
External data memory write strobe
External data memory read strobe
Semiconductor Group
6-11