Nmsi3 Port Or Port A Pins Or Scp Pins; Figure 5-12. Nmsi3 Port Or Port A Pins Or Scp Pins; Table 5-9. Baud Rate Generator Outputs - Motorola MC68302 User Manual

Integrated multiprotocol processor

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Signal Description

triggers. TCLK2 acts as the SCC2 baud rate generator output if SCC2 is in one of the mul-

tiplexed modes.

• SDS2/PA7/BRG2

5.15 NMSI3 PORT OR PORT A PINS OR SCP PINS

The NMSI3 port or port A pins or SCP pins are shown in Figure 5-12.

These eight pins can be used either as the NMSI3 port or as the NMSI3 port (less three mo-

dem lines) and the SCP port. If the SCP is enabled (EN bit in SPMODE register is set), then

the three lines are connected to the SCP port. Otherwise, they are connected to the SCC3

Each of the port A I/O pins can be configured individually to be general-purpose I/O pins or

a dedicated function in NMSI3. When they are used as the NMSI3 pins, they function exactly

NOTE: In NMSI mode, the baud rate generator outputs can also

appear on the RCLK and TCLK pins as programmed in the

SCON register.

MC68302 USER'S MANUAL

RCLK3 / PA10

TCLK3 / PA11

CTS3 / SPRXD

RTS3 / SPTXD