Rabbit 3000 User Manual page 152

Serial Port
Serial Port F
Figure 12-1 shows a block diagram of the serial ports.
Input to timers
or
perclk
/2 or
perclk
prescaled (Timer A1)
Figure 12-1. Block Diagram of Rabbit Serial Ports
144
Table 12-1. Serial Port Signals (continued)
Signal Name
TXF
RXF
TCLKF
RCLKF
Timer A4
Serial Port A
Timer A5
Serial Port B
Timer A6
Serial Port C
Timer A7
Serial Port D
Timer A2
Serial Port E
Timer A3
Serial Port F
Function
Serial Transmit Out
Serial Transmit In
Optional external transmit clock
Optional external receive clock
TXA
RXA
TXB
RXB
TXC
RXC
TXD
RXD
TXE
RXE
TXF
RXF
Rabbit 3000 Microprocessor
CLKA
Alternate I/O
CLKB
Alternate I/O
CLKC
CLKD
RCLKE
TCLKE
RCLKF
TCLKF