Freescale Semiconductor MPC8260 16.4.4 CMX FCC Clock Route Register (CMXFCR)

CPM Multiplexing
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
Freescale Semiconductor 16-13
Table16-4 describes CMXSI2CR fields.
16.4.4 CMX FCC Clock Route Register (CMXFCR)
The CMX FCC clock route register (CMXFCR), shown in Figure 16-10, defines the connection of the
FCCs to the TSA and to the clock sources from the bank of clocks.
01234567
Field RTA2CS RTB2CS RTC2CS RTD2CS TTA2CS TTB2CS TTC2CS TTD2CS
Reset 0000_0000
R/W R/W
Addr 0x0x11B02
Figure 16-9. CMX SI2 Clock Route Register (CMXSI2CR)
Table16-4. CMXS I2CR Field Descriptions
Bits Name Description
0 RTA2CS Receive TDM A2 clock source
0 TDM A2 receive clock is CLK13.
1 TDM A2 receive clock is CLK5.
1 RTB2CS Receive TDM B2 clock source
0 TDM B2 receive clock is CLK15.
1 TDM B2 receive clock is CLK17.
2 RTC2CS Receive TDM C2 clock source
0 TDM C2 receive clock is CLK3.
1 TDM C2 receive clock is CLK17.
3 RTD2CS Receive TDM D2 clock source
0 TDM D2 receive clock is CLK1.
1 TDM D2 receive clock is CLK19.
4 TTA2CS Transmit TDM A2 clock source
0 TDM A2 transmit clock is CLK14.
1 TDM A2 transmit clock is CLK6.
5 TTB2CS Transmit TDM B2 clock source
0 TDM B2 transmit clock is CLK16.
1 TDM B2 transmit clock is CLK18.
6 TTC2CS Transmit TDM C2 clock source
0 TDM C2 transmit clock is CLK4.
1 TDM C2 transmit clock is CLK18.
7 TTD2CS Transmit TDM D2 clock source
0 TDM D2 transmit clock is CLK2.
1 TDM D2 transmit clock is CLK20.