MPC8280 datasheet(625/1386 Pages) FREESCALE

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CPM Multiplexing

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

16-13

16.4.3

CMX SI2 Clock Route Register (CMXSI2CR)

The CMX SI2 clock route register (CMXSI2CR), seen in Figure 16-9, defines the connection of SI2 to the

clock sources that can be input from the bank of clocks.

Table 16-4 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

Addr

0x11B02

Figure 16-9. CMX SI2 Clock Route Register (CMXSI2CR)

Table 16-4. CMXSI2CR Field Descriptions

Bits

Name

Description

RTA2CS

Receive TDM A2 clock source

0 TDM A2 receive clock is CLK13.

1 TDM A2 receive clock is CLK5.

RTB2CS

Receive TDM B2 clock source

0 TDM B2 receive clock is CLK15.

1 TDM B2 receive clock is CLK17.

RTC2CS

Receive TDM C2 clock source

0 TDM C2 receive clock is CLK3.

1 TDM C2 receive clock is CLK17.

RTD2CS

Receive TDM D2 clock source

0 TDM D2 receive clock is CLK1.

1 TDM D2 receive clock is CLK19.

TTA2CS

Transmit TDM A2 clock source

0 TDM A2 transmit clock is CLK14.

1 TDM A2 transmit clock is CLK6.

TTB2CS

Transmit TDM B2 clock source

0 TDM B2 transmit clock is CLK16.

1 TDM B2 transmit clock is CLK18.

TTC2CS

Transmit TDM C2 clock source

0 TDM C2 transmit clock is CLK4.

1 TDM C2 transmit clock is CLK18.

TTD2CS

Transmit TDM D2 clock source

0 TDM D2 transmit clock is CLK2.

1 TDM D2 transmit clock is CLK20.

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