MSC8113 Reference Manual, Rev. 0
20-18
Freescale Semiconductor
TDM Interface
Figure 20-21 illustrates how the polarity of the receive sync and the transmit sync signals is
controlled by the TDMxRIR[RSL] and the TDMxTIR[TSL] bits.
20.2.4.3 Serial Interface Synchronization
The TDM module enables communication among many devices over a single bus. The receive
and transmit of each TDM frame is identified by a frame sync signal that is asserted at the
beginning of every frame. The frame sync synchronization is necessary when more than one
device drives the bus. Figure 20-22 shows the state diagram of the frame sync synchronization.
Figure 20-20. Frame Sync Configuration At T1 Mode
Figure 20-21. Frame Sync Polarity
TDMxRCLK
TDMxRSYN
TDMxRDAT
D0
D1
D7
D0
D7
FA
D6
Start of the Frame
No sync delay
(The data and the sync sample with the same edge)
RDE=0, RFE=0, RFSD=00
data sample
sync sample
FA
TDMx(R/T)CLK
TDMx(R/T)SYN
TDMx(R/T)DAT
Channel N – 1
Channel 0
Channel 1
TDMx(R/T)CLK
TDMx(R/T)SYN
TDMx(R/T)DAT
Channel N-1
Channel 0
channel 1
Sync Level Active High (RSL/TSL=0)
Sync Level Active Low (RSL/TSL=1)
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
Page 20: ...MSC8113 Reference Manual Rev 0 xx Freescale Semiconductor Contents ...
Page 28: ...MSC8113 Reference Manual Rev 0 xxviii Freescale Semiconductor ...
Page 56: ...MSC8113 Reference Manual Rev 0 1 28 Freescale Semiconductor MSC8113 Overview ...
Page 76: ...MSC8113 Reference Manual Rev 0 2 20 Freescale Semiconductor SC140 Core Overview ...
Page 134: ...MSC8113 Reference Manual Rev 0 4 30 Freescale Semiconductor System Interface Unit SIU ...
Page 168: ...MSC8113 Reference Manual Rev 0 6 18 Freescale Semiconductor Boot Program ...
Page 180: ...MSC8113 Reference Manual Rev 0 7 12 Freescale Semiconductor Clocks ...
Page 260: ...MSC8113 Reference Manual Rev 0 8 80 Freescale Semiconductor Memory Map ...
Page 300: ...MSC8113 Reference Manual Rev 0 9 40 Freescale Semiconductor Extended Core ...
Page 304: ...MSC8113 Reference Manual Rev 0 10 4 Freescale Semiconductor MQBus and M2 Memory ...
Page 308: ...MSC8113 Reference Manual Rev 0 11 4 Freescale Semiconductor SQBus ...
Page 590: ...MSC8113 Reference Manual Rev 0 17 46 Freescale Semiconductor Interrupt Processing ...
Page 614: ...MSC8113 Reference Manual Rev 0 18 24 Freescale Semiconductor Debugging ...
Page 622: ...MSC8113 Reference Manual Rev 0 19 8 Freescale Semiconductor Internal Peripheral Bus IPBus ...
Page 724: ...MSC8113 Reference Manual Rev 0 21 32 Freescale Semiconductor UART ...
Page 920: ...MSC8113 Reference Manual Rev 0 25 150 Freescale Semiconductor Ethernet Controller ...
Page 1171: ...MSC8113 Reference Manual Rev 0 Freescale Semiconductor C 61 EF wait_rts P 01077FFC 9F rts 71 ...
Page 1172: ...MSC8113 Reference Manual Rev 0 C 62 Freescale Semiconductor MSC8113 Boot Code ...
Page 1202: ...MSC8113 Reference Manual Rev 0 Index 30 Freescale Semiconductor Index ...