ADSP-21368 SHARC Processor Hardware Reference 5-5
Serial Ports
Serial Port Signals
Figure 5-1 shows the SPORT signals (note that not all models have eight
SPORTs). Any 20 of these 32 signals can be mapped to digital audio
interface (DAI_Px) pins through the signal routing unit (SRU1). For more
information, see Chapter 4, Digital Audio/Digital Peripheral Interfaces.
Figure 5-1. DSP Standard Serial Mode – Serial Port Signals
SPO RT4
SPO RT5
SPO R T4_D A
SPO R T4_D B
SPORT4_CLK
SPO R T4_FS
SPO R T5_D A
SPO R T5_D B
SPORT5_CLK
SPO R T5_FS
SPORT4_DA = SPORT4 CHANNEL A DATA (RX OR TX)
SPORT4_DB = SPORT4 CHANNEL B DATA (RX OR TX)
SPORT4_CLK = SPORT4 SERIAL CLOCK
SPORT4_FS = SPORT4 FRAME SYNC
SPORT4_TDV = SPORT4 TRANSMIT DATA VALID
SPORT5_DA = SPORT5 CHANNEL A DATA (RX OR TX)
SPORT5_DB = SPORT5 CHANNEL B DATA (RX OR TX)
SPORT5_CLK = SPORT5 SERIAL CLOCK
SPORT5_FS = SPORT5 FRAME SYNC
SPORT5_TDV = SPORT5 TRANSMIT DATA VALID
SPORT0
SPO RT0_D A
SPO RT0_D B
SPORT0_CLK
SPO RT0_FS
SPO RT1
SPORT1_DA
SPORT1_DB
SPORT1_CLK
SPORT1_FS
SPORT0_DA_IO
SPORT0_DB_IO
SPORT0_CL K_IO
SPO RT0_FS_IO
SP ORT1_ DA_IO
SP ORT1_ DB_IO
SP ORT1 _CLK _IO
SPORT1_FS_IO
SPORT2_DA_IO
SPORT2_DB_IO
SPORT2_CLK_IO
SP ORT2_FS_ IO
SPORT3_DA_IO
SPORT3_DB_IO
SPORT3_CLK_IO
SP ORT3_FS_ IO
SPORT4_DA_IO
SPORT4_DB_IO
SPORT4_CLK_IO
SP ORT4_FS_ IO
SPORT5_DA_IO
SPORT5_DB_IO
SPORT5_CLK_IO
SP ORT5_FS_ IO
SIGNAL ROUTING
UNIT (SRU)
SPO RT2
SPO RT3
SPO R T2_D A
SPO R T2_D B
SPORT2_CLK
SPO R T2_FS
SPO R T3_D A
SPO R T3_D B
SPORT3_CLK
SPO R T3_FS
SERIAL PORT SPORT SIGNALS
SPORT2_DA = SPORT2 CHANNEL A DATA (RX OR TX)
SPORT2_DB = SPORT2 CHANNEL B DATA (RX OR TX)
SPORT2_CLK = SPORT2 SERIAL CLOCK
SPORT2_FS = S PORT2 FRAME SYNC
SPORT2_TDV = SPORT2 TRANSMIT DATA VALID
SPORT3_DA = SPORT3 CHANNEL A DATA (RX OR TX)
SPORT3_DB = SPORT3 CHANNEL B DATA (RX OR TX)
SPORT3_CLK = SPORT3 SERIAL CLOCK
SPORT3_FS = S PORT3 FRAME SYNC
SPORT3_TDV = SPORT3 TRANSMIT DATA VALID
SPORT0_DA = SPORT0 CHANNEL A DATA (RX OR TX)
SPORT0_DB = SPORT0 CHANNEL B DATA (RX OR TX)
SPORT0_CLK = SPORT0 SERIAL CLOCK
SPORT0_FS = SPORT0 FRA ME SYNC
SPORT0_TDV = SPORT0 TRANSMIT DATA VALID
SPORT1_DA = SPORT1 CHANNEL A DATA (RX OR TX)
SPORT1_DB = SPORT1 CHANNEL B DATA (RX OR TX)
SPORT1_CLK = SPORT1 SERIAL CLOCK
SPORT1_FS = SPORT1 FRA ME SYNC
SPORT1_TDV = SPORT1 TRANSMIT DATA VALID
SPO RT6
SPORT7
SPO R T6_D A
SPO R T6_D B
SPORT6_CLK
SPO R T6_FS
SPO R T7_D A
SPO R T7_D B
SPORT7_CLK
SPO R T7_FS
SPORT6_DA = SPORT6 CHANNEL A DATA (RX OR TX)
SPORT6_DB = SPORT6 CHANNEL B DATA (RX OR TX)
SPORT6_CLK = SPORT6 SERIAL CLOCK
SPORT6_FS = SPORT6 FRAME SYNC
SPORT6_TDV = SPORT6 TRANSMIT DATA VALID
SPORT7_DA = SPORT7 CHANNEL A DATA (RX OR TX)
SPORT7_DB = SPORT7 CHANNEL B DATA (RX OR TX)
SPORT7_CLK = SPORT7 SERIAL CLOCK
SPORT7_FS = SPORT7 FRAME SYNC
SPORT7_TDV = SPORT7 TRANSMIT DATA VALID
SP ORT6_ DA_IO
SP ORT6_ DB_IO
SP ORT6 _CLK _IO
SPORT6_FS_IO
SP ORT7_ DA_IO
SP ORT7_ DB_IO
SP ORT7 _CLK _IO
SPORT7_FS_IO
SP ORT 0_TD V
SPORT0_TDV_PBEN_O
SPORT1_TDVSPORT1_TDV_PBEN_O
SPORT2_TDV
SPOR T2_TDV_PBEN_O
SPORT3_TDVSPORT3_TDV_PBEN_O
SPORT4_TDV
S PO R T4_TDV _P BE N_ O
SPORT5_TDVS PO R T5_TDV _P BE N_ O
SPORT6_TDVSPORT6_TDV_PBEN_O
SPORT7_TDV
SPORT7_TDV_PBEN_O
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