Serial Port Signals - Analog Devices ADSP-21261 SHARC Hardware Reference Manual

Serial Port Signals

Figure 9-2 shows all of the signals used in the serial ports.
SIGNAL ROUTING
UNIT (SRU)
SP ORT 0_DA_I O
SP ORT 0_DB_I O
S PORT0_ CLK_IO
SP ORT 0_FS _IO
SP ORT 1_DA_I O
SP ORT 1_DB_I O
S PORT1_ CLK_IO
SP ORT 1_FS _IO
SP ORT 2_DA_I O
SP ORT 2_DB_I O
S PORT2_ CLK_IO
SP ORT 2_FS _IO
SP ORT 3_DA_I O
SP ORT 3_DB_I O
S PORT3_ CLK_IO
SP ORT 3_FS _IO
SP ORT 4_DA_I O
SP ORT 4_DB_I O
S PORT4_ CLK_IO
SP ORT 4_FS _IO
SP ORT 5_DA_I O
SP ORT 5_DB_I O
S PORT5_ CLK_IO
SP ORT 5_FS _IO
Figure 9-2. DSP Standard Serial Mode – Serial Port Signals

Pairings of SPORTs (0 and 1, 2 and 3, and 4 and 5) are only used
in multichannel mode and loopback mode for testing.
ADSP-2126x SHARC Processor Hardware Reference
SERIAL PO RT SPO RT SIGNALS
SPORT0_DA
S PORT0_DA
SPORT0_DB
S PORT0_DB
SPORT0 SPORT0_CLK
S PORT0_CLK
SPORT0_FS
S PORT0_FS SPORT1_DA
SPORT1_DB
SPORT1_CLK
S PORT1_DA
SPORT1_FS
S PORT1_DB
SPORT1
S PORT1_CLK
SP ORT1 _FS
SPORT2_DA
S PORT2_DA
SPORT2_DB
S PORT2_DB
SPORT2
SPORT2_CLK
S PORT2_CLK
SPORT2_FS
SP ORT2 _FS SPORT3_DA
SPORT3_DB
SPORT3_CLK
S PORT3_DA SPORT3_FS
S PORT3_DB
SPORT3
S PORT3_CLK
SP ORT3 _FS
SPORT4_DA
S PORT4_DA
SPORT4_DB
S PORT4_DB
SPORT4 SPORT4_CLK
S PORT4_CLK
SPORT4_FS
SP ORT4 _FS SPORT5_DA
SPORT5_DB
SPORT5_CLK
S PORT5_DA SPORT5_FS
S PORT5_DB
SPORT5
S PORT5_CLK
SP ORT5 _FS
Serial Ports
= SPORT0 CHANNEL A DA TA (RX OR TX)
= SPORT0 CHANNEL B DA TA (RX OR TX)
= SPORT0 SERIAL CLOCK
= SPORT0 FRAME SYNC
= SPORT1 CHANNEL A DA TA (RX OR TX)
= SPORT1 CHANNEL B DA TA (RX OR TX)
= SPORT1 SERIAL CLOCK
= SPORT1 FRAME SYNC
= SPORT2 CHANNEL A DATA (RX OR TX)
= SPORT2 CHANNEL B DATA (RX OR TX)
= SPORT2 SE RIAL CLOCK
= SPORT2 FRAME SYNC
= SPORT3 CHANNEL A DATA (RX OR TX)
= SPORT3 CHANNEL B DATA (RX OR TX)
= SPORT3 SE RIAL CLOCK
= SPORT3 FRAME SYNC
= SPORT4 CHANNEL A DATA (RX OR TX)
= SPORT4 CHANNEL B DATA (RX OR TX)
= SPORT4 SERIAL CLOCK
= SPORT4 FRAME SYNC
= SPORT5 CHANNEL A DATA (RX OR TX)
= SPORT5 CHANNEL B DATA (RX OR TX)
= SPORT5 SERIAL CLOCK
= SPORT5 FRAME SYNC
9-5