Serial Port Tcb; Spi Tcb - Analog Devices SHARC ADSP-214 Series Hardware Reference Manual

TCB Storage

Serial Port TCB

The serial ports support single and chained DMA.
required TCBs for chained DMA
Table 2-14. SPORT TCBs
Address
CP[27:0]
CP[27:0] + 0x1
CP[27:0] + 0x2
CP[27:0] + 0x3

SPI TCB

The serial peripheral interfaces supports both single and chained DMA.
However, unlike the serial ports, programs cannot insert a TCB in an
active chain. Table 2-15
Table 2-15. SPI/SPIB TCBs
Address
CP[18:0]
CP[18:0] + 0x1
CP[18:0] + 0x2
CP[18:0] + 0x3
2-14
www.BDTIC.com/ADI
Register
CPSPx Chain Pointer
ICSPx Internal Count
IMSPx Internal Modifier
IISPx Internal/External Index
shows the required TCBs for chained DMA.
Register
CPSPI/B Chain Pointer
ICSPI/B Internal Count
IMSPI/B Internal Modifier
IISPI/B Internal Index
ADSP-214xx SHARC Processor Hardware Reference
Table 2-14 shows the