Analog Devices ADSP-TS101 TigerSHARC Hardware Reference Manual page 294

External Port DMA
Table 7-12. External Memory TCB
– External Memory to External I/O Device (Flyby)
Receiver Configuration
TCB
Register Field
DI
DX
DY
DP TY
DP PR
DP 2DDMA
DP LEN
DP INT
DP DRQ
DP CHEN
DP CHTG
DP CHPT
in each processor's memory to specify which channels are currently avail-
able. This memory location should only be modified using a
read-modify-write operation.
7-60
Description
Irrelevant
Number of words to transfer and address modifier.
Irrelevant
External I/O device (Flyby)
Irrelevant
Must be cleared.
Must be the same value as the
register.
DP
Sets interrupt
1 – Interrupts the core once the complete block is transferred.
Irrelevant if the bit is set in the transmitter's
INT
register.
Sets transfer mode
1 – Transfers each data item per request.
Irrelevant if the bit is set in the transmitter's
DRQ
register.
Sets chaining
1 – Enables chaining.
Irrelevant if the bit is set in the transmitter's
CHEN
ister.
Defines register to be loaded; must be channel 0.
TCB
Chaining pointer – relevant when chaining is enabled.
ADSP-TS101 TigerSHARC Processor
field in the transmitter's
LEN
TCB DP
DP
TCB
TCB DP
Hardware Reference
TCB
reg-