ADSP-21368 SHARC Processor Hardware Reference 2-23
I/O Processor
22 IDP_FIF0 D 0x24D0 DAI IDP Channel 6
23 IDP_FIF0 D 0x24D0 DAI IDP Channel 7
24 RXSPI, TXSPI E 0x1004, 0x1003 SPI Data
25 RXSPIB, TXSPIB G 0x2804, 0x2803 SPI Data
26 MTM Read FIFO G Not accessible Memory-to-Memory
Read Data
27 THR0 G 0x3C00 UART0 Transmit
Holding Register
28 RBR0 G 0x3C00 UART0 Receive Buffer
Register
29 THR1 G 0x4000 UART1 Transmit
Holding Register
30 RBR1 G 0x4000 UART1 Receive Buffer
Register
31 EPDF0 G 0x182C External Port Channel0
Data FIFO
32 EPTF0 G 0x182D External Port Channel0
Tap List FIFO
33 EPDF1 G 0x183C External Port Channel1
Data FIFO
34 EPTF1 G 0x183D External Port Channel1
Tap List FIFO
35 (lowest
priority)
MTM Write FIFO G Not accessible Memory-to Memory
Write Data
Table 2-5. DMA Channel Allocation and Parameter Register
Assignments (Cont’d)
DMA
Channel
Number
Data Buffer Group IOP Address of
Data Buffers
Description