Bouffalo Lab BL702 - Page 136

BL702/704/706 Reference Manual
6.5.19 DMA_C0Config
Address：0x4000c110
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD LLICOUNT RSVD HALT AC
TIVE
LOCK
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TCIM IEM FLOWCTRL DSTPH SRCPH CHEN
Bits
Name Type Reset Description
31:30 RSVD
29:20 LLICOUNT R 0 LLI counter. Increased 1 each LLI run. Cleared 0 when
config Control.
19 RSVD
18 HALT R/W 0 Halt: 0 = enable DMA requests, 1 = ignore subsequent
source DMA requests.
17 ACTIVE R 0 Active: 0 = no data in FIFO of the channel, 1 = FIFO of the
channel has data.
16 LOCK R/W 0 Lock.
15 TCIM R/W 0 Terminal count interrupt mask.
14 IEM R/W 0 Interrupt error mask.
13:11 FLOWCTRL R/W 0 000: Memory-to-memory (DMA)
001: Memory-to-peripheral (DMA)
010: Peripheral-to-memory (DMA)
011: Source peripheral-to-Destination peripheral (DMA)
100: Source peripheral-to-Destination peripheral (Destina-
tion peripheral)
101: Memory-to-peripheral (peripheral)
110: Peripheral-to-memory (peripheral)
111: Source peripheral-to-Destination peripheral (Source
peripheral)
10:6 DSTPH R/W 0 Destination peripheral.
[23:22] GPADC
[21:18] I2S
[17:14] PDM
[13:10] SSP
[ 9: 6] I2C
[ 5: 0] UART
5:1 SRCPH R/W 0 Source peripheral.
BL702/704/706 Reference Manual 136/ 375
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