Rainbow Electronics W90N740 - Manual (Page 136)

W90N740
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However, if BME [9]=0, the GDMA_TCNT should be 0x10.
SIEN [8]: Stop Interrupt Enable
0 = Do not generate an interrupt when the GDMA operation is stopped
1 = interrupt is generated when the GDMA operation is stopped
SAFIX [7]: Source Address Fixed
0 = Source address is changed during the GDMA operation
1 = Do not change the destination address during the GDMA operation. This feature can be used
when data were transferred from a single source to multiple destinations.
DAFIX [6]: Destination Address Fixed
0 = Destination address is changed during the GDMA operation
1 = Do not change the destination address during the GDMA operation. This feature can be used
when data were transferred from multiple sources to a single destination.
DADIR [5]: Source Address Direction
0 = Source address is incremented successively
1 = Source address is decremented successively
DADIR [4]: Destination Address Direction
0 = Destination address is incremented successively
1 = Destination address is decremented successively
GDMAMS [3:2]: GDMA Mode Select
00 = Software mode (memory-to-memory)
01 = External nXDREQ1/2/3 mode for external device
10 = Reserved
11 = Reserved
GDMAEN [0]: GDMA Enable
0 = Disables the GDMA operation
1 = Enables the GDMA operation; this bit will be clear automatically when the transfer is complete on
AUTOIEN [19] register bit is on Disable mode.