GMS30C7201 Datasheet, PDF (170/352 Pages) Hynix Semiconductor – 60MHz operation frequency Low power consumption

Fast AMBA Peripherals
12.2.15Examples of Use
DMA transfer between Sound I/O device and Memory.
In the following example, data is transferred from Memory to Sound I/O device.
The transfer is performed by DMAC channel 0.
Transfer conditions
Transfer source: Memory
Register
ADR0 or
ASR
Setting value
Memory address value
The number of transfer:10
TNR0
0x000A
Source address: Increment
Interrupt enable
CCR0
0x07
Bus mode: exception
Transfer size: word
Channel priority order: CH 1> CH 2 > CH 0
DMAOR 0x01
Table 12-22: DMA transfer between Sound I/O device and Memory
DMA transfer between the transmit buffer of ICP and Memory
The transfer is performed by DMAC channel 2.
Transfer conditions
Register
Setting value
Transfer destination: Memory
ADR2
Memory address value
The number of transfer:10
TNR0
0x000A
HSSP mode and enables interrupt
CCR0
0x016
Bus mode: burst
Transfer size: word
Channel priority order: CH 2 > CH 1 >CH 0
DMAOR 0x05
Table 12-23: DMA transfer between the transmit buffer of ICP and Memory
12-16
GMS30C7201 Data Sheet