S3C44B0X Samsung, S3C44B0X Datasheet - Page 211

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S3C44B0X

Manufacturer Part Number
S3C44B0X
Description
BGA
Manufacturer
Samsung
Datasheets

Specifications of S3C44B0X

Date_code
02+
S3C2400 RISC MICROPROCESSOR
DMA
8
DMA
OVERVIEW
S3C2400 supports four-channel DMA controller that is located between the system bus and the peripheral bus. Each
channel of DMA controller can perform data movements between devices in the system bus and/or peripheral bus
with no restrictions. In other words, each channel can handle the following four cases: 1) both source and destination
are in the system bus, 2) source is in the system bus while destination is in the peripheral bus, 3) source is in the
peripheral bus while destination is in the system bus, 4) both source and destination are in the peripheral bus.
The main advantage of DMA is that it can transfer the data without CPU intervention. The operation of DMA can be
initiated by S/W, the request from internal peripherals or the external request pins.
8-1

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