AM186ES Advanced Micro Devices, AM186ES Datasheet - Page 142

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AM186ES

Manufacturer Part Number
AM186ES
Description
microcontrollers provide a low-cost/ high-performance solution for embedded system designers who wish to use the x86 architecture.
Manufacturer
Advanced Micro Devices
Datasheets

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9.3.7
Figure 9-7
9-10
DMA Source Address Low Register (Low Order Bits)
(D0SRCL, Offset C0h, D1SRCL, Offset D0h)
Figure 9-7 shows the DMA Source Address Low register. The sixteen bits of this register
are combined with the four bits of the DMA Source Address High register (see Figure 9-6)
to produce a 20-bit source address.
DMA Source Address Low Register
The value of D0SRCL and D1SRCL at reset is undefined.
Bits 15–0: DMA Source Address Low (DSA15–DSA0)—These bits are driven onto A15–
A0 during the read phase of a DMA transfer.
15
DMA Controller
DSA15–DSA0
7
0

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