Z8F4822AR020SG Datasheet, PDF (175/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F64xx Series
Product Specification
155
DMAx Address High Nibble Register
The DMAx Address High Register, shown in Table 80, specifies the upper four bits of
address for the Start/Current and End addresses of DMAx.
Table 80. DMAx Address High Nibble Register (DMAxH)
Bit
7
Field
RESET
R/W
Address
6
5
DMA_END_H
4
3
2
1
0
DMA_START_H
X
R/W
FB2H, FBAH
Bit
Description
[7:4]
DMA_END_H
DMAx End Address High Nibble
These bits, used with the DMAx End Address Low Register, form a 12-bit End Address.
The full 12-bit address is provided by {DMA_END_H[3:0], DMA_END[7:0]}.
[3:0]
DMAx Start/Current Address High Nibble
DMA_START_H These bits, used with the DMAx Start/Current Address Low Register, form a 12-bit Start/
Current Address. The full 12-bit address is provided by {DMA_START_H[3:0],
DMA_START[7:0]}.
PS019924-0113
PRELIMINARY
DMA Control Register Definitions