Dmagrpmsk; D.13 Dmagrpmsk - Intel 386 User Manual

Intel386™ EX EMBEDDED MICROPROCESSOR USER'S MANUAL

D.13 DMAGRPMSK

DMA Group Channel Mask

DMAGRPMSK

(read/write)
7
— —
Bit Bit
Number Mnemonic
7–2 —
1 HRM1
0 HRM0
D-18
— —
Reserved. These bits are undefined; for compatibility with future devices,
do not modify these bits.
Hardware Request Mask 1:
0 = Channel 1's hardware requests are not masked.
1 = Masks (disables) channel 1's hardware requests. When this bit is
set, channel 1 can still receive software requests.
Hardware Request Mask 0:
0 = Channel 0's hardware requests are not masked.
1 = Masks (disables) channel 0's hardware requests. When this bit is
set, channel 0 can still receive software requests.
Expanded Addr: F00FH
ISA Addr: 000FH
Reset State: 03H
— — HRM1
Function
0
HRM0