Table 13-22 Channel 0 Bus Utilization Control Registers Description - Motorola DragonBall MC9328MX1 Reference Manual

Integrated portable system processor
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BUCR0
Channel 0 Bus Utilization Control Register
BUCR1
Channel 1 Bus Utilization Control Register
BUCR2
Channel 2 Bus Utilization Control Register
BUCR3
Channel 3 Bus Utilization Control Register
BUCR4
Channel 4 Bus Utilization Control Register
BUCR5
Channel 5 Bus Utilization Control Register
BUCR6
Channel 6 Bus Utilization Control Register
BUCR7
Channel 7 Bus Utilization Control Register
BUCR8
Channel 8 Bus Utilization Control Register
BUCR9
Channel 9 Bus Utilization Control Register
BUCR10
Channel 10 Bus Utilization Control Register
BIT
31
30
29
TYPE
r
r
r
0
0
0
RESET
BIT
15
14
13
TYPE
rw
rw
rw
0
0
0
RESET
Table 13-22. Channel 0 Bus Utilization Control Registers Description
Name
Reserved
Reserved—These bits are reserved and should read 0.
Bits 31–16
CCNT
Clock Count—Sets the number of system clocks that must occur before the memory channel
Bits 15–0
releases the AHB, before the next DMA request for the channel.
MOTOROLA
28
27
26
25
r
r
r
r
0
0
0
0
12
11
10
9
rw
rw
rw
rw
0
0
0
0
DMA Controller
24
23
22
21
20
r
r
r
r
r
0
0
0
0
0
0x0000
8
7
6
5
4
CCNT
rw
rw
rw
rw
rw
0
0
0
0
0
0x0000
Description
Programming Model
Addr
0x00209098
0x002090D8
0x00209118
0x00209158
0x00209198
0x002091D8
0x00209218
0x00209258
0x00209298
0x002092D8
0x00209318
19
18
17
16
r
r
r
r
0
0
0
0
3
2
1
0
rw
rw
rw
rw
0
0
0
0
13-29

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