MSC8101PG Motorola / Freescale Semiconductor, MSC8101PG Datasheet - Page 96

• Manufacturer Part Number: MSC8101PG
• Description: MSC8101PG 16-Bit Digital Signal Processor Quick Reference
• Manufacturer: Motorola / Freescale Semiconductor

MDR
MAR
PURT
PSRT
14–15 RLFx
18–21 WLFx
22–25 TLFx
26–31 MAD
13
Bit
Bit
Bit
Bit
Bit
Bit
GPL_x4DIS
16
16
0
0
0
0
Memory Data Register
Memory Address Register
PowerPC 60x Bus-Assigned UPM Refresh Timer
PowerPC 60x Bus-Assigned SDRAM Refresh Timer
17
17
1
1
1
1
GPL_A4 Output Line Disable
Read Loop Field
Write Loop Field
Refresh Loop Field
Machine Address
18
18
2
2
2
2
PURT (Refresh Timer Period)
PSRT (Refresh Timer Period)
19
19
3
3
3
3
20
20
4
4
4
4
Table 6-12. Memory Controller Registers (Continued)
21
21
5
5
5
5
22
22
6
6
6
6
A (Memory Address)
MD (memory Data)
23
23
7
7
7
7
MD
A
0 = UPWAIT/GTA/GPL_x4 behaves as GPL_4,
1 = UPWAIT/GTA/GPL_x4 behaves as UPWAIT,
0001 = 1 time
0001 = 1 time
0001 = 1 time
Incremented by one each time the UPM is accessed and the OP field is set to
WRITE or READ
24
24
8
8
UPMx[G4T4/DLT3] is interpreted as G4T4,
UPMx[G4T3/WAEN] is interpreted as G4T3
UPMx[G4T4/DLT3] is interpreted as DLT3,
UPMx[G4T3/WAEN] is interpreted as WAEN
Reset: 0
Reset: 0
Reset: 0
Reset: 0
25
25
9
9
Equation:
Equation:
0010 = 2 times ... 1111 = 15 times
0010 = 2 times … 1111 = 15 times
0010 = 2 times … 1111 = 15 times
10
26
10
26
TimerPeriod
TimerPeriod
11
27
11
27
12
28
12
28
Type: R/W
Type: R/W
Type: R/W
Type: R/W
=
=
PSRT
----------------------- -
---------------- -
F
PURT
F
MPTC
MPTC
13
29
13
29
+
1
0000 = 16 times
0000 = 16 times
0000 = 16 times
14
30
14
30
0x1019C
0x10188
0x10168
0x10198
15
31
15
31