Freescale Semiconductor MPC5200B ユーザーズマニュアル

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Programmer’s Model
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor
9-31
9.7.3.5
LPC Rx/Tx FIFO Read Pointer Register—MBAR + 0x3C50
 
9.7.3.6
LPC Rx/Tx FIFO Write Pointer Register—MBAR + 0x3C54
 
Table 9-22. LPC Rx/Tx FIFO Read Pointer Register
msb  0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
Reserved
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 lsb
R
Reserved
ReadPtr
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bits
Name
Description
0:22
Reserved
23:31
ReadPtr
Value is maintained by FIFO hardware and is NOT normally written. It can be adjusted in 
special cases, but this disrupts data flow integrity. Value represents the Read address 
presented to the FIFO RAM.
Table 9-23. LPC Rx/Tx FIFO Write Pointer Register
msb  0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
Reserved
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 lsb
R
Reserved
WritePtr
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bits
Name
Description
0:22
Reserved
23:31
WritePtr
Value is maintained by FIFO hardware and is NOT normally written. It can be adjusted in 
special cases, but this disrupts data flow integrity. Value represents the Read address 
presented to the FIFO RAM.