PXF4336 Datasheet, PDF (377/425 Pages) Infineon Technologies AG – ABM Premium ATM Buf fer Manager

Register 127 MODE2
ABM-P Mode 2 Register
ABM-P
PXF 4336 V1.1
Register Description
CPU Accessibility:
Reset Value:
Offset Address:
Typical Usage:
Read/Write
0800_H
MODE
EF_H
Written and Read by CPU
Bit
15
14
13
12
11
10
SD
CAW
SDRR unused ERCPD TUTS
DQSC
9
8
QS(1:0)
Bit
7
6
PNSRC
5
4
3
MNUM(3:0)
2
1
0
PNUM(2:0)
SDCAW
SDRAM Column Address Width
0
8 bit
1
9 bit
SDRR
SDRAM Refresh Rate
0
Default Refresh Rate (4096 cycles/s)
1
Double Refresh Rate (8192 cycles/s)
ERCPD
ERC Power Down
0
ERC active
1
ERC in power-down mode
TUTS
Tristate all UTOPIA Signals
0
Normal mode
1
UTOPIA Signals in Tristate mode
DQSC
Disable Quarter Segment Check
0
Normal mode
Data Sheet
377
2001-12-17