MVTX2801
Data Sheet
Ball No(s)
Symbol
I/O
Description
T30
T29
T_D[0]
T_D[1]
1
Giga link active status 0 - active low 1 -
active high
1
Power saving
0 - No power saving
1 - Power saving
Stop MAC clock if no MAC activity.
T28
U27
T_D[2]
T_D[3]
Must be pulled-down
1
Reserved - Must be pulled-down
Hot plug port module detection enable
0 - module detection enable
1 - module detection disable
T27
R27
T_D[4]
T_D[5]
Must be pulled-down
1
Reserved - Must be pulled-down
SRAM memory size
0 - 512K SRAM
1 - 256K SRAM
T26
R28
T_D[6]
T_D[7]
Reserved
1
FDB memory depth
1- one memory layer
0 - two memory layers
W4, E21
LA_A[20], LB_A[20]
11
FDB memory size
11 - 2M per bank = 4M total
10 - 1M per bank = 2M total
0x - 512K per bank = 1M total
R29
R30
R26
P27
T_D[8]
T_D[9]
T_D[10]
T_D[11]
1
1
1
1
EEPROM installed
0 - EEPROM is installed
1 - EEPROM is not installed
MCT Aging enable
0 - MCT aging disable
1 - MCT aging enable
FCB handle aging enable
0 - FCB handle aging disable
1 - FCB handle aging enable
Timeout reset enable
0 - timeout reset disable
1 - timeout reset enable Issue reset if
any state machine did not go back to
idle for 5sec.
P28, 29, 30
P26
T_D[14:12]
T_D[15]
Reserved
1
External RAM test 0 - Perform the
infinite loop of ZBT RAM BIST. Debug
test only 1 - Regular operation.
Table 8 - Ball- Signal Descriptions (continued)
84
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
