zl50409 Zarlink Semiconductor, zl50409 Datasheet - Page 68

• Manufacturer Part Number: zl50409
• Description: Managed 9-port 10/100m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

12.2
12.2.1
•
•
12.2.2
•
•
FCB_HEAD_PTR1
FCB_TAIL_PTR0
FCB_TAIL_PTR1
FCB_NUM0
FCB_NUM1
BM_RLSFF_CTRL
BM_RLSFF_INFO0
BM_RLSFF_INFO1
BM_RLSFF_INFO2
BM_RLSFF_INFO3
BM_RLSFF_INFO4
BM_RLSFF_INFO5
F. System Control
GCR
DCR
DCR1
DPST
DTST
DA
Address for indirectly accessed register addresses (8/16 bits)
Address = 0 (write only)
•
•
Address for indirectly accessed register addresses (8 bits)
Address = 1 (write only)
•
•
In 16-bit or serial mode: Address bits [15:0]
In 8-bit mode: Address bits [7:0]
In 16-bit or serial mode: NA
In 8-bit mode: Address bits [15:8]
Directly Accessed Registers
Register
INDEX_REG0
INDEX_REG1 (only needed for 8-bit mode)
FCB Head Pointer [15:8]
FCB Tail Pointer [7:0]
FCB Tail Pointer [15:8]
FCB Number [7:0]
FCB Init Start and FCB
Number [14:8]
Read control register
Bm_rlsfifo_info[7:0]
Bm_rlsfifo_info[15:8]
Bm_rlsfifo_info[23:16]
Bm_rlsfifo_info[31:24]
Bm_rlsfifo_info[39:32]
Fifo_cnt[2:0],Bm_rlsfifo_in
fo[44:40]
Global Control Register
Device Control Register
Device Control Register 1
Device Port Status
Register
Data read back register
DA Register
Table 13 - Register Description (continued)
Description
Zarlink Semiconductor Inc.
ZL50409
68
CPU Addr
(Hex)
ECC
ECD
ECA
ECB
EC2
EC3
EC4
EC5
EC6
EC7
EC8
EC9
F00
F01
F02
F03
FFF
F04
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
(Hex)
Addr
I²C
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Default
0DA
000
000
000
000
006
000
000
000
NA
NA
NA
NA
NA
NA
NA
NA
NA
Data Sheet
Notes