參數(shù)資料
型號: MDS213
廠商: Zarlink Semiconductor Inc.
英文描述: 12-Port 10/100Mbps + 1Gbps Ethernet Switch
中文描述: 12口10/100Mbps千兆以太網(wǎng)交換機
文件頁數(shù): 68/120頁
文件大?。?/td> 1678K
代理商: MDS213
MDS213
Data Sheet
68
Zarlink Semiconductor Inc.
18.2 Register definitions
18.2.1 Device Configuration Register
18.2.1.1 GCR - Global Control Register
Access:
Zero-Wait-State,
Direct Access,
Write only
Address:
h7C0
Bit [2:0]
Op-Code
3-bit Operation Control Code
Bit [7:4]
SYN bits, reserved for HISC Usage.
CPUIRDAT1
CPU Internal RAM Data Register - 1
58C
W/R
CPUIRDAT2
CPU Internal RAM Data Register - 2
590
W/R
CPUIRRDY
Internal RAM Read Ready for CPU
594
--/R
LEDR
LED Register
598
W/R
10. Ethernet MAC Port Control Registers - (substitute [N] with Port Number, N = {0..12})
ECR0
MAC Port Control Register
[N*4]0
W/R
ECR1
MAC Port Configuration Register
[N*4]4
W/R
ECR2
MAC Port Interrupt Mask Register
[N*4]8
W/R
ECR3
MAC Port Interrupt Status Register
[N*4]C
--/R
ECR4
Status Counter Wrap Signal
[N*4+1]0
--/R
PVIDR
PVID Register
[N*4+2]4
W/R
Op-Code
Command
Description
000
Clr RST
Clear Device Reset:
- Allows state machines to exit from RESET state
and to initialize their internal control parameters if necessary.
001
RESET
Device Reset:
-- Resets all internal state machines of each device and
stays in RESET state (except the Processor Bus Interface logic).
010
EXEC
Execution:
-- Allows state machines to start their normal operations.
011
--
No-Op
1XX
--
No-Op
Table 9 - Global Control Register
Tag
Description
Address
W/R
Table 8 - MDS212 Register Map (continued)
SYN
24 23
31
20 19
8 7 4 3 2 0
16 15
12 11
Op-Code
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