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参数资料
| 型号： | MX98216EC |
| 厂商： | MACRONIX INTERNATIONAL CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP208 |
| 封装： | PLASTIC, QFP-208 |
| 文件页数： | 21/37页 |
| 文件大小： | 269K |
| 代理商： | MX98216EC |
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MX98216EC
P/N:PM0781
REV. 0.2, Apr, 18, 2001
28
The switch generates an OUTCLK clock to host processor and the same frequency will be back to the switch via
INCLK pin. There is a data format defined under below table which specifies a communication between the host
processor and switch at serial IODATA pin.
IODATA and MDIO are bi-direction I/O.
The serial management format
starts with start bit, then, follows operator, 10-bit register address, turn around, 16-bit content of data, and an idle bit.
A command/response from host processor to the switch registers, Reg28H and Reg29H, can be given based on
read/write operation, register address selection, and data.
Command
Start Bit
Operator
Register Address
Turn Around
Data
Idle
Read
01
10
AAAAAAAAAA
Z0
DDDDDDDDDDDDDDDD
Z
Write
01
AAAAAAAAAA
10
DDDDDDDDDDDDDDDD
Z
LED Interface
MX98216EC has three LEDs.
At initial stage, these represent address table self-test, memory test, and reset status
respectively.
And at normal state, these represent buffer full, packet loss, and broadcast storm status.
Users can
monitor the status of switch network via the LEDs.
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