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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： | 35/37页 |
| 文件大小： | 269K |
| 代理商： | MX98216EC |
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MX98216EC
P/N:PM0781
REV. 0.2, Apr, 18, 2001
7
198-191
188-181
PRITY0
PRITY1
PRITY2
PRITY3
PRITY4
PRITY5
PRITY6
PRITY7
PRITY8
PRITY9
PRITY10
PRITY11
PRITY12
PRITY13
PRITY14
PRITY15
I
Per Port Priority Enable
Active low.
If pin pull high, the mapped port will act as high priority.
Subtotal
17
CPU INTERFACE
PIN#
PIN NAME
I/O
DESCRIPTION
203
ENCPU
I
CPU Interface Enable
Internally pull down.
At reset, the pin is latched as CPU interface
enable.
205
CPUSEL
I
CPU Selection
The selected chip enable from CPU.
206
OUTCLK
O
8mA
CPU Input Clock
The switch generates 8.3MHz serial clock to CPU.
207
IODATA
I/O
4mA
CPU Data Input/Output
CPU read/write data & command.
208
INCLK
I
CPU Output Clock
CPU generates 8.3MHz serial clock to Ethernet switch.
Subtotal
5
LED INTERFACE
PIN#
PIN NAME
I/O
DESCRIPTION
204
LEDA
O
8mA
Address Table Self-test/Buffer Full LED
Internally pull down. Initially, after power on or reset, address table
will be tested and LEDC (Reset function) is keeping on until internal
test finished.
If any error found in address table, LEDA will keep on.
After LEDC off, the switch is functional.
If global buffer utilization is
full within previous 40ms intervals, LEDA will be on 40ms.
It will keep
on if the buffer utilization keeps full within current intervals.
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