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參數(shù)資料
| 型號： | μPD98408 |
| 廠商： | NEC Corp. |
| 英文描述： | ATM Physical Interface(ATM 物理接口) |
| 中文描述： | ATM物理接口（自動柜員機(jī)物理接口） |
| 文件頁數(shù)： | 13/32頁 |
| 文件大?。?/td> | 193K |
| 代理商： | ΜPD98408 |
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13
μ
PD98408
(2/3)
Pin Name
Pin No.
I/O
Active
Level
Function
RECCLK/
RDATA1
37
O
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (RECCLK):
Output pin for the recovery clock on the receive data. The
recovery clock of circuit 0 is output.
When PMDONLY = 1 (RDATA1):
Output pin for data received from the PMD receiver (Circuit
1).
IC/RDATA3
40
O
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (IC):
No signal should be connected to this pin.
When PMDONLY = 1 (RDATA3):
Output pin for data received from the PMD receiver (Circuit
3).
IC/RDATA2
38
O
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (IC):
No signal should be connected to this pin.
When PMDONLY = 1 (RDATA2):
Output pin for data received from the PMD receiver (Circuit
2).
IC/
RCLK0-
RCLK5
19, 20, 21,
23, 24, 25
O/I
(with pull-
down
resistor)
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (IC):
No signal should be connected to these pins.
When PMDONLY = 1 (RCLK0-RCLK5):
Output pins for the clock received from the PMD receiver
(Circuits 0 to 5).
IC/TDATA0
44
I
(with pull-
down
resistor)
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (IC):
No signal should be connected to this pin.
When PMDONLY = 1 (TDATA0):
Input pin for transmit data for the PMD transmitter (Circuit 0).
IC/RDATA4
41
O
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (IC):
No signal should be connected to this pin.
When PMDONLY = 1 (RDATA4):
Output pin for the data received from the PMD receiver
(Circuit 4).
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