參數(shù)資料
型號(hào)： 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(dòng)柜員機(jī)物理接口）
文件頁(yè)數(shù)： 12/32頁(yè)
文件大?。?/td> 193K
代理商： ΜPD98408
12
μ
PD98408
1.5 Other Pins
(1/3)
Pin Name
Pin No.
I/O
Active
Level
Function
JDI/TCLK0
28
I
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (JDI):
JTAG test data input pin.
When PMDONLY = 1 (TCLK0):
Input pin for transmit clock for the PMD transmitter (Circuit 0).
JDO/
RDATA0
36
O
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (JDO):
JTAG test data output pin.
When PMDONLY = 1 (RDATA0):
Output pin for data received from the PMD receiver (Circuit
0).
JCK/TCLK1
29
I
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (JCK):
JTAG test clock input pin.
When PMDONLY = 1 (TCLK1):
Input pin for transmit clock for the PMD transmitter (Circuit 1).
JMS/TCLK2
30
I
/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (JMS):
JTAG test mode input pin.
When PMDONLY = 1 (TCLK2):
Input pin for transmit clock for the PMD transmitter (Circuit 2).
JRST_B/
TCLK3
32
I
L/
Two pin functions can be selected according to the level of the
PMDONLY pin.
When PMDONLY = 0 (JRST_B):
JTAG test reset signal input pin.
When PMDONLY = 1 (TCLK3):
Input pin for transmit clock for the PMD transmitter (Circuit 3).
IC/TCLK4
33
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 (TCLK4):
Input pin for transmit clock for the PMD transmitter (Circuit 4).
IC/TCLK5
34
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 (TCLK5):
Input pin for transmit clock for the PMD transmitter (Circuit 5).
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