MX98741 データシートの表示（PDF） - Macronix International
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MX98741 Datasheet PDF : 34 Pages
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MX98741
4.0 PIN DESCRIPTION
Table 4-1 Pin Description for MX98741
PAD #
59-63
96-100
111-115
167-171
183-187
197-201
9-13
23-27
135
54-58
90-94
106-110
160-164
177-181
190-194
4-8
17-21
50,87
102,158
174,188
2,15
51,88
103,159
175,189
3,16
134
A. MX Data Transceiver (Am78965/Am78966 or MC68836), 98 pins
Name
I/O
Description
TDAT[0:7][0:4] O, EXP Transmit Data. These five outputs are 4B/5B encoded transmit
data symbols, driven at the rising edge of TXCLK.
TDAT4 is the Most Significant Bit.
TXCLK
RDAT[0:7][0:4]
I, TTL
I, TTL
Transmit Clock. This pin supplies the frequency reference to the
transmit logic. It should be driven by an external 25 MHz
crystal-controlled clock source.
Receive Data. These 5-bit parallel data symbols from transceiver
are latched by the rising edge of RSCLK.
RDAT4 is the Most Significant Bit.
RSCLK[0:7]
I, TTL
Recovered Sumbol Clock. This is a 25 MHz clock, which is derived
from the clock synchroniztion PLL circuit.
SIGDET[0:7]
COCLK
I, TTL
Signal Detect. This signal indicates that the received signal is above
the detection threshold and will be used for the link test state
machine.
I, TTL Core Clock. 50M Clock input used by Repeater Core.
P/N:PM0342
REV. 1.4, NOV. 07, 1996
3
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