MX98726 Ver la hoja de datos (PDF) - Macronix International
Número de pieza
componentes Descripción
Lista de partido
MX98726 Datasheet PDF : 55 Pages
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MX98726
10/100 Tranceiver interface :
PIN#
14
17
16
23
24
29
Pin Name
RDA
CKREF(X1)
X2
RXIN
RXIP
TXON
Type
O
I, TTL
O
I
I
O
30
TXOP
O
32
CPK
O
33
RTX2EQ
O
34
RTX
O
Description
RDA external resistor to ground: 10K ohm, 5%
25Mhz , 30 PPM external osc./crystal input :
25Mhz , 30 PPM external crystal output :
Twisted pair receive differential input: support both 10/100 Mbps speed
Twisted pair receive differential input: support both 10/100 Mbps speed
Twisted pair transmit differential output: support both 10/100 Mbps speed,
meet 802.3/802.3u spec.
Twisted pair transmit differential output: support both 10/100 Mbps speed,
meet 802.3/802.3u spec.
NC pin : used in test mode only
RTX2EQ external resistor to ground: 1.4K ohm, 5%
RTX external resistor to ground: 560 ohm, 5%
Miscellaneous :
PIN#
110
44
84
Pin Name
EECS
C46/C66
LED0
Type
O,2ma
I,TTL
O,16ma
83
LED1
O,16ma
42
UPTYPE0, I,TTL
43
NC
Description
EEPROM Chip Select Signal : Active high
EEPROM Size Select : Set for C46, reset for C66. Internal pull-up.
LED0 : SPEED LED, when light is on, it indicates 100 Mbps speed. When
off indicates 10 Mbps speed.
LED1 :Link/Activity LED, when light is stable and on, it indicates good link.
When flashing, indicates TX and RX activities. When off means bad link.
uP type select control bit 1-0: UPTYPE1 is internally pull-up, UPTYPE0 is
internally pull-down.
UPTYPE0 uP selected
0
80188
1
80186
No connect
P/N:PM0555
MACRONIX INTERNATIONAL CO., LTD. reserves the rignt to change product and specifications without notice.
7
REV. 0.9.8, FEB. 14, 2000
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