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AX88195P Datasheet(PDF) 12 Page - ASIX Electronics Corporation

Part # AX88195P
Description  10/100BASE Local CPU Bus Fast Ethernet MAC Controller
PDF  37 Pages
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Manufacturer  ASIX [ASIX Electronics Corporation]
Direct Link  http://www.asix.com.tw
Logo ASIX - ASIX Electronics Corporation

AX88195P Datasheet(HTML) 12 Page - ASIX Electronics Corporation

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ASIX ELECTRONICS CORPORATION
12
AX88195 Local CPU Bus Fast Ethernet MAC Controller
2.3 EEPROM Signals Group
SIGNAL
TYPE
PIN NO.
DESCRIPTION
EECS
O
106
EEPROM Chip Select : EEPROM chip select signal.
EECK
O
107
EEPROM Clock : Signal connected to EEPROM clock pin.
EEDI
O
108
EEPROM Data In : Signal connected to EEPROM data input pin.
EEDO
I/PU
109
EEPROM Data Out : Signal connected to EEPROM data output pin.
Tab - 3 EEPROM bus interface signals group
2.4 SRAM Interface pins group
SIGNAL
TYPE
PIN NO.
DESCRIPTION
MEMA[15:1]
O
43, 45 – 48,
50 –53’
55 – 58,
60 – 61
SRAM Address :
MEMD[15:0]
I/O/PU
62 – 63,
65 – 68,
70 – 74,
76 – 80
SRAM Data :
/MEMRD
O
42
SRAM Read
/MEMWR
O
41
SRAM Write
Tab - 4 SRAM Interface pins group
2.5 Miscellaneous pins group
SIGNAL
TYPE
PIN NO.
DESCRIPTION
LCLK/XTALIN
I
103
CMOS Local Clock : A 25Mhz clock, +/- 100 ppm, 40%-60% duty
cycle.
Crystal Oscillator Input : A 25Mhz crystal, +/- 25 ppm can be
connected across XTALIN and XTALOUT.
XTALOUT
O
104
Crystal Oscillator Output : A 25Mhz crystal, +/- 25 ppm can be
connected across XTALIN and XTALOUT. If a single-ended external
clock (LCLK) is connected to XTALIN, the crystal output pin should
be left floating.
CLKO25M
O
101
Clock Output 25MHz : This clock is source from LCLK/XTALIN.
RESET
I/PD
127
Reset
Reset is active high then place AX88195 into reset mode immediately.
During Falling edge the AX88195 loads the power on setting data.
User can select either RESET or /RESET for applications.
/RESET
I/PU
126
/Reset
Reset is active low then place AX88195 into reset mode immediately.
During rising edge the AX88195 loads the power on setting data.
User can select either RESET or /RESET for applications.
NC
N/A
13, 16, 17,
39
No Connection : for manufacturing test only.
LVDD
P
44, 54,
100, 110,
128
Power Supply : +3.3V DC.



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