adm6993 Infineon Technologies Corporation, adm6993 Datasheet - Page 20

• Manufacturer Part Number: adm6993
• Description: Adm6993/x Hdlc To Fast Ethernet Converter
• Manufacturer: Infineon Technologies Corporation

Table 10
Pin or
Ball
No.
36
38
33
32
13, 52,
64, 89,
109,
110
9, 10,
57, 91,
115,
116
77,
118,
119
79,
126,
127
Table 11
Pin or
Ball
No.
6
15
14
78
34
37
35
26
27
Data Sheet
Name
GNDBIAS
VCCBIAS
GNDPLL
VCCPLL
GNDIK
VCCIK
GNDO
VCC3O
Name
INT
SDIO
SDC
CKO25M
CONTROL
RTX
VREF
RC
XI
Ground/Power Interface (27 Pins) (cont’d)
Miscellaneous (14 Pins)
Pin
Type
GND, A
PWR, A
GND, A
PWR, A
GND, D
PWR, D
GND, D
PWR, D
Pin
Type
O
I/O
I
O
AO
A
A
I
AI
Buffer
Type
TTL
OD
4mA
TTL
PU
8mA
TTL
8mA
TTL
PU
8mA
TTL
ST
Buffer
Type
Function
Interrupt
This pin will be used to interrupt external management device.
This is a low active and open drain pin.
Serial Management Data
This pin is in/out to PHY. When RESETL is low, this pin will be
tristate.
Serial Management Data Clock
50M output for RMII and 25M Clock output for others
FET Control Signal
The pin is used to control FET for 3.3 V to 2.5 V regulator.
TX Resistor
Analog Power Failure Detected
RC Input for Power On Reset
ADM6993/X sample pin RC as RESETL with the clock input
from pin XI.
25M Crystal Input
25M Crystal Input. Variation is limited to +/- 50ppm.
Function
Ground used by digital substrate
3.3 V used for bios block
Ground used by PLL
2.5 V used for PLL
Ground used by digital core and pre-driver
2.5 V used for digital core and pre-driver
Ground used by digital pad
3.3 V used for digital pad.
20
Interface Description
Rev 1.11, 2005-11-28
ADM6993/X