adm6993 Infineon Technologies Corporation, adm6993 Datasheet - Page 13

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

Table 5
Pin or Ball No. Name
85
84
88
108
107
106
105
104
93
92
103
90
96
95
94
Data Sheet
Port 2 (MII/RMII/GPSI) Interface (17 Pins) (cont’d)
P2TXD2
P2BUSMD0
P2TXD3
P2BUSMD1
P2TXEN
DISBP
P2RXD_3
P2RXD_2
P2RXD_1
P2RXD_0
P2RXDV
P2COL
P2CRS
P2RXCLK
P2TXCLK
P2LINKF
P2SPDTEN
P2DPHALF
Pin
Type
I/O
I/O
I/O
I
I
I
I
I
I
I
I
I
Buffer
Type
TTL, PD,
8mA
PD, 8mA Port 2 MII Transmit Data bit 3
PD, 8mA Port 2 MII Transmit Enable
TTL, PD Port 2 MII Receive Data bit 3 ~ 0
TTL, PD Port 2 MII Receive Data Valid
TTL, PD Port 2 MII Collision input
TTL, PD Port 2 MII Carrier Sense
TTL, PD Port 2 MII Receive Clock Input
TTL, PD Port 2 MII Transmit Clock Input
TTL, PU P2LINKF
TTL, PD P2SPDTEN
TTL, PD P2DPHALF
13
Function
Port 2 MII Transmit Data bit 2
Synchronous to the rising edge of TXCLK.
P2BUSMD0
During power on reset, value will be latched by
ADM6993/X at the rising edge of RESETL as
P2BUSMD0.
P2BUSMD1
During power on reset, value will be latched by
ADM6993/X at the rising edge of RESETL as
P2BUSMD1.
BUSMD[1:0] Interface
00
01
10
11
Synchronous to the rising edge of TXCLK
DISBP. Disable Back Pressure
0
1
This pin will be used to input the Link Status of Port2
1
This pin will be used as Port 2 Speed Status input
1
This pin will be used as Port 2 Duplex Status input
1
B
B
B
B
B
B
B
B
B
, MII(Default)
, RMII
, GPSI
, HDLC
, Enable back-pressure(Default)
, Disable back-pressure
, Link Fail
, 10M
, Half Duplex
Interface Description
Rev 1.11, 2005-11-28
ADM6993/X