MT933 Zarlink Semiconductor, MT933 Datasheet - Page 8

• Manufacturer Part Number: MT933
• Description: MT933 - 3.3V 10/100 Fast Ethernet Transceiver to Mii
• Manufacturer: Zarlink Semiconductor

8
MT933
Pin list
55, 56, 57, 58 RXD0, RXD1,
60, 61, 62, 63 TXD0, TXD1,
MD interface
MII interface
31, 30, 29,
17, 13
Pin #
20
19
28
23
35
36
14
41
40
46
45
53
51
59
43
64
50
49
22
48
11
12
4
2
6
7
PA2, PA3, PA4
RXD2, RXD3
TXD2, TXD3
TXREF100
PA0, PA1,
TXREF10
RESETN
REFCLK
RX_CLK
TX_CLK
RX_DV
RX_ER
COLST
SPDST
TX_EN
TX_ER
ACTST
XTAL1
XTAL2
Name
TXON
TXOP
ANEN
MDIO
FDST
MINT
RXIN
RXIP
MDC
CRS
COL
5
LNKST
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
IOput
IOput
IOput
IOput
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Description
Differential receive pair from magnetics (-)
Differential receive pair from magnetics (+)
100 Differential transmit pair to magnetics (-)
100 Differential transmit pair to magnetics (+)
10BASE-T transmitter current setting pin
100BASE-TX transmitter current setting pin
Active low, power on reset output and external reset input
25MHz crystal input
25MHz crystal input
Management interface clock (up to 2.5MHz)
Management data
Receive clock (2.5MHz for 10, 25MHz for 100)
Receive data MII interace
Receive data valid. Active high.
Receive error. Active high. (RXD4 in symbol mode)
Reference clock
Transmit clock (2.5MHz for 10, 25MHz for 100)
Transmit Data MII interface
Transmit Enable. Active high.
Transmit Error. Active high. (TXD4 in symbol mode)
Carrier sense signal. Active high.
Collision signal. Active high.
Auto Negotiation enable. Active high.
MII interrupt control.
Receive / transmit active indication (LED interface). Active low.
Collision active indication (LED interface) Active low.
Full duplex indication when RESET_N high (LED interface). Active low. Input
when RESET_N is low. High input means 933 advertises full duplex capability.
Output
Speed indication when RESET_N high (LED interface). High for 100Mb/s mode.
Input when RESET_N is low. Low input means 933 advertises 100Mb/s
Phy address
capability.
Link OK indication (LED interface). Active low.