ST802RT1BFR STMicroelectronics, ST802RT1BFR Datasheet - Page 21

• Manufacturer Part Number: ST802RT1BFR
• Description: TXRX ETH 10/100 REAL TIME 48LQFP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST802RT1BFR

• Number Of Drivers/receivers: 1/1
• Protocol: Ethernet
• Voltage - Supply: 3.15 V ~ 3.45 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Operating Supply Voltage: 3.3 V
• Supply Current: 4.5 mA
• Operating Temperature Range: - 40 C to + 105 C
• Mounting Style: SMD/SMT
• Power Dissipation Pd: 315 mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10431

ST802RT1A, ST802RT1B
Table 11.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Jabber Detect
MF Preamble
Remote Fault
100BASE-T4
Suppression
RESERVED
RESERVED
RESERVED
RESERVED
100BASE-X
100BASE-X
Half Duplex
Half Duplex
Negotiation
Negotiation
Full Duplex
Full Duplex
Link Status
10BASE-T
10BASE-T
Capability
Bit name
Extended
complete
ABILITY
Ability
Auto-
Auto-
RN01 [0d01, 0x01]: Status register
0 -> PHY not able to perform 100BASE-T4
Fixed to 0
1 -> PHY able to perform full-duplex 100BASE-X
Fixed to 1, internally not used
1 -> PHY able to perform half-duplex 100BASE-X
Fixed to 1
1 -> PHY able to perform full-duplex 10BASE-T
Fixed to 1, internally not used
1 -> PHY able to perform half-duplex 10BASE-T
Fixed to 1
Not used
Not used
Not used
Not used
1 -> Accepts management frames with preamble suppressed
0 -> Doesn't accept management frames without preamble
Controlled by RN14 [1].
1 -> Auto-negotiation process completed, registers 4, 5, 6 are now
valid
0 -> Auto-negotiation process not completed
Active only if auto-negotiation is enabled, else 0
1 -> Remote fault condition detected
0 -> No remote fault condition detected
Set when link partner signals a remote fault condition (RN05 - bit
13) or a far-end-fault indicator was asserted. Latched, so the
occurrence of a remote fault causes the remote fault bit to become
set and remain set until it is cleared (by register read, if no more
fault is present).
1 -> PHY is able to perform auto-negotiation
Fixed to 1
1 -> Link is valid and established (either for 10 and 100 Mb/s)
0 -> Link is down
This bit is cleared at link failure and set after a register read if a
valid link is established
1 -> Jabber condition detected: transmission exceeded max
number of bytes
0 -> No jabber condition detected.
Set at jabber condition detection, cleared only after register read
(if no more jabber condition is present).
Working on 10Base-T only. Fixed to 0 in 100Base-X modes
1 -> extended register capabilities
Fixed to 1
Doc ID 17049 Rev 1
Description
Registers and descriptors description
Default
0
1
1
1
1
0
0
0
0
1
0
0
1
0
0
1
type
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Type
21/58
LH
LH
LL
P
P
P
P
P
P
P
P
P
P
P
-
-