mc68160b Freescale Semiconductor, Inc, mc68160b Datasheet - Page 6

• Manufacturer Part Number: mc68160b
• Description: Enhanced Ethernet Transceiver
• Manufacturer: Freescale Semiconductor, Inc

STATUS INDICATOR
POWER SUPPLY AND GROUND
NOTE:
6
Pin(s)
40
41
42
43
44
45
10
11
13
14
15
20
18
19
30
33
34
35
38
39
47
7
8
Power and ground pins are not connected internally. Failure to connect externally may cause malfunction or damage to the IC.
GNDPWR
GNDPWR
GNDVCO
VDDPWR
VDDPWR
VDDVCO
GNDSUB
GNDANA
VDDANA
GNDCTL
VDDDIG
GNDDIG
VDDDIG
GNDDIG
TPJABB
VDDDIV
Symbol
VDDFM
GNDFM
RXLED
TXLED
CLLED
TPPLR
TPLIL
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
Type
O
O
O
O
O
O
Table 1. Pin Function Description (continued)
Transmit Status LED Driver Output: This pin indicates the transmit status of the currently
selected TP or AUI port. When there is no transmit activity detected, an internal pull–up takes
this pin to its normal off (high) state. When transmit activity is detected, the LED driver turns
on. In its on state, TXLED flashes the LED by driving low at approximately 10 Hz at a 50%
duty cycle. In the standby mode, this output is driven to the high impedance state.
Receive Status LED Driver Output: This pin indicates the receive status of the currently
selected TP or AUI port. When there is no receive activity detected, an internal pull–up takes
this pin to its normal off (high) state. When receive activity is detected, the LED driver turns
on. In its on state, RXLED flashes the LED by driving low at approximately 10 Hz at a 50%
duty cycle. In the standby mode, this output is driven to the high impedance state.
Collision Status LED Driver Output: This pin indicates the collision status of the currently
selected TP or AUI port. When there is no collision activity detected, an internal pull–up takes
this pin to its normal off (high) state. When collision activity is detected, the LED driver turns
on. In its on state, CLLED flashes the LED by driving low at approximately 10 Hz at a 50%
duty cycle. In the standby mode, this output is driven to the high impedance state.
Twisted Pair Link Integrity Output: This output is driven to the low output state to indicate
good link integrity on the TP port during TP mode. It is deasserted (high) when link integrity
fails in TP mode. The TPLIL output is driven to the high impedance state when the AUI port
is selected. In the standby mode, this output is also driven to the high impedance state.
Twisted Pair Polarity Error Output: If TPAPCE is high and the wires connected to the
Twisted Pair Receiver Inputs (TPRX+, TPRX–) are reversed, TPPLR will be driven to the low
logic state to indicate the fault. TPPLR remains low when the MC68160B has automatically
corrected for the reversed wires. If the twisted pair link integrity tests fail, this output will be
driven to the high logic state. When the AUI mode is selected this output is driven to the high
impedance state. In the standby mode, this output is also driven to the high impedance state.
Twisted Pair Jabber Output: This pin is driven high to indicate a jabber condition at the
TPTX+/– outputs. (Jabber condition also causes CLLED to be driven alternately to the high
and low output levels). TPJABB is driven to the low output state when no jabber condition is
present. When the AUI mode is selected this output is driven to the high impedance state. In
the standby mode, this output is also driven to the high impedance state.
Frequency Divider Supply Pin
Frequency Multiplier Supply and Ground Pins
Voltage Controlled Oscillator Ground and Supply Pins
Substrate Ground Pin
Digital Supply and Ground Pins
Analog Supply and Ground Pins
Power Supply and Ground Pins
Controller Interface Ground Pin
MC68160B
Name/Function
MOTOROLA ANALOG IC DEVICE DATA