DP83256VF National Semiconductor, DP83256VF Datasheet - Page 90

• Manufacturer Part Number: DP83256VF
• Description: IC FDDI LAYER CTRLR 160PQFP
• Manufacturer: National Semiconductor
• Series: PLAYER+™r

Specifications of DP83256VF

• Controller Type: physical layer controller
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 160-BFQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Interface: -
• Other names: *DP83256VF

Symbol
AIP
AIC
AID7
AID6
AID5
AID4
AID3
AID2
AID1
AID0
BRP
BRC
BRD7
BRD6
BRD5
BRD4
BRD3
BRD2
BRD1
BRD0
6 0 Signal Descriptions
PHY PORT INTERFACE
The PHY Port Interface consists of I O signals used to connect the PLAYER
sublayer or other PLAYER
Port Interface and the B Request path from the second PHY Port Interface Each path consists of an odd parity bit a control
bit and two 4-bit symbols
Refer to section 3 3 the Configuration Switch for more information
Pin
10
13
14
15
16
17
70
69
68
67
66
63
62
61
60
59
6
7
8
9
I O
O
O
O
O
I
I
I
I
PHY Port A Indicate Parity A TTL output signal representing odd parity for the 10-bit wide Port A
Indicate signals (AIP AIC and AID
PHY Port A Indicate Control TTL output signal indicating that the two 4-bit symbols (AID
AID
PHY Port A Indicate Data TTL output signals representing the first 4-bit data control symbol
AID7 is the most significant bit and AID4 is the least significant bit of the first symbol
PHY Port A Indicate Data TTL output signals representing the second 4-bit data control symbol
AID3 is the most significant bit and AID0 is the least significant bit of the second symbol
PHY Port B Request Parity A TTL input signal representing odd parity for the 10-bit wide Port A
Request signals (BRP BRC and BRD
PHY Port B Request Control A TTL input signal indicating that the two 4-bit symbols
(BRD
PHY Port B Request Data TTL input signals representing the first 4-bit data control symbol
BRD7 is the most significant bit and BRD4 is the least significant bit of the first symbol
PHY Port B Request Data TTL input signals representing the second 4-bit data control symbol
BRD3 is the most significant bit and BRD0 is the least significant bit of the second symbol
a
k
device The DP83256 Device has two PHY Port Interfaces The A Indicate path from one PHY
k
3 0
7 4
l
l
) are either control symbols (AIC
and BRD
(Continued)
k
3 0
l
) are either control symbols (BRC
k
7 0
k
90
l
7 0
)
e
l
)
1) or data symbols (AIC
Description
a
device to the Media Access Control (MAC)
e
1) or data symbols (BRC
e
0)
e
k
0)
7 4
l
and