dp83630sqx National Semiconductor Corporation, dp83630sqx Datasheet - Page 17

• Manufacturer Part Number: dp83630sqx
• Description: Precision Phyter - Ieee 1588 Precision Time Protocol Transceiver
• Manufacturer: National Semiconductor Corporation

ANAVSS
ANA33VDD
CD_VSS
IO_CORE_VSS
IO_VDD
IO_VSS
VREF
DAP
8.10 POWER SUPPLY PINS
8.11 PACKAGE PIN ASSIGNMENTS
Note 1: Die Attach Pad (DAP) provides thermal dissipation. Connection to GND plane recommended.
Signal Name
SQA48A Pin #
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
ANAVSS
ANA33VDD
CD_VSS
IO_CORE_VSS
IO_VDD
IO_VSS
VREF
DAP
TX_CLK
TX_EN
TXD_0
TXD_1
TXD_2
TXD_3
PWRDOWN/INTN
TCK
TDO
TMS
TRST#
TDI
RD-
RD+
CD_VSS
TD-
TD+
ANAVSS
ANA33VDD
VREF
GPIO1
GPIO2
GPIO3
CLK_OUT
GPIO4
Pin Name
Pin Name
Ground
Ground
Ground
Ground
Supply
Supply
Type
Pin #
18
19
15
35
32
48
47
20
Analog Ground
Analog VDD Supply
Analog Ground
Digital Ground
I/O VDD Supply
Digital Ground
Bias Resistor Connection. A 4.87 kΩ 1% resistor should be connected
from VREF to GND.
No Connect or Connect to GND
See
17
(Note
1)
SQA48A Pin #
DAP
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Description
LED_ACT
LED_SPEED/FX_SD
LED_LINK
RESET_N
MDIO
MDC
IO_VDD
X2
X1
IO_CORE_VSS
GPIO8
GPIO9
RX_CLK
RX_DV
CRS/CRS_DV
RX_ER
COL
RXD_3
RXD_2
RXD_1
RXD_0
IO_VSS
IO_VDD
NC or GND
See
(Note
1)
Pin Name
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