TMC2005-JT SMSC Corporation, TMC2005-JT Datasheet - Page 6

• Manufacturer Part Number: TMC2005-JT
• Description: ARCNET 5 Port HUB Controller
• Manufacturer: SMSC Corporation

ARCNET 5 Port HUB Controller
Datasheet
Revision 1.0 (01-30-06)
PIN NO.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
1
2
3
4
5
6
7
8
9
TXENB1
HM
SE
NC
LE
EXTRX
ME
VSS1
EXTTX
VDD1
CKO
VSS2
CKM2
CKM1
CKM0
NC
RXFLT
nPLLTST
VDD2
XTLI
XTLO
VSS4
NC
VDD4
VDD3
AVDD
RO
LP
AGS
AVSS
VSS3
VSS5
NC
nEXTOD
nMBE
nMBB
nMBA
nBJE
nBJB
nBJA
VSS6
nRST
nCKOEN
NAME
INPUT/OUTPUT
DESCRIPTION OF PIN FUNCTIONS
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
DATASHEET
Analog sense pin for internal PLL.
Port B-1 Tx output to media transceiver
Setting for traffic release time (It should
be open for normal operation.)
Port EXT. Polar assignment for EXTRX
input (0:active Hi, 1:active Low)
Reserved. It should be open.
Port EXT. Polar assignment of EXTTX
output (0:active Low, 1:active Hi)
Port EXT. RX-Data input from media
transceiver.
Port EXT. Output mode assignment of
EXTTX (0:pulse output, 1:Tx control
output)
Ground
Port EXT. Output to media transceiver.
Power Supply
Clock Output
Ground
Network speed (data rate) setting.
Reserved. It should be open.
Test Pin. It should be open.
Test Pin for PLL.. It should connected to
VDD (Set to high)
Power Supply
X'tal input/External clock input.
X'tal output
Ground
Reserved. It should be open.
Power Supply
Power Supply
Analog Power Supply
VCO output for internal PLL.
Connection pin to loop filter for internal
PLL.
Analog Ground
Ground
Ground
Reserved. It should be open.
Port EXT. Open-drain mode (0:open-
drain output, 1:normal output)
Port EXT. Noise cut (0:on, 1:off)
Port A0/A1 Noise cut (0:on, 1:off)
Port B0/B1 Noise cut (0:on, 1:off)
Port EXT. Jitters correct mode (0:big
jitters mode, 1:normal mode)
Port A0/A1 Jitters correct mode (0:big
jitter mode, 1:normal mode)
Port B0/B1 Jitter correct mode (0:big
jitter mode, 1:normal mode)
Ground
Internal reset signal (active Low)
Enable of CKO output.
Page 6
DESCRIPTION
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
SMSC TMC2005-JT
NOTE