SMSC TMC2005-JT PIN CONFIGURATION

ARCNET 5 Port HUB Controller

Datasheet

	MB	RXINB1 LB TXENB0 SB RXINB0 VSS8 NC VDD6 TXENA1 MA RXINA1 LA TXENA0	SA RXINA0
	64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
TXENB1	1		48	VSS7
HM	2		47	nPULSE1
SE	3		46	nPULSE2
NC	4		45	nP1BAK
LE	5		44	VDD5
EXTRX	6		43	nCKOEN
ME	7	TMC2005-JT	42	nRST
EXTTX	9	TMC2005-JT	40	nBJA
VSS1	8		41	VSS6
VDD1	10		39	nBJB
CKO	11		38	nBJE
VSS2	12		37	nMBA
CKM2	13		36	nMBB
CKM1	14		35	nMBE
CKM0	15		34	nEXTOD
NC	16		33	NC
	17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
	RXFLT	nPLLTST VDD2 XTLI XTLO VSS4 NC VDD4 VDD3 AVDD R0 LP AGS AVSS VSS3 VSS5

Revision 1.1 (07-24-07)

Page 4

SMSC TMC2005-JT

DATASHEET

Contents

FEATURES GENERAL DESCRIPTION ORDERING INFORMATION Page TABLE OF CONTENTS PIN CONFIGURATION BLOCK DIAGRAM DESCRIPTION OF PIN FUNCTIONS TX/RX Interface FEATURE Operating Mode Setup INPUT PLL Must always connect to VDD Other Signals FEATURES OPERATIONAL DESCRIPTION Direction Determination Direction Release Jitter Filter 1)Input Sampling Option Feature for Jitter Filtering 1)Big jitter (BJ) mode Note: [Complement] 2)Changing polar of RX port APPLICATION NOTES FIGURE 2 - APPLICATION EXAMPLE FIGURE 3 - APPLICATION EXAMPLE FIGURE 4 - APPLICATION EXAMPLE FIGURE 5 - APPLICATION EXAMPLE FIGURE 6 - APPLICATION EXAMPLE FIGURE 7 - APPLICATION EXAMPLE FIGURE 8 - APPLICATION EXAMPLE PORT GROUP CONNECTING THE TMC2005 WITH INTERNAL PLL Method To Connect A Crystal Clock FIGURE 11 - CONNECTING THE CRYSTAL CLOCK Note 1: Note 2: nPLLTST pin CASCADING CONNECTION FIGURE 13 - CASCADE CONNECTION OF 8 PORT HUB FIGURE 14 - CASCADE CONNECTION OF 8 PORT HUB FIGURE 15 - CASCADE CONNECTION OF 16 PORT HUB Ring Network With the TMC2005 FIGURE 16 - RING CONFIGURATION Example for system hang-up Example for no hang-up Note 3: MAXIMUM GUARANTEED RATINGS Vss ITEM SYMBOL RATING DC CHARACTERISTIC - OUTPUT PIN PIN AC CHARACTERISTIC - CLOCK and RESET TYP FIGURE 17 - CLOCK AND RESET AC CHARACTERISTIC – Rx waveforms and Tx waveforms FIGURE 18 - RX WAVEFORMS AND TX WAVEFORMS ITEMS MARK REMARK Page TMC2005-JT64 PIN TQFP PACKAGE OUTLINE