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Figure 5-2. ds21458 pin diagram, 17mm csbga – Rainbow Electronics DS21458 User Manual

Page 40

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DS21455/DS21458 Quad T1/E1/J1 Transceivers

40 of 270

Figure 5-2. DS21458 Pin Diagram, 17mm CSBGA

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

A

TNEG0 RCLKO3 TSSYNC3 RVSS RVSS RRING3 RTIP3 RVSS

RVDD

RD (DS) TVDD TVSS TRING2 TTIP2 TCLKO2 TPOSO2

B

TPOSO3 TCLKO3 TSYNC3 TCHCLK3 RSYNC3 RLCLK3 RSIG3 RSYSCLK3

A5 BTS

TVDD

TVSS

TRING2

TTIP2

TNEGO2

TSYNC2

C

TTIP3 TTIP3 RLINK3

TLCLK3

TCHBLK3

RFSYNC3

RCHBLK3

RSER3

WR (R/W)

JTDI DVDD DVDD DVDD RCLKO2

RLINK2

TLCLK2

D

TRING3 TRING3 DVDD DVSS UNUSED

RLOS/

LOTC3

RCHCLK3 TSYSCLK3

TPD

D1/AD1

DVSS

DVSS DVSS

TSSYNC2

TCHCLK2

RVSS

E

TVSS TVSS DVDD DVSS

UNUSED RMSYNC3 RSIGF3 BPCLK3 UNUSED

A1 TSIG2

UNUSED TCHBLK2 RSYNC2

RLOS/

LOTC2

RVSS

F

TVDD TVDD DVDD DVSS TSIG3 TCLK3

UNUSED RNEGO3 RPOSO3 RCLK2 TLINK3 UNUSED UNUSED RSIGF2 RLCLK2 RRING2

G

D6/AD6

A7/ALE

(AS)

D7/AD7 A3 RCLK3

TSER3

TLINK3

UNUSED TSER2 RCHBLK2

RCHCLK2 TCLK2 RMSYNC2

RFSYNC2 RSIG2 RTIP2

H

RVDD A0 A2 MCLK1

INT

A8 TSYSCLK1

ESIBRD

UNUSED UNUSED RNEGO2 RPOSO2 BPCLK2 RSER2 RSYSCLK2

RVSS

J

RVSS RNEGO1

RSYSCLK1 RSER1 BPCLK1 RPOSO1

TCHCLK1 ESIBS0 ESIBS1

TSYSCLK2 A9

MCLK2 TEST2 TEST1 JTMS RVDD

K

RTIP RSIG1

RCHBLK1

RFSYNC1

RLOS/

LOTC1

RSYNC1 TLINK1 RCLK1 UNUSED TSER4 TSIG4 RCLK4 JTDO JTRST JSTRST JTCLK

L

RRING1 RCHCLK1 RSIGF1 UNUSED TCLK1 UNUSED TSIG1 TSYSCLK4 TCLK4 UNUSED UNUSED TLINK4 DVSS DVDD TVDD TVDD

M

RVSS RLCLK1

RMSYNC1

TSSYNC1

UNUSED TSER1 D4/AD4

CS

RCHCLK4 RMSYNC4 TSSYNC4 UNUSED DVSS DVDD TVSS TVSS

N

RVSS

TCHBLK1

TSYNC1 DVSS DVSS DVSS A4 D2/AD2

BPCLK4

RPOSO4

RSIGF4

RSYNC4 DVSS DVDD TRING4

TRING4

P

TLCLK1 RLINK1 UNUSED

DVDD DVDD DVDD D3/AD3 D0/AD0 RSER4

RNEGO4

RFSYNC4

RLOS/

LOTC4

TCHCLK4 RCLKO4 TTIP4

TTIP4

R

RCLKO1 TPOSO1 TTIP1 TRING1 TVSS

TVDD D5/AD5 MUX RSYSCLK4 RSIG4 RCHBLK4 RLCLK4 TCHBLK4 TSYNC4 TPOSO4 TCLKO4

T

TNEGO1

TCLKO1 TTIP1 TRING1 TVSS TVDD A6 RVDD RVSS RTIP4 RRING4 RVSS RVSS TLCLK4 RLINK4 TNEGO4

NOTE: Pins labeled as “UNUSED” must be connected to VSS.