IS_IRQ V._0._0._0 O NOT IS_IRQ R K_0._0.0_0 J J.0_0 0 RV_RESET V RV_RESET V TP J IS TEST._0 TP V X [0..] [0..] GN GN -I/O H K RESRV V 0 IRQ V -V REQ -V U 0WS 0 0 V 0 -IO_HRY._0 GN -I/O H RY 0 -SMEMW EN EN V -SMEMR -IOW -IOW -US_EN IR -US_EN G -K REQ -K HTWM [0..] REQ 0 J -REFSH IRQ SYSLK 0 0 IRQ 0 IRQ IRQ Q IRQ IRQ IRQ IRQ IRQ -K ON T/ LE 0 V LK_.MHZ TP.MHZ 0 0 GN GN 0 0_V_ELE 0_V_ELE R N0 0K_0 Solder Side ON_T omponent Side GN 0 V 0 R URT_0 URT_ URT_ URT_ URT_ URT_ URT_ URT_ 0K-SIP URT_[0..] Notes:) Rev. update sch. U-,,,& (Name) RX to RX and U-& (Name) RX to RX ) Rev. orrect sch. U- (Name) -URT_IOR to -URT_R V J ON J-& TRE TP EXTR_V O NOT TP GN V N R 0K_0 J ON._0._0 0_V_ELE R 0K_0 HR_RESET Exar orporation IS INTERFE & POWER SELETION Size ocument Number Rev ustom XR EVL OR. ate: Monday, ugust, 00 Sheet of
V._0._0._0._0._0 VINT VIO VIO VIO VIO VSS VSS VSS VSS VSS VSS VSS VSS 00 VINT VINT U [0..] V._0 TK TMS J ON J JTG V TI TO 0x00 0xE0 0x00 0xE0 0 0 EN -IOW -URT_INTR V R.K_0 J ON R.K_0 R.K_0 LK_.MHZ RV_RESET HR_RESET R.K_0 TP 0 0 0 0 0 0 0 TMS TK TI TO EN IOW# IOR# URT_INTR# UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_0 UNUSE_ UNUSE_ UNUSE_ SE RESS_0 SE RESS_ SE RESS_ SE RESS_ MLK RV_RESET RST/RST# #/ X-00 URT_ URT_ URT_ URT_ URT_ 0 UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_ UNUSE_0 UNUSE_ 0 US_EN# URT_WR#/R/W URT_IOR# URT_S# -URT_IK IS_IRQ_URT URT_RESET SEL_#/ -IO_HRY URT_IP URT_IP URT_IP URT_IP URT_IP URT_IP URT_IP0 URT_IP URT_IP URT_IP 0 URT_IP URT_IP -US_EN URT_ URT_ URT_ URT_ URT_ J J J0 J J J J J J J J J0 O NOT -US_EN -URT_WR/R/W -URT_R -URT_S -URT_IK IS_IRQ URT_RESET SEL_-/ -IO_HRY URT_[..] R.K-SIP R.K_0 R.K_0 R O NOT.K_0 R0.K_0 URT_IP URT_IP URT_IP URT_IP URT_IP URT_IP URT_IP0 URT_IP URT_IP URT_IP URT_IP URT_IP R.K_0 0 N N N N N N N N N Exar orporation RESSING N LOGI INTERFE Size ocument Number Rev ustom XR EVL OR. ate: Monday, ugust, 00 Sheet of
0._0 URT_[0..] URT_0 URT_ URT_ URT_ URT_ URT_ URT_ URT_ 0 U 0 V._0 GN XR-_PL TX0 IP0/TS0# OP0/RTS0# TX IP/TS# OP/RTS# RX 0 TX0 -TS0 TX -TS -RTS RX URT_[..] URT_ URT_ URT_ URT_ URT_ TX IP/TS# OP/RTS# RX 0 TX -TS -RTS RX URT_RESET SEL_-/ -URT_S -URT_WR/R/W -URT_R R.K_0 RST/RST# SEL_#/ S# WRN#/R/W# R# IEI TX IP/TS# OP/RTS# RX OP OP TP OP O NOT TX -TS -RTS RX -URT_INTR -URT_IK TP TP OP TP0 X X/LK INTR# IEO/TK 0 IK# J ON R 00_0.M R 00_0 O NOT PF_0 Y PF_0 Exar orporation XR- PIN PL URT Size ocument Number Rev ustom XR EVL OR. ate: Monday, ugust, 00 Sheet of
._0 URT_[0..] URT_0 URT_ URT_ URT_ URT_ URT_ URT_ URT_ U 0 0 V._0 GN GN XR-_PL TX0 IP0/TS0# OP0/RTS0# TX IP/TS# OP/RTS# RX R.K_0 R0.K_0 R.K_0 R.K_0 TX0 -TS0 TX -TS -RTS RX URT_[..] URT_ URT_ URT_ URT_ URT_ 0 TX IP/TS# OP/RTS# RX TX -TS -RTS RX TX IP/TS# OP/RTS# RX TX -TS -RTS RX URT_RESET SEL_-/ -URT_S -URT_WR/R/W -URT_R -URT_IK URT_IP URT_IP URT_IP URT_IP URT_IP URT_IP URT_IP0 URT_IP URT_IP URT_IP URT_IP URT_IP -URT_IK R K_0 XTL TP TP TP TP TP TP TP TP TP0 -URT_INTR O NOT TP TP R.K_0 R.K_0 R.K_0 R.K_0 XTL/LK 0 0 0 RST SEL_#/ S# WRN#/R/W# R# IEI IK# IP IP IP IP IP IP IP0 IP IP IP IP IP OP OP OP OP OP OP OP0 OP OP OP OP OP 0 INTR# IEO/TK TP R.K_0 J R 00_0 TP TP.M R0 00_0 O NOT ON PF_0 Y PF_0 Exar orporation XR URT Size ocument Number Rev ustom XR EVL OR. ate: Monday, ugust, 00 Sheet of
V O NOT 0_V_TNT 0_V_TNT 0 O NOT V TX0 -TS0._0._0 0 - - TIN TIN V ROUT ROUT REY FOREON._0 U SP GN V TOUT TOUT RIN RIN INVLI FOREOFF 0._0 XTX0 XRTS0 X XTS0._0 R V K_0 HNNEL P XTR0 PORT ONNETOR_ TX -RTS RX -TS._0._0 U 0 - - TIN TIN V ROUT ROUT REY FOREON._0 SP GN V TOUT TOUT RIN RIN INVLI FOREOFF 0._0._0 XTX XRTS XRX XTS HNNEL PORT J 0 ON0 R XTR V K_0 TX -RTS RX -TS V._0 0._0 U 0 - - TIN TIN V ROUT ROUT REY FOREON 0_V_TNT._0 SP GN O NOT V TOUT TOUT RIN RIN INVLI FOREOFF 0._0 XTX XRTS XRX XTS._0 R V K_0 XTR HNNEL PORT P ONNETOR_ TX -RTS RX -TS V._0._0 U 0 - - TIN TIN V ROUT ROUT REY FOREON 0 0_V_TNT._0 SP GN O NOT V TOUT TOUT RIN RIN INVLI FOREOFF 0._0 XTX XRTS XRX XTS._0 HNNEL J PORT 0 ON0 XTR V RS- INTERFE Size ocument Number Rev XR EVL OR. ate: Monday, ugust, 00 Sheet of R K_0
V O NOT TX0 J ON J ON J ON U E R RE._0 GN V SP V R 0 PORT- J TX0 TX RX ONN_#E-N PORT- RS J0 ON J ON J ON._0 TX -RTS RX U0 GN E R RE V R 0 SP RS-/ INTERFE Size ocument Number Rev ustom XR EVL OR. ate: Monday, ugust, 00 Sheet of