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(39) (41) (43) (40) (42)

(44) (46) (48) (50) (45)(47) (49) (51)

(52)(54)(56) (53)(55) (57)

(58) (59)

(60)

4/4
+3.3V R198 4.7K +3.3V

NC

C202

(r)

4 3 RA122 2 100 1 4 RA124 3 100 2 1

C256 Z0.1u C257 Z0.1u

J33p

+3.3V C193

C206 Z0.1u

C208 Z0.1u

)

R204

) NC

C258 Z0.1u

+4VD C250 Z0.1u

+5VD

(

+24V Z0.1u

(

C194 K4700p

(s)

L133 L136 L137

Z0.1u

5 6 7 8 5 6 7 8

0

R186

10K

0

L153

C252

C253

L150

L154

CN115
1 2 3 24V BREAK/CDL_RXD +5VA SP_MUTE AG VOL0/MURA1 DG VOL1/F_MUTE DG

IRQn 100 RESETn 99 D7 98 D6 97 D5 96 D4 95 D3 94 D2 93 D1 92 D0 91 VDD90 90 VSS89 89 VSSo88 88 VDDo87 87 A0 86 A1 85 A2 84 A3 83 A4 82 SPRn 81

C199 Z0.1u

+3.3V R261
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

BREAK
C316 R221 100 R210
J100p

C200 Z0.1u

TP_XCLK

R188

100 100

32.256MHz

(w)

L132 R190 R191 K1000p 100 100

R205 0 R207 47K

C233

(v)

L131

X105

IC111

C225 J10p C226 J12p

( )

(u)

R189

(x) (z) (y) (A) (B) (C) (D) (E)

31 32 33 34 35 RESERVED35 36 RESERVED36 37 RESERVED37 38 RESERVED38 39 RESERVED39 40 RESERVED40 41 RESERVED41 42 RESERVED42 43 RESERVED43 44 RESERVED44 45 RESERVED45 46 IA_AVSS46 47 IA1_RXP 48 RESERVED48 49 IA1_HSMICP 50 IA1_HSMICM

NC ( )

C228 K0.1u

D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0]

C234 16V10u

( ) NC

C229 K0.1u

Z0.1u

C235

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

NC

C230

WRn VSS1 RDn VDD2 CSn VSSo3 VDDo77 VDDo4 EYEXY/XCLK AVDD RESERVED6 32.256MHz ENABLE_VREG18D VBG RESERVED7 AVSS PIA_RESETn VSSo72 PIA_STROBE/EYESYN VSS71 PIA_TXSIN PIA_RXOUT VDD70 XTLO PIA_CNTRL_SIN XTLI/CLKIN PIA_CLKIN TEST PIA_SCLK/EYECLK GPI2 IA1_SCLK IA1_CLKIN GPI1 GPI0 IA1_CNTRL_SI GP02 IA1_TESTCN GPO1 IA1_RXOUT RINGDn IA1_TXSIN IA1_STROBE IA_VDD IA1_AVDD IA1_RESETn IA_AVSS59 IA1_SPKRM RESERVED23 IA1_VC IA1_SPKRP IA_AVSS IA1_BG IA1_TXP RESERVED25 IA1_HSMIC_BIAS RESERVED55 RESERVED26 RESERVED27 RESERVED28 RESERVED29 RESERVED30

4.7K

(t)

MDMCS

SP_MUTE
C309
J100p

L152

4 5 6

C218 Z0.1u C219 Z0.1u
R206

C227 Z0.1u C231 Z0.1u

0

VOL0/MURA1
C307
J100p

BEAD

7

NC

220

VOL1/F_MUTE
C306
J100p

8 9

10 -5V

-5V

11 +4V 12 VOL2/CRESET

VOL2/CRESET
L135 L141 C308 J100p

C197

R183

2.7K

R211

C221

( )

C220 Z0.1u

FAX RX
MODEM_RX_IN P_SHORT
0 C323
J100p

13 +4V 14 MODEM_RX_IN 15 P_SHORT/T-ON_OFF

NC

TONE DCN

C245

Z0.1u

R248
16 TONE

0 C317 J100p

( )
C217

FAX TX

17 DCN 18 MODEM_TX_OUT 19 LIN_RLY/T-PAT1 20 NC 21 CID_RLY/T-PAT0 22 VOX/NISHI1 23 BELL

LIN_RLY CID_RLY VOX/NISHI1 BELL MIDATA POL_N MICLK
C319 J100p C305 J100p C320 J100p L149 BEAD R243 180 R242 180 R241 180 C246 CDLTXD CDLRXD CDLRTS CDLCTS J180p RA127 1 8 2 7 3 6 4 5 C248 J180p C318 J100p

RESERVED31 RESERVED32 RESERVED33 RESERVED34

K0.1u

C212

C223

C222 0

R208

L146 R216

K0.1u

C192

+5VD K0.1u K0.1u C209 C326 R184

(

NC

0

BEAD

)

24 MIDATA/CDL_RTS 25 EXTHOOK/PLO_N 26 MICLK/CDL_CTS

10

R182

R200

R264

10K

IC109
C195 16V10u C198 Z0.1u
1 2 INPUT NC VDD NC 16 15 14 13 12 11 10 9

HS_ALC/POL_P
R203 C214 Z1u L134 BEAD

C321 J100p L148 BEAD C322 J100p L147 BEAD

0

0

C247

J180p

27 HS_ALC/POL-P 28 MILATCH/CDL_TXD

MODEM_RX_IN

MILATCH

( ) NC 3.3K

D109

X103

3 4 5 6 7 8

OSCOUT ESt NC NC OSCIN NC GND NC NC ACK NC SD

(

R201

10K

)

TO ANALOG

NC

NC MODEM_RX_IN

(F) (H)

(G) (J)

KX-FL403FX DIGITAL BOARD (4/4)