CM L M icrocircuits COMMUNICATION SEMICONDUCTORS High Resolution Circuit Diagrams for DE8781 and DE8782 Complementary to CML User Manual: UM8780 August 2003 © 2003 CML Microcircuits Power Extraction LPLUS D1 CBRHD-04 3 VLCL J1 RJ11SKT AC VIN 2 1 B 100k 1 F1 1A25 2 3 E1 P3100SC R10 100k 5 6 R9 M1 VN4012L C20 100nF (250v) R26 R27 470k 470k VSTBY+ BAS16 C22 C33 R6 470k M1A VN4012L ADCIN JP2 D7 BZX84 5V6 D5 R5A 220k VLCL Q2 BTA42 100k C9 100nF Q3 BTA92 B R8 100k R33 470k Q1A BTA92 B R5 220k 4 C19 100nF (250v) R4A 100k Q1 BTA92 R4 JP1 AC GPOP1 R7 15k R11 2k7 n/f C18 3u3F D20 6V2 n/f D6 AVDD BAS16 AC AC R30 D2 CBRHD-04 Ring Detection 1M C21 150nF C8 R28 470k 100nF R29 68k R64 J4:B R65 330R J4:C 330R R66 C13 R22 MOD 220nF RXIN C17 100pF R24 100k R16 10k 3k R23 C15 91k 100nF R25 C16 160k R21 3k C14 10nF C23 220nF(16V) D8 BZX84 4V7 47nF(300V) 11M0592Hz X1 R13 10k Gyrator 1 GYON M2 VN4012L ICTRL 22pF C1 Q4 FZT757 Q5 BTA42 GPOP1 GPOP2 GPOP3 AVDD C3 R2 DVDD 30R 330R J4:D Signal Interface RXFB D31 BZX84 n/f 22pF C2 J4:A C4 22uF C5 100nF 100nF C6 22uF DVDD C7 100nF ADCIN R14 27R(0W5) J4:E R17 n/f R19 470R Q6 n/f TP3 J2 1 VLCL AVSS TP4 AVSS 2 SNPSKT2 Place decoupling capacitors C4, C5, C6, C7 and C8 as close to CMX878 pins as possible. DVDD R1 100k R15A n/f R15 0R C10 n/f R18 n/f C11 n/f R20 10k C12 3u3F GNDANALOG LMINUS Off-hook AC impedance CTR21 I limit DE8781, sheet 1 Brown-out Detection optional TP2 DVSS MCLR DVDD U6 MAX6377 2V2 R34 VPP 270R R92 OUTN 2 TP1 DVSS 430R VSTBY WAKE DVDD 10nF R82 1M 1M 1M R51 DVDD 100k R79 R81 R83 1M 1M 1M R52 R84 R86 R87 1M 1M 1M WAKE 5M6 R85 R93 R88 1M 1M 1M J3:3 J3:4 J3:5 J3:6 J3:8 J3:16 R67 R68 R69 R70 220R 220R 220R 220R R71 R72 220R 220R BER_RXDCLK BER_RXD BER_TXDCLK BER_TXD BOOT_PWR C25 27pF RB5 26 RB4 25 5 RA3/AN3/Vref 6 RA4/T0CKI RB3 24 7 RA5//SS/AN4 8 VSS RB1 22 RB0/INT 21 VDD 20 VSS 19 11 RC0/T1OSO/T1CKI RC7/RX/DT 18 12 RC1/T1OSC/CCP2 RC6/TX/CK 17 13 RC2/CCP1 14 27pF RC5/SDO RC3/SCK/SCL RC4/SDI/SDA 7 2 DTRN J3:12 R73 220R R96 220R R59 1k8 6 4 5 1M R77 1M R74 1M R75 1M R76 R97 IRQN R94 R95 47nF HOST-HI n/f 220R 220R DVDD DVDD C24 R54 1k8 RXD 16 1 8 2 7 2k7 DVDD RDATA 1M R89 1M R90 1M R91 MCLR CTSN TXD VPP 1 J6:A 2 J6:B R55 2k7 3 J6:C 4 J6:D 5 J6:E J3:9 J3:11 R57 U3:B PC827 TXD 6 3 5 4 JP4 2 6k8 1 3 D24 CSN HOST-HI U5:B PC827 SCLK DVDD R61 1k8 3 6 4 5 D30 1 2 3 4 5 6 7 8 9 R63 10k J5 DB9F_CML DVDD DVDD TP6 J3:2 In circuit serial programming for PIC D23 R56 CDATA 15 10k U4:A PC827 J3:10 J3:7 RIN J3:1 D27 R62 DVDD DVDD TP5 D26 HOST-HI 3 PIC16LF876SO J3:14 6k8 U4:B PC827 CTSN RB2 23 9 OSC1/CLKIN 10 OSC2/CLKOUT X2 4MHz C26 3 RA1/AN1 4 RA2/AN2 1 D32 U2 RB7 28 RB6 27 8 M11 BSS138LT1 DVDD 1 /MCLR/Vpp 2 RA0/AN0 R60 U3:A PC827 SW2 1nF C28 DVDD R80 All diodes on this side are BAS16. RESET C27 R78 Isolation barrier. SW1 C31 1uF C32 1uF Place:C31 adjacent to U4 pin1. C32 adjacent to R55. HGND J3:13 J3:15 DE8781, sheet 2 Power Extraction LPLUS D1 CBRHD-04 3 VLCL J1 RJ11SKT AC VIN 2 1 B 100k 1 F1 1A25 2 3 E1 P3100SC 6 M1 VN4012L C20 100nF (250v) R27 470k VSTBY+ BAS16 C22 C33 R6 470k M1A VN4012L ADCIN D7 BZX84 5V6 D5 R5A 220k VLCL Q2 BTA42 100k C9 100nF Q3 BTA92 B R9 Q1A BTA92 B R8 100k R33 470k 4 R26 470k R10 100k R5 220k 5 C19 100nF (250v) R4A 100k Q1 BTA92 R4 JP1 AC JP2 GPOP1 R7 15k R11 2k7 n/f C18 3u3F D20 6V2 n/f D6 AVDD BAS16 AC AC R30 D2 CBRHD-04 Ring Detection 1M C21 150nF C8 R28 470k 100nF R29 68k J4:A R64 J4:B R65 J4:C GPOP2 R66 C13 R22 MOD 220nF RXIN C17 100pF R24 100k R16 10k 2k7 R23 C15 100k 100nF R25 C16 160k RXFB R21 3k3 C14 10nF C23 220nF(16V) D8 BZX84 4V7 47nF(300V) R13 10k Gyrator 1 GYON 11M0592Hz X1 22pF 22pF C2 C1 GPOP3 AVDD M2 VN4012L ICTRL Q4 FZT757 Q5 BTA42 C3 R2 DVDD 30R 330R J4:D Signal Interface GPOP1 330R 330R D31 BZX84 n/f C4 22uF C5 100nF 100nF C6 22uF DVDD C7 100nF ADCIN R17 5k6 R14 12R (0W6) J4:E R19 470R Q6 BC846 TP3 J2 1 VLCL AVSS TP4 AVSS 2 SNPSKT2 Place decoupling capacitors C4, C5, C6, C7 and C8 as close to CMX878 pins as possible. DVDD R1 100k R15A 36R(0W6) R15 n/f C10 3u3F R18 2k C11 33uF R20 10k C12 3u3F GNDANALOG LMINUS Off-hook AC impedance CTR21 I limit DE8782, sheet 1 Brown-out Detection optional TP2 DVSS MCLR DVDD U6 MAX6377 2V2 R34 VPP 270R R92 OUTN 2 TP1 DVSS 430R VSTBY WAKE DVDD 10nF R80 R82 1M 1M R79 1M R81 1M R51 DVDD 100k R52 R84 R86 R87 1M 1M 1M R85 1M R83 1M R93 1M WAKE 5M6 J3:3 J3:4 J3:5 J3:6 J3:8 J3:16 R67 R68 R69 R70 220R 220R 220R 220R R71 R72 220R 220R BER_RXDCLK BER_RXD BER_TXDCLK BER_TXD BOOT_PWR C25 27pF RB5 26 RB4 25 5 RA3/AN3/Vref 6 RA4/T0CKI RB3 24 RB2 23 7 RA5//SS/AN4 8 VSS RB1 22 RB0/INT 21 VDD 20 VSS 19 9 OSC1/CLKIN 10 OSC2/CLKOUT X2 4MHz C26 3 RA1/AN1 4 RA2/AN2 11 RC1/T1OSC/CCP2 13 RC2/CCP1 14 27pF RC0/T1OSO/T1CKI 12 RC7/RX/DT 18 RC6/TX/CK 17 RC5/SDO RC3/SCK/SCL RC4/SDI/SDA 1 7 2 DTRN 1M J3:12 R73 220R R96 220R CTSN R59 1k8 1M R77 1M R74 1M R75 1M R76 R97 6 4 5 MCLR CTSN TXD VPP 1 J6:A 2 J6:B IRQN R94 R95 47nF 220R 220R C24 DVDD R54 1k8 RXD 16 1 8 2 7 2k7 DVDD RDATA 1M R89 1M R90 1M R91 3 J6:C 4 J6:D 5 J6:E J3:9 J3:11 D23 R56 CDATA 15 10k U4:A PC827 J3:10 J3:7 DVDD R55 2k7 R57 U3:B PC827 TXD 6 3 5 4 JP4 1 2 3 6k8 D24 CSN HOST-HI U5:B PC827 SCLK DVDD R61 1k8 3 6 4 5 D30 1 2 3 4 5 6 7 8 9 R63 10k J5 DB9F_CML DVDD DVDD TP6 J3:2 In circuit serial programming for PIC D27 HOST-HI 0R RIN J3:1 HOST-HI 3 R62 DVDD DVDD TP5 D26 U4:B PC827 PIC16LF876SO J3:14 6k8 D32 U2 RB7 28 RB6 27 8 M11 BSS138LT1 R88 DVDD 1 /MCLR/Vpp 2 RA0/AN0 R60 U3:A PC827 SW2 1nF C28 DVDD 1M All diodes on this side are BAS16. RESET C27 R78 Isolation barrier. SW1 C31 1uF C32 1uF Place:C31 adjacent to U4 pin1. C32 adjacent to R55. HGND J3:13 J3:15 DE8782, sheet 2