Brother HL-4050CDN - Page 308

Confidential
6-4
Main PCB Circuit Diagram (4/6)
D
B
A
C
E
F
E
D
B
A
C
F
1 5
1 5678432
678432
LAN I/F, CDCC I/F, USB I/F
DN
Top View
FG
FG
5V
DP
Gnd
8:not use
5:not use
FG
FG
1
green
7:not use
6
10
3:RX+
yellow
2:TX-
1:TX+
Top View
4:not use
7
orange
6:RX-
100pin TQFP
Zdiff=90
TPI+ TPI-:Zdiff=100
TPO+ TPO-:Zdiff=100
Link&Activ
Speed
(Output)
(Iutput)
(PLL bias)
(VREG:for internal regurator)
( regurator:+1.8V)
( PLL regurator:+1.8V)
MAC/PHY
(Speed)
(Link&Activ)
USB HOST1 Power on
+3.3V:Enable
0V:Output off
Io=500mA
High-side SW
USB HOST1 Power
+3.3V:Normal
0V:Over current
Zdiff=90
USB HOST2 Power
+3.3V:Normal
0V:Over current
High-side SW
USB HOST2 Power on
+3.3V:Enable
0V:Output off
Zdiff=90
Io=500mA
1608
1608
06/7/10
1005
1005
ADR[3]
ADR[7]
ADR[4]
ADR[2]
ADR[5]
ADR[1]
ADR[6]
DATA[8]
DATA[9]
DATA[10]
DATA[11]
DATA[12]
DATA[13]
DATA[14]
DATA[15]
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
TPI+
TPI-
TPO+
TPO-
25MHz
25MHz
25MHz
50MHz
CDCC_STB_N
CDCC_FLT_N
CDCC_SELIN
CDCC_INIT_N
CDCC_AF_N
1.0
1.0
CDCC_SELECT
CDCC_PE
CDCC_BUSY
CDCC_ACK_N
1-3E
USB_DATA_P
1-3E
USB_DATA_M
1-4E
USB_VCC
R85
15k
SGND
SGND
@R222
0
(1608)
(For ESD)
SGND
@R74
0
(1608)
(For ESD)
SGND
R84
10k
TP480
R61
100
C192
C103
TP385
TP362
TP408
R70
49.9
1%
(2012)
TP438
TP394
C174
C6P
R69
49.9
1%
(2012)
C106
C106
(2012)
TP437
C76
C103
4B
LAN_LEDB_N
2B
LAN_LEDB_N
TP331
C71
C103
C70
C103
TP364
C79
C103
TP388
TP413
R215
49.9
1%
(2012)
C199
C102
3A
LAN_LEDA_N
2B
LAN_LEDA_N
X2
SMD-49 25.00000MHZ
R55
1M
TP257
C69
C103
R216
100
C68
C103
R207
100
C205
C6P
TP399
R214
49.9
1%
(2012)
L2
BLM11P300S
R50
12k
1%(F)
R72
100
(1608)
CN12
08B0-1X1T-03-F
1
TCT
2
TD+
3
TD-
4
RD+
5
RD-
6
RCT
7
LED1_C
8
LED1_A
9
LED2
10
LED2
11
FG
12
FG
C112
C10P
C81
C103
TP427
C196
C103
(1608)
R73
100
(1608)
TP414
C182
C103
TP345
+3.3V
SGND
SGND
+3.3V
SGND
SGND
1-4C
LAN_RST_N
3-1A/1-3A
IO_RD_N
3-1A/1-3A
IO_WR_N
1-3A
LAN_CS_N
1-1A
LAN_INT
R208
10k
R211
1%(F)
12.4k
3-1D/1-3A
ADR[24-1]
3-1D/1-1A
DATA[15-0]
L3.3V
TP368
TP454
TP386
(FCT)
TP400
(FCT)
TP395
TP382
SGND
L3.3V
TP449
TP450
+3.3V
+3.3V
TP416
@R223
0
(1608)
(For ESD)
FG2
R86
0
(1608)
SGND
TP392
R63
2.2k
SGND
+3.3V
+3.3V
SGND
R71
10
1%(F)
(2012)
C88
C103
C183
C103
SGND
C171
C103
C168
C106
(2012)
SGND
C185
C106
(2012)
SGND
C167
C103
C177
C103
C84
C103
+3.3V
SGND
C110
C682
C109
C682
TP443
R210
10k
SGND
C107
C223
(1005)16VDC a
10%(B)
SGND
SGND
TP452
TP410
R212
10k
SGND
SGND
TP264
TP251
TP263
TP250
TP303
TP302
TP320
R206
10k
TP384
U13
LAN9115-MT
XTAL1
6
XTAL2
5
nCS
94
nRD
92
nWR
93
IRQ
72
nRESET
95
SPEED_SEL
74
FIFO_SEL
76
ATEST
9
RESERVE71
71
RESERVE73
73
RESERVE84
84
A1
18
A2
17
A3
16
A4
15
A5
14
A6
13
A7
12
D0
64
D1
63
D2
62
D3
59
D4
58
D5
57
D6
56
D7
53
D8
52
D9
51
D10
50
D11
49
D12
46
D13
45
D14
44
D15
43
TXD0
39
TXD1
38
TXD2
37
TXD3
36
TX_EN
21
TX_CLK
40
RX_CLK
26
RX_ER
25
COL
33
RXD0
75
RXD1
22
RXD2
23
RXD3
24
CRS
32
RX_DV
29
MDIO/EXT_PHY_DET
30
MDC
31
PME
70
EXRES1
87
RBIAS
10
TPO+
79
TPO-
78
TPI+
83
TPI-
82
GPIO0/nLED1
98
GPIO1/nLED2
99
GPIO2/nLED3
100
EEDIO/GPO3/
67
EECLK/GPO4/
69
nEECS
68
VDD_REF
8
VSS_REF
11
VDD_PLL
7
VSS_PLL
4
VDD_CORE3
3
VDD_CORE65
65
GND_CORE1
1
GND_CORE66
66
VDD_A81
81
VDD_A85
85
VDD_A89
89
REV(VDD_A)
91
VSS_A77
77
VSS_A80
80
VSS_A86
86
VSS_A88
88
REV(VSS_A)
90
VREG
2
VDD_IO20
20
VDD_IO28
28
VDD_IO35
35
VDD_IO42
42
VDD_IO48
48
VDD_IO55
55
VDD_IO61
61
VDD_IO97
97
GND_IO19
19
GND_IO27
27
GND_IO34
34
GND_IO41
41
GND_IO47
47
GND_IO54
54
GND_IO60
60
GND_IO96
96
SGND
1-3E
USB_HOST1_DP
1-3E
USB_HOST1_DN
SGND
1-5F
USB_HOST1_PPON
1-4F
USB_HOST1_FLG
+5.0V_WLLAN
SGND
@C118
C104
R98
10k
+3.3V
SGND
SGND
SGND
+5.0V
@C180
C101
@DA3
DF5A6.8FU(F)
(For ESD)
C3 C1 C2
A
C4
TP432
TP425
@R60
1k
(For ESD)
@C208
C101
@C170
C101
TP423
SGND
SGND
TP459
+5.0V
@C209
C101
@DA4
DF5A6.8FU(F)
C3 C1 C2
A
C4
@C181
C101
@R75
1.5k
SGND
TP424
TP433
@C189
C101
@C194
C103
TP411
TP378
@C200
C101
@R78
33
@R59
33
TP379
1-6B
CDCC_CLK
+5.0V
@R80
1.5k
@C214
C101
@C207
C101
@C179
C101
TP456
TP455
@C210
C101
@C188
C101
TP435
TP431
TP462
@C83
C103
@DA2
DF5A6.8FU(F)
(For ESD)
C3 C1 C2
A
C4
@C100
C101
(For ESD)
1-6B
CDCC_RST_N
@R58
33
@C212
C101
@DA1
DF5A6.8FU(F)
(For ESD)
C3
C1
C2
A
C4
1-4B
CDCC_INT_N
+5.0V
@ZD1
EDZ6.8B
(For ESD)
@R57
33
SGND
@C82
C103
SGND
TP466
+5.0V
1-4B
CDCC_REQ_N
TP383
1-4B
CDCC_DATA
@C201
C101
+5.0V
SGND
SGND
@C96
C103
SGND
+3.3V
SGND
@C204
C101
C102
C101
(For ESD)
SGND
@U14
UPD65421MC-111-5A4-A
CDCC GA
RSTN/SIN
21
CLK/SCK
25
DATA
23
STBN
17
D0
18
D1
19
D2
14
D3
12
D4
11
D5
10
D6
9
D7
8
INITN
27
AFN
2
SELINN
29
VDD3
30
GND26
26
INTN
24
REQN/SOUT
22
SMC
20
AMC
13
VDD51
1
VDD57
7
VDD516
16
GND15
15
FLTN
28
SELECT
3
PE
4
BUSY
5
ACKN
6
@R217
100
@R76 100
@R77 100
@R79
100
TP461
SGND
@C211
C101
@RA38
1.5k
2
7
1
8
3
6
4
5
@RA78
2.2k
2
7
1
8
3
6
4
5
@RA79
2.2k
2
7
1
8
3
6
4
5
1
Strobe
2
Data1
3
Data2
4
Data3
5
Data4
6
Data5
7
Data6
8
Data7
9
Data8
10
Ack
11
Busy
12
Paper Empty
13
Select
14
AutoFdXT
15
N/C
16
GND
17
GND
18
+5V(N/C)
19
GND
20
GND
21
GND
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
30
GND
31
Init
32
Fault
33
N/C
34
N/C
35
N/C
36
Select In
@CN14
CDCC
37
FG
TP473
TP445
TP389
TP405
TP419
TP420
TP406
TP474
TP475
TP453
TP446
TP441
TP469
TP468
TP476
TP467
TP464
TP486
TP471
TP478
TP477
TP470
TP472
@C213
C101
SGND
R89
0
(1608)
SGND
1
VBUS(5V)
2
DM
3
DP
4
GND
CN13
USB-FUNCTION
5
FG
UBR24-4K2G00
6
FG
BM06B-SRSS-TB(LF)(SN
6
FG
3
DATA+
2
+5V
@CN2
WLAN
1
FG
4
DATA-
5
GND
SGND
1-3F
USB_HOST2_DP
C9
C104
SGND
SGND
1-3F
USB_HOST2_DN
5
GND
4
DATA-
3
DATA+
B06B-CZHK-B-1(LF)(V)
6
FG
2
+5V
1-4F
USB_HOST2_FLG
1-5F
USB_HOST2_PPON
+5.0V_USBHOST
+3.3V
SGND
RA76
0
2
7
1
8
3
6
4
5
RA72
0
2
7
1
8
3
6
4
5
RA70
0
2
7
1
8
3
6
4
5
RA17
0
2
7
1
8
3
6
4
5
TP465
TP458
TP460
TP30
TP8
TP12
TP43
TP23
TP31
R95
10k
SGND
R90
0
(1608)
R91
0
(1608)
SGND
R204
47
R205
47
TP355
TP372
U21
S-80842CNNB
VDD
2
OUT
1
VSS
4
NC
3
SGND
R231
0
38
FG
@U1
MIC2005-0.5YM6
VIN
1
GND
2
ENABLE
3
VOUT
6
CSLEW
5
FAULT/
4
U2
MIC2005-0.5YM6
VIN
1
GND
2
ENABLE
3
VOUT
6
CSLEW
5
FAULT/
4
C224
C7P
C225
C7P
CN3
USB-HOST
1
FG
TP502
TP503
TP504
TP505
@RA35 100
8
1
72
6
3
5
4
6
3
@RA36
100
8
1
72
5
4
8
1
7
2
6
3
@RA37
33
5
4
@RA77
1.5k
8
1
7
2
6
3
5
4
NAME
CODE
CIR B512246 (4/6)
LM9444-001