
1 2 3 4 5 6
A
B
C
D
654321
D
C
B
A
Title
Number RevisionSize
B
Date: 28-Apr-2003 Sheet of
File: C:\BCM94301MP_LAYOUT\..\BCM_Power supply.schDrawn By:
1 2
R38
20K 1%
1 2
R39
20K 1%
1 2
R40
20K 1%
mpci_led0
mpci_led1
mpci_led2
1 2
R25
0
12
C87
10UF
12
C89
10UF
GPIO0
P14
GPIO1
N14
GPIO2
L14
GPIO3
L13
GPIO4
L12
GPIO5
L11
GPIO6
K14
GPIO7
K13
BOOTROM_SCI
C6
BOOTROM_SDA
D7
SPROM_CS
B7
SPROM_CLK
A6
SPROM_DOUT
A7
SPROM_DIN
C7
EXT_POR_L
L6
VDDCORE
E7
VDDCORE
J5
VDDCORE
J9
VDDCORE
K8
VDDBUS
A3
VDDBUS
D3
VDDBUS
D6
VDDBUS
G5
VDDBUS
H6
VDDBUS
L4
VDDBUS
L5
VDDBUS
P2
VDDIO
E8
VDDIO
E9
VDDIO
F6
VDDIO
G6
VDDIO
G8
VDDIO
H9
VDDIO
J7
VDDIO
K9
VDDIO
K10
VDDIO
M6
VDDIO
M12
VDDIO
N10
VESD
B4
VESD
H2
VESD
K6
AVDD
C13
AVDD
D12
AVDD
E11
PLLVDD
A11
GND
F10
GND
B2
GND
E5
GND
E6
GND
E10
GND
F3
GND
F5
GND
F8
GND
F14
GND
G7
GND
G9
GND
H4
GND
H5
GND
H7
GND
H8
GND
J6
GND
J8
GND
K5
GND
K7
GND
M2
GND
M3
GND
M14
GND
P12
AGND
A14
AGND
B10
AGND
D14
PLLGND
C10
TEST_VCOI
F9
PCMCIA_SEL
F7
JTAG_TRST_L
M13
JTAG_TDO
N12
JTAG_TDI
N13
JTAG_TCK
P11
JTAG_YMS
P13
GPIO8
K12
GPIO9
K11
GPIO10
J11
GPIO11
J10
GPIO12
H10
pll_powerdown
G10
BCM4301
BGA196_1MM
U11
U11E
BCM4301
mpci_led0
mpci_led1
mpci_led2
mpciact_l
rf_dis_filt_l
tr_sw_tx_pu
tr_sw_rx_pu
CS
1
SK
2
Di
3
Do
4
Vcc3
8
NC
7
ORG
6
GND
5
FM93C46
U13
93C46W0W6T
TSSOP8
12
C85
0.1UF
mpci_led0 = WLAN activity
mpci_led1 = WLAN Radio state
mpci_led2 = generic led
BCM4307 POWER, RESET, GPIO, CLKS
REGULATORS AND POWER SUPPLY FILTERING
bcm94301mp rev 7.3
4
ON_OFF
3
BYPASS
4
2 1
Vout
5
Vin
GND
U8
LP2985
12
C56
0.01UF
12
C71
2.2UF
12
C57
10UF
12
C22
0.01UF
12
C39
0.01UF
12
C28
0.01UF
12
C54
0.01UF
12
C18
0.1UF
12
C21
1000PF
12
C40
0.1UF
12
C46
0.01UF
12
C47
1000PF
12
C48
0.1UF
12
C41
0.01UF
12
C19
0.01UF
12
C8
0.1UF
12
C6
0.01UF
12
C3
0.01UF
BCM2051 BYPASS CAPS
15 4 34 33, 35 47 49 51 53 3 16 21 25, 26 30
12
C94
0.01UF
12
C84
1000PF
12
C90
0.1UF
12
C78
1000PF
12
C91
0.1UF
12
C83
0.01UF
12
C86
0.1UF
BCM4307 VDDBUS BYPASS CAPS
A3 D3 D6 G5, H6 L4, L5 P2
12
C66
0.1UF
12
C74
0.01UF
12
C52
0.1UF
12
C73
1000PF
12
C62
0.1UF
12
C76
0.01UF
12
C53
0.1UF
BCM4307 VDDIO BYPASS CAPS
F6, G6 G8, H9 J7 K9, K10 M6 M12
12
C61
1000PF
E8, E9 N10
12
C58
10UF
12
C68
0.1UF
1 2
L9
0
12
C75
10UF
12
C67
0.01UF
12
C70
0.1UF
12
C93
0.1UF
12
C69
0.01UF
12
C55
0.01UF
12
C63
10UF
12
C49
0.1UF
12
C50
1000PF
12
C51
1000PF
12
C59
0.1UF
12
C60
2.2UF
1 2
L7
MPZ2012S221A
1 2
L8
MPZ2012S221A
BCM4307 VDDCORE BYPASS CAPS BCM4307 AVDD & PLLVDD BYPASS CAPS
E7 J5 J9, K8 C13 D12 E11
12
C82
0.1UF
12
C92
1000PF
12
C81
0.01UF
B4 H2 K6
BCM4307 VESD BYPASS CAPS
tr_sw_tx_pu
(PG 2)
tr_sw_rx_pu
(PG 2)
rf_dis_filt_l
(PG 2)
(PG 2)
vcc3_3
vcc3_3
vcc3_3
vcc3_3
vcc3_3
vcc3_3
pci3_3
pci3_3
pci3_3
pci3_3pci3_3
vcc2051
vcc1_8 vdd4307a vdd4307pll
vdd4307pll
vdd4307a
vcc1_8
mpciact_l
(PG 1)
4
EN
1
IN
2
OUT
3
ADJ
4
GND
5
GND
6
GND
7
GND
8
U10
MIC37102-1.8BM
(+2V9)
12
R8
10K ,1%
12
R17
22.6K ,1%
1.61.6
PCMCIA_SEL
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