188
UF-5500 / 4500
USB (Universal Serial Bus) block
Description
This is a USB block for data communication with PC.
Two signal lines (D+/D-) are differential signals which work in reverse phase.
VBUS: CN300 1pin
D-: CN300 2pin
D+: CN300 3pin
GND: CN300 4pin
Circuit Diagram
Sequence of normal operation
When USB cable from PC is connected to CN300, VBUS voltage goes up to 5V, and IC300 recognize the connection with PC.
Then D+ becomes about 3V : waveform (1)-1
The D+ becomes 0V, then communication between IC300 and PC is started : waveform (2)-1
When a few seconds elapsed after USB cable was inserted into CN300,the unit enters stand-by mode.
When PC is at Hi-Speed, waveforms are (1)-1 ~ (1)-4.
When PC is at Full Speed,waveforms are (2)-1 ~ (2)-4.
10k
R373
1
R385
AFESIFDOUT
3:5D
1M
R387
+1.2V
LEDONR
3:5E
CCDCLK
3:5E
AFESIFEN
3:5D
F6.98k
R376
L363
220
CCDSH
3:5E
AFEVSMP
3:5D
+3.3V
100
R384
K0.22u
C308
AFEMCLK
3:5D
AFESIFCLK
3:5E
NCCDON
3:4D
220
L371
XSYSRST
2F;2:2E;3:2E
AFEADC[0-3]
3:5E
+1.2V
220
L370
LEDONB
3:5E
LEDONG
3:5E
220
L369
J22p
C310
J27p
C311
X300
12MHz
R354
R34
9
R35
5
K0.1u
C312
22k
R339
+3.3V
IC300
Y23
AFESEL0
Y24
AFESEL1
Y26
DP
AA24
AFERST
AA25
RING
AB24
BTXD
AB25
BRXD
AC24
ATXD
AD26
ARXD
AE26
ABITCLK
AC25
BBITCLK
AD25
ASPCLK
AC26
BSPCLK
AB26
AFECLK
Y25
EXMDMCS
AA26
EXTINT
AF5
COL
AD6
CRS
AE6
TX_CLKI
AF6
TX_EN
AC7
TXD0
AD7
TXD1
AE7
TXD2
AF7
TXD3
AC8
TX_ER
AE8
RX_CLKI
AD8
RX_DV
AF8
RXD0
AC9
RXD1
AD9
RXD2
AE9
RXD3
AD10
RX_ER
AF9
MDIO
AE10
MDC
AF10
MGTINT
AF18
LSI_TCK
AD16
LSI_TRSTN
AF17
LSI_TMS
AE17
LSI_TDI
AC16
LSI_SCAN_ENABLE
AC19
LSI_TN
AF19
LSI_CW_TAP
AE18
LSI_PROCMON
AD17
LSI_TDO
AE19
LSI_IDDT
C2
AFEADC1
D3
AFEADC2
C1
AFEADC3
D2
AFEADC4
D1
AFEADC5
E3
AFEADC6
E2
AFEADC7
F3
AFESIFCLK
G4
AFESIFEN
G3
AFESIFDIN
H4
AFESIFDOUT
C5
OEB
A3
NCCDON
C4
LEDONR
B3
LEDONG
A2
LEDONB
AF11
USBVBUS
AE12
USBID
AE13
USBDM
AF13
USBDP
AC12
USBREXT
AF12
USBVDDA33_BIAS
AD14
USBVDDA12_SQ
AE15
USBVDDA12PLL
AF14
USBVDDA33
AE16
USBVDDA12
AD12
USBVSSA33_BIAS
AE14
USBVSSA12_SQ
AF15
USBVSSA12PLL
AD13
USBVSSA33
AD15
USBVSSA12
AC15
USBXIN
AF16
USBXOUT
AD4
NBATRST
AE5
RTCPWRDWN
A6
CCDCLK
B5
AFEVSMP
B4
AFERSMP
A4
AFEMCLK
B1
AFEADC0
A5
NCCDCP
B6
NCCDRS
C6
CCDSH
( )
NC
R3
9
4
0
R336
0
R337
33
L367
33
L368
33
L365
33
L366
L361
0
L364
CN300
1
2
3
4
7
8
5
6
L300
2
3
4
1
D306
1
IO1
2
GND
4
IO3
5
VDD
3
IO2
6
IO4
220
R386
D308
Z0.1u
C321
AFEADC[0]
AFEADC[3]
AFEADC[2]
AFEADC[1]
Summary of Contents for UF-4500
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Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
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