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參數資料
型號: W6693A
廠商: WINBOND ELECTRONICS CORP
英文描述: USB Bus ISDN S/T Interface Controller(USB總線的ISDN S/T接口控制器)
中文描述: USB總線綜合業務數字網的S / T接口控制器(綜合業務數字網的USB總線的S / T的接口控制器)
文件頁數: 7/32頁
文件大小: 423K
代理商: W6693A
Preliminary Data Sheet
W6694 Passive USB-ISDN S/T-Controller
-7-
Publication Release Date: March., 2000
Revision 0.93
4. PIN DESCRIPTION
TABLE 4.1 W6694 PIN DESCRIPTIONS
Note : The suffix # indicates active LOW signal.
Symbol
Pin No.
I/O
Function
USB Bus
USB D+ data line.
USB D- data line.
24 MHz crystal/oscillator clock input.
24 MHz crystal clock output. Left unconnected if
use oscillator.
ISDN Signals and External Crystal
45
I
S/T bus receiver input (-). This is normal polarity.
Reverse polarity is also OK.
46
I
S/T bus receiver input (+).
48
O
S/T bus transmitter output(+).
1
O
S/T bus transmitter output(-).
2
I
Crystal or Oscillator clock input. The clock
frequency: 7.68MHz
±
100PPM.
3
O
Crystal clock output. Left unconnected when using
oscillator.
GCI Bus
6
I
GCI bus data clock 1.536 MHz.
7
I
GCI bus frame synchronization clock.
8
I
GCI bus data downstream. (input)
9
O
GCI bus data upstream. (output)
PCM Bus
10
O
PCM port 1 frame synchronization signal with 8
KHz repetition rate and 8 bit pulse width
11
O
PCM port 2 frame synchronization signal with 8
KHz repetition rate and 8 bit pulse width
12
O
PCM bit clock of 1.536 MHz.
15
O
PCM data output.
16
I
PCM data input.
External Serial EEPROM Interface
17
O
Serial EEPROM chip select.
18
O
Serial EEPROM data clock.
19
I
Serial EEPROM data input
20
O
Serial EEPROM data output
Power and Ground
47,44
I
ISDN S/T analog power (5V), Ground
5,4
I
Digital power (5V), Ground
D+
D-
UCLK1
UCLK2
38
39
41
42
I/O
I/O
I
O
SR1
SR2
SX1
SX2
XTAL1
XTAL2
GCIDCL
GCIFSC
GCIDD
GCIDU
PFCK1
PFCK2
PBCK
PTXD
PRXD
EPCS
EPSK
EPDI
EPDO
VDD1,VSS1
VDD21,VSS21
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