w6694 Winbond Electronics Corp America, w6694 Datasheet - Page 6
w6694
Manufacturer Part Number
w6694
Description
Usb Bus Isdn S/t-controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W6694.pdf
(33 pages)
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4. PIN DESCRIPTION
Table 4.1 W6694 Pin Descriptions
D+
D-
UCLK1
UCLK2
SR1
SR2
SX1
SX2
XTAL1
XTAL2
GCIDCL
GCIFSC
GCIDD
GCIDU
PFCK1
PFCK2
PBCK
PTXD
PRXD
SYMBOL
PIN NO.
38
39
41
42
45
46
48
10
11
12
15
16
1
2
3
6
7
8
9
ISDN Signals and External Crystal
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
USB D+ data line.
USB D- data line.
24 MHz crystal/oscillator clock input.
24 MHz crystal clock output. Left unconnected if use
oscillator.
S/T bus receiver input (-). This is normal polarity. Reverse
polarity is also OK.
S/T bus receiver input (+).
S/T bus transmitter output(+).
S/T bus transmitter output(-).
Crystal or Oscillator clock input. The clock frequency: 7.68
MHz 100 PPM.
Crystal clock output. Left unconnected when using
oscillator.
GCI bus data clock 1.536 MHz.
GCI bus frame synchronization clock.
GCI bus data downstream. (input)
GCI bus data upstream. (output)
PCM port 1 frame synchronization signal with 8 KHz
repetition rate and 8 bit pulse width
PCM port 2 frame synchronization signal with 8 KHz
repetition rate and 8 bit pulse width
PCM bit clock of 1.536 MHz.
PCM data output.
PCM data input.
PCM Bus
USB Bus
GCI Bus
- 6 -
FUNCTION
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